Solutions
This commit is contained in:
Markus Schmidt
parent
79b9099274
commit
d3aa42a3e0
64 changed files with 2726 additions and 0 deletions
5
sheet1/A/.vscode/settings.json
vendored
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5
sheet1/A/.vscode/settings.json
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{
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"files.associations": {
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"vector": "cpp"
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}
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}
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30
sheet1/A/Makefile
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30
sheet1/A/Makefile
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#
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# use GNU-Compiler tools
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COMPILER=GCC_
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# alternatively from the shell
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# export COMPILER=GCC_
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# or, alternatively from the shell
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# make COMPILER=GCC_
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# use Intel compilers
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#COMPILER=ICC_
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# use PGI compilers
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# COMPILER=PGI_
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SOURCES = main.cpp means.cpp
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OBJECTS = $(SOURCES:.cpp=.o)
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PROGRAM = main.${COMPILER}
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# uncomment the next to lines for debugging and detailed performance analysis
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CXXFLAGS += -g
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LINKFLAGS += -g
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# do not use -pg with PGI compilers
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ifndef COMPILER
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COMPILER=GCC_
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endif
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include ../${COMPILER}default.mk
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0
sheet1/A/Makefile:Zone.Identifier
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0
sheet1/A/Makefile:Zone.Identifier
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BIN
sheet1/A/main.GCC_
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BIN
sheet1/A/main.GCC_
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Binary file not shown.
42
sheet1/A/main.cpp
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42
sheet1/A/main.cpp
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#include <iostream>
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#include <cmath>
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#include <vector>
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#include "means.h"
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using namespace std;
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int main() {
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int a = 1, b = 4, c = 16;
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double ar, ge, ha;
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// c)
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means(a, b, c, ar, ge, ha);
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cout << "Arithmetic mean: " << ar
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<< ", geometric mean: " << ge
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<< ", harmonic mean: " << ha << endl;
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// d)
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a = 2; b = 3; c = 5;
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means(a, b, c, ar, ge, ha);
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cout << "Arithmetic mean: " << ar
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<< ", geometric mean: " << ge
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<< ", harmonic mean: " << ha << endl;
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// e)
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a = 1000; b = 4000; c = 16000;
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means(a, b, c, ar, ge, ha);
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cout << "Arithmetic mean: " << ar
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<< ", geometric mean: " << ge
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<< ", harmonic mean: " << ha << endl;
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// f)
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vector<int> input = {1, 2, 3, 4, 5, 6};
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means_vector(input, ar, ge, ha);
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cout << "Arithmetic mean: " << ar
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<< ", geometric mean: " << ge
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<< ", harmonic mean: " << ha << endl;
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return 0;
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}
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BIN
sheet1/A/main.o
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BIN
sheet1/A/main.o
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36
sheet1/A/means.cpp
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36
sheet1/A/means.cpp
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#include <iostream>
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#include <cmath>
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#include <vector>
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using namespace std;
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void means(int a, int b, int c, double &ar, double &ge, double &ha) {
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ar = (a+b+c) / 3.0;
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ge = pow(a,1.0/3.0) * pow(b,1.0/3.0) * pow(c,1.0/3.0); //do it instead of pow(a*b*c,1.0/3.0) to prevent integer overflow
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ha = 3.0 / (1.0/a +1.0/b +1.0/c);
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}
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void means_vector(const vector<int> &input, double &ar, double &ge, double &ha) {
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int size = input.size();
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if (size == 0) {
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cout << "Empty input" << endl;
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return;
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}
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ar = 0;
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ge = 1;
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ha = 0;
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for (int i = 0; i < size; i++) {
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ar += input.at(i);
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ge *= pow(input.at(i), 1.0 / size);
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ha += 1.0 / input.at(i);
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}
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ar /= size;
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ha = size / ha;
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}
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9
sheet1/A/means.h
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9
sheet1/A/means.h
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#ifndef MEANS_H_INCLUDED
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#define MEANS_H_INCLUDED
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#include <vector>
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void means(int a, int b, int c, double &ar, double &ge, double &ha);
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void means_vector(const std::vector<int> &input, double &ar, double &ge, double &ha);
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#endif // MEANS_H_INCLUDED
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BIN
sheet1/A/means.o
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BIN
sheet1/A/means.o
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Binary file not shown.
7
sheet1/B/.vscode/settings.json
vendored
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7
sheet1/B/.vscode/settings.json
vendored
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{
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"files.associations": {
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"iostream": "cpp",
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"ostream": "cpp",
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"random": "cpp"
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}
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}
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39
sheet1/B/Makefile
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39
sheet1/B/Makefile
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@ -0,0 +1,39 @@
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#
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# use GNU-Compiler tools
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COMPILER=GCC_
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# alternatively from the shell
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# export COMPILER=GCC_
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# or, alternatively from the shell
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# make COMPILER=GCC_
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# use Intel compilers
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#COMPILER=ICC_
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# use PGI compilers
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# COMPILER=PGI_
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# use CLANG compilers
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# COMPILER=CLANG_
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SOURCES = main.cpp file_io.cpp means.cpp
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OBJECTS = $(SOURCES:.cpp=.o)
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PROGRAM = main.${COMPILER}
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# uncomment the next to lines for debugging and detailed performance analysis
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CXXFLAGS += -g
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LINKFLAGS += -g
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# do not use -pg with PGI compilers
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ifndef COMPILER
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COMPILER=GCC_
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endif
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include ../${COMPILER}default.mk
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task:
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@pdflatex task
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@pdflatex task
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500
sheet1/B/data_1.txt
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sheet1/B/data_1.txt
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141
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261
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87
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430
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258
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298
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425
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120
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496
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707
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244
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786
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75
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394
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4
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221
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2
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190
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143
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269
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175
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139
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599
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902
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940
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222
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483
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377
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524
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265
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69
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437
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174
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27
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955
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431
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962
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763
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8
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681
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706
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646
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553
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219
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773
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229
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371
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891
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857
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403
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319
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609
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911
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910
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592
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333
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854
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34
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533
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717
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180
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337
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155
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936
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819
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729
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176
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361
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189
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2
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317
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700
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440
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288
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502
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762
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124
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432
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695
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257
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10
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533
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947
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907
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393
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25
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672
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838
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972
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57
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451
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583
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687
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720
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651
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374
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117
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58
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980
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285
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186
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11
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62
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859
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912
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700
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726
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230
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577
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404
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989
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90
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321
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512
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61
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726
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557
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530
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830
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859
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790
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318
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453
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753
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110
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110
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270
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525
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973
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711
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312
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292
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851
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912
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640
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256
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89
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909
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33
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54
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806
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452
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790
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365
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533
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712
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872
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329
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588
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414
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310
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264
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187
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782
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993
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803
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425
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729
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499
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809
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357
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74
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591
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911
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194
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433
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750
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40
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947
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764
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559
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184
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498
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518
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995
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855
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963
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679
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404
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935
|
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480
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232
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397
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706
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559
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757
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996
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963
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536
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964
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116
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52
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305
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581
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531
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902
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541
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543
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713
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17
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801
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327
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881
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472
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404
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180
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969
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408
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845
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616
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377
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878
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785
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465
|
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814
|
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899
|
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430
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335
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597
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902
|
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703
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378
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735
|
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955
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543
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541
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312
|
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72
|
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182
|
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93
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464
|
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10
|
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916
|
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643
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2
|
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31
|
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209
|
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455
|
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128
|
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9
|
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728
|
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355
|
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781
|
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437
|
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437
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50
|
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50
|
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92
|
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595
|
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242
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842
|
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858
|
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964
|
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489
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221
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227
|
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537
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763
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348
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462
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640
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918
|
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162
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716
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578
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434
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885
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394
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179
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634
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625
|
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328
|
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803
|
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1000
|
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981
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128
|
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233
|
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24
|
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608
|
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111
|
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408
|
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885
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549
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370
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209
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125
|
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471
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857
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44
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692
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979
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284
|
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134
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686
|
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910
|
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611
|
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900
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755
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820
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806
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68
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951
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498
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756
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743
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832
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458
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619
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933
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836
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35
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992
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52
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602
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989
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930
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1
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|
||||
26
|
||||
415
|
||||
732
|
||||
782
|
||||
368
|
||||
60
sheet1/B/file_io.cbp
Normal file
60
sheet1/B/file_io.cbp
Normal file
|
|
@ -0,0 +1,60 @@
|
|||
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
|
||||
<CodeBlocks_project_file>
|
||||
<FileVersion major="1" minor="6" />
|
||||
<Project>
|
||||
<Option title="file_io" />
|
||||
<Option pch_mode="2" />
|
||||
<Option compiler="gcc" />
|
||||
<Build>
|
||||
<Target title="Debug">
|
||||
<Option output="bin/Debug/file_io" prefix_auto="1" extension_auto="1" />
|
||||
<Option object_output="obj/Debug/" />
|
||||
<Option type="1" />
|
||||
<Option compiler="gcc" />
|
||||
<Compiler>
|
||||
<Add option="-g" />
|
||||
</Compiler>
|
||||
</Target>
|
||||
<Target title="Release">
|
||||
<Option output="bin/Release/file_io" prefix_auto="1" extension_auto="1" />
|
||||
<Option object_output="obj/Release/" />
|
||||
<Option type="1" />
|
||||
<Option compiler="gcc" />
|
||||
<Compiler>
|
||||
<Add option="-O2" />
|
||||
</Compiler>
|
||||
<Linker>
|
||||
<Add option="-s" />
|
||||
</Linker>
|
||||
</Target>
|
||||
</Build>
|
||||
<Compiler>
|
||||
<Add option="-Wshadow" />
|
||||
<Add option="-Winit-self" />
|
||||
<Add option="-Wunreachable-code" />
|
||||
<Add option="-pedantic" />
|
||||
<Add option="-std=c++11" />
|
||||
<Add option="-Wextra" />
|
||||
<Add option="-Wall" />
|
||||
<Add option="-fexceptions" />
|
||||
</Compiler>
|
||||
<Unit filename="file_io.cpp" />
|
||||
<Unit filename="file_io.h" />
|
||||
<Unit filename="main.cpp" />
|
||||
<Extensions>
|
||||
<envvars />
|
||||
<code_completion />
|
||||
<lib_finder disable_auto="1" />
|
||||
<debugger />
|
||||
<DoxyBlocks>
|
||||
<comment_style block="0" line="0" />
|
||||
<doxyfile_project />
|
||||
<doxyfile_build extract_all="1" />
|
||||
<doxyfile_warnings />
|
||||
<doxyfile_output />
|
||||
<doxyfile_dot />
|
||||
<general use_at_in_tags="1" />
|
||||
</DoxyBlocks>
|
||||
</Extensions>
|
||||
</Project>
|
||||
</CodeBlocks_project_file>
|
||||
65
sheet1/B/file_io.cpp
Normal file
65
sheet1/B/file_io.cpp
Normal file
|
|
@ -0,0 +1,65 @@
|
|||
#include "file_io.h"
|
||||
#include <cassert>
|
||||
#include <fstream>
|
||||
#include <iostream>
|
||||
#include <stdexcept>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
using namespace std;
|
||||
|
||||
// [Str10, p.364]
|
||||
void fill_vector(istream& istr, vector<short>& v)
|
||||
{
|
||||
double d=0;
|
||||
while ( istr >> d) v.push_back(d); // Einlesen
|
||||
if (!istr.eof())
|
||||
{ // Fehlerbehandlung
|
||||
cout << " Error handling \n";
|
||||
if ( istr.bad() ) throw runtime_error("Schwerer Fehler in istr");
|
||||
if ( istr.fail() ) // Versuch des Aufraeumens
|
||||
{
|
||||
cout << " Failed in reading all data.\n";
|
||||
istr.clear();
|
||||
}
|
||||
}
|
||||
v.shrink_to_fit(); // C++11
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
void read_vector_from_file(const string& file_name, vector<short>& v)
|
||||
{
|
||||
ifstream fin(file_name); // Oeffne das File im ASCII-Modus
|
||||
if( fin.is_open() ) // File gefunden:
|
||||
{
|
||||
v.clear(); // Vektor leeren
|
||||
fill_vector(fin, v);
|
||||
}
|
||||
else // File nicht gefunden:
|
||||
{
|
||||
cout << "\nFile " << file_name << " has not been found.\n\n" ;
|
||||
assert( fin.is_open() && "File not found." ); // exeption handling for the poor programmer
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
void write_vector_to_file(const string& file_name, const vector<double>& v)
|
||||
{
|
||||
ofstream fout(file_name); // Oeffne das File im ASCII-Modus
|
||||
if( fout.is_open() )
|
||||
{
|
||||
for (unsigned int k=0; k<v.size(); ++k)
|
||||
{
|
||||
fout << v.at(k) << endl;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
cout << "\nFile " << file_name << " has not been opened.\n\n" ;
|
||||
assert( fout.is_open() && "File not opened." ); // exeption handling for the poor programmer
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
40
sheet1/B/file_io.h
Normal file
40
sheet1/B/file_io.h
Normal file
|
|
@ -0,0 +1,40 @@
|
|||
#ifndef FILE_IO_H_INCLUDED
|
||||
#define FILE_IO_H_INCLUDED
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
//using namespace std;
|
||||
|
||||
|
||||
/**
|
||||
This function opens the ASCII-file named @p file_name and reads the
|
||||
double data into the C++ vector @p v.
|
||||
If the file @p file_name does not exist then the code stops with an appropriate message.
|
||||
@param[in] file_name name of the ASCII-file
|
||||
@param[out] v C++ vector with double values
|
||||
*/
|
||||
|
||||
void read_vector_from_file(const std::string& file_name, std::vector<short>& v);
|
||||
|
||||
|
||||
/**
|
||||
This function opens the ASCII-file named @p file_name and rewrites its with the
|
||||
double data from the C++ vector @p v.
|
||||
If there are problems in opening/generating file @p file_name
|
||||
then the code stops with an appropriate message.
|
||||
@param[in] file_name name of the ASCII-file
|
||||
@param[in] v C++ vector with double values
|
||||
*/
|
||||
|
||||
void write_vector_to_file(const std::string& file_name, const std::vector<double>& v);
|
||||
|
||||
/**
|
||||
Fills the double-vector @p v with data from an input stream @p istr until this input stream
|
||||
ends regularily. The vector is cleared and its memory is automatically allocated.
|
||||
@param[in] istr input stream
|
||||
@param[out] v C++ vector with double values
|
||||
@warning An exception is thrown in case of wrong data format or corrupted data.
|
||||
*/
|
||||
void fill_vector(std::istream& istr, std::vector<double>& v);
|
||||
|
||||
#endif // FILE_IO_H_INCLUDED
|
||||
BIN
sheet1/B/file_io.o
Normal file
BIN
sheet1/B/file_io.o
Normal file
Binary file not shown.
BIN
sheet1/B/main.GCC_
Executable file
BIN
sheet1/B/main.GCC_
Executable file
Binary file not shown.
48
sheet1/B/main.cpp
Normal file
48
sheet1/B/main.cpp
Normal file
|
|
@ -0,0 +1,48 @@
|
|||
#include "file_io.h"
|
||||
#include "means.h"
|
||||
#include <iostream>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <algorithm>
|
||||
#include <cmath>
|
||||
using namespace std;
|
||||
|
||||
int main()
|
||||
{
|
||||
cout << "File einlesen." << endl;
|
||||
|
||||
const string name("data_1.txt"); // name of input file
|
||||
const string name2("out_1.txt"); // name of output file
|
||||
vector<short> a; //-2^15 to 2^15-1 fits the values from the file
|
||||
double min, max, ar, ge, ha, std;
|
||||
|
||||
|
||||
read_vector_from_file(name, a);
|
||||
const unsigned size = a.size();
|
||||
|
||||
min = *min_element(a.begin(), a.end());
|
||||
max = *max_element(a.begin(), a.end());
|
||||
|
||||
|
||||
|
||||
means_vector(a, ar, ge, ha);
|
||||
|
||||
std = 0;
|
||||
for(unsigned int i = 0; i < size; i++)
|
||||
{
|
||||
std += pow(a.at(i)-ar,2);
|
||||
}
|
||||
std = sqrt(std/size);
|
||||
|
||||
cout << "min: " << min << ", max: " << max << endl;
|
||||
cout << "Arithmetic mean: " << ar
|
||||
<< ", geometric mean: " << ge
|
||||
<< ", harmonic mean: " << ha << endl;
|
||||
cout << "std: " << std << endl;
|
||||
|
||||
vector<double> results = {min, max, ar, ge, ha, std};
|
||||
write_vector_to_file(name2, results);
|
||||
|
||||
|
||||
return 0;
|
||||
}
|
||||
BIN
sheet1/B/main.o
Normal file
BIN
sheet1/B/main.o
Normal file
Binary file not shown.
36
sheet1/B/means.cpp
Normal file
36
sheet1/B/means.cpp
Normal file
|
|
@ -0,0 +1,36 @@
|
|||
#include <iostream>
|
||||
#include <cmath>
|
||||
#include <vector>
|
||||
|
||||
using namespace std;
|
||||
|
||||
void means(int a, int b, int c, double &ar, double &ge, double &ha) {
|
||||
ar = (a+b+c) / 3.0;
|
||||
|
||||
|
||||
ge = pow(a,1.0/3.0) * pow(b,1.0/3.0) * pow(c,1.0/3.0); //do it instead of pow(a*b*c,1.0/3.0) to prevent integer overflow
|
||||
|
||||
ha = 3.0 / (1.0/a +1.0/b +1.0/c);
|
||||
}
|
||||
|
||||
void means_vector(const vector<short> &input, double &ar, double &ge, double &ha) {
|
||||
int size = input.size();
|
||||
|
||||
if (size == 0) {
|
||||
cout << "Empty input" << endl;
|
||||
return;
|
||||
}
|
||||
|
||||
ar = 0;
|
||||
ge = 1;
|
||||
ha = 0;
|
||||
|
||||
for (int i = 0; i < size; i++) {
|
||||
ar += input.at(i);
|
||||
ge *= pow(input.at(i), 1.0 / size);
|
||||
ha += 1.0 / input.at(i);
|
||||
}
|
||||
|
||||
ar /= size;
|
||||
ha = size / ha;
|
||||
}
|
||||
9
sheet1/B/means.h
Normal file
9
sheet1/B/means.h
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
#ifndef MEANS_H_INCLUDED
|
||||
#define MEANS_H_INCLUDED
|
||||
|
||||
#include <vector>
|
||||
|
||||
void means(int a, int b, int c, double &ar, double &ge, double &ha);
|
||||
void means_vector(const std::vector<short> &input, double &ar, double &ge, double &ha);
|
||||
|
||||
#endif // MEANS_H_INCLUDED
|
||||
BIN
sheet1/B/means.o
Normal file
BIN
sheet1/B/means.o
Normal file
Binary file not shown.
6
sheet1/B/out_1.txt
Normal file
6
sheet1/B/out_1.txt
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
1
|
||||
1000
|
||||
498.184
|
||||
364.412
|
||||
95.6857
|
||||
287.905
|
||||
6
sheet1/C/.vscode/settings.json
vendored
Normal file
6
sheet1/C/.vscode/settings.json
vendored
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
{
|
||||
"files.associations": {
|
||||
"iostream": "cpp",
|
||||
"ostream": "cpp"
|
||||
}
|
||||
}
|
||||
30
sheet1/C/Makefile
Normal file
30
sheet1/C/Makefile
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
#
|
||||
# use GNU-Compiler tools
|
||||
COMPILER=GCC_
|
||||
# alternatively from the shell
|
||||
# export COMPILER=GCC_
|
||||
# or, alternatively from the shell
|
||||
# make COMPILER=GCC_
|
||||
|
||||
# use Intel compilers
|
||||
#COMPILER=ICC_
|
||||
|
||||
# use PGI compilers
|
||||
# COMPILER=PGI_
|
||||
|
||||
|
||||
SOURCES = main.cpp
|
||||
OBJECTS = $(SOURCES:.cpp=.o)
|
||||
|
||||
PROGRAM = main.${COMPILER}
|
||||
|
||||
# uncomment the next to lines for debugging and detailed performance analysis
|
||||
CXXFLAGS += -g
|
||||
LINKFLAGS += -g
|
||||
# do not use -pg with PGI compilers
|
||||
|
||||
ifndef COMPILER
|
||||
COMPILER=GCC_
|
||||
endif
|
||||
|
||||
include ../${COMPILER}default.mk
|
||||
0
sheet1/C/Makefile:Zone.Identifier
Normal file
0
sheet1/C/Makefile:Zone.Identifier
Normal file
BIN
sheet1/C/main.GCC_
Executable file
BIN
sheet1/C/main.GCC_
Executable file
Binary file not shown.
70
sheet1/C/main.cpp
Normal file
70
sheet1/C/main.cpp
Normal file
|
|
@ -0,0 +1,70 @@
|
|||
#include <iostream>
|
||||
#include "timing.h"
|
||||
|
||||
using namespace std;
|
||||
|
||||
|
||||
unsigned long multiplesOf3Or5(unsigned int n)
|
||||
{
|
||||
unsigned long sum = 0;
|
||||
for(unsigned int i=1; i<=n; i++)
|
||||
{
|
||||
if(i % 3 == 0 || i % 5 == 0)
|
||||
{
|
||||
sum += i;
|
||||
}
|
||||
}
|
||||
return sum;
|
||||
}
|
||||
|
||||
unsigned long gauss_sum(unsigned long n)
|
||||
{
|
||||
return n*(n+1)/2;
|
||||
}
|
||||
|
||||
unsigned long multiplesOf3Or5_noLoop(unsigned int n)
|
||||
{
|
||||
/*for n there are floor(n/3) multiples of 3 and floor(n/5) multiples of 5. Calculate them using Gauss summation and subtract the
|
||||
multiples of 15 (counted twice)*/
|
||||
unsigned long multiples3 = gauss_sum(n/3)*3;
|
||||
unsigned long multiples5 = gauss_sum(n/5)*5;
|
||||
unsigned long multiples15 = gauss_sum(n/15)*15;
|
||||
|
||||
return multiples3 + multiples5 - multiples15;
|
||||
|
||||
}
|
||||
|
||||
|
||||
int main() {
|
||||
|
||||
unsigned long mA,mB,mC,mD,mE,mF;
|
||||
|
||||
tic();
|
||||
for(unsigned int i = 0; i< 10000; i++)
|
||||
{
|
||||
mA = multiplesOf3Or5(15);
|
||||
mB = multiplesOf3Or5(1001);
|
||||
mC = multiplesOf3Or5(1432987);
|
||||
}
|
||||
double timeA = toc();
|
||||
|
||||
tic();
|
||||
for(unsigned int i = 0; i< 10000; i++)
|
||||
{
|
||||
mD = multiplesOf3Or5_noLoop(15);
|
||||
mE = multiplesOf3Or5_noLoop(1001);
|
||||
mF = multiplesOf3Or5_noLoop(1432987);
|
||||
}
|
||||
double timeB = toc();
|
||||
|
||||
cout << "n = 15, result = " << mA << endl;
|
||||
cout << "n = 1001, result = " << mB << endl;
|
||||
cout << "n = 1432987, result = " << mC << endl;
|
||||
cout << "time: " << timeA << endl;
|
||||
cout << "--------------------------------------------------------------" <<endl;
|
||||
cout << "n = 15, result = " << mD << endl;
|
||||
cout << "n = 1001, result = " << mE << endl;
|
||||
cout << "n = 1432987, result = " << mF << endl;
|
||||
cout << "time: " << timeB << endl;
|
||||
return 0;
|
||||
}
|
||||
BIN
sheet1/C/main.o
Normal file
BIN
sheet1/C/main.o
Normal file
Binary file not shown.
51
sheet1/C/timing.h
Normal file
51
sheet1/C/timing.h
Normal file
|
|
@ -0,0 +1,51 @@
|
|||
//
|
||||
// Gundolf Haase, Oct 18 2024
|
||||
//
|
||||
#pragma once
|
||||
#include <chrono> // timing
|
||||
#include <stack>
|
||||
|
||||
//using Clock = std::chrono::system_clock; //!< The wall clock timer chosen
|
||||
using Clock = std::chrono::high_resolution_clock;
|
||||
using TPoint= std::chrono::time_point<Clock>;
|
||||
|
||||
// [Galowicz, C++17 STL Cookbook, p. 29]
|
||||
|
||||
std::stack<TPoint> MyStopWatch; //!< starting time of stopwatch
|
||||
|
||||
/** Starts stopwatch timer.
|
||||
* Use as @code tic(); myfunction(...) ; double tsec = toc(); @endcode
|
||||
*
|
||||
* The timining can be nested and the recent time point is stored on top of the stack.
|
||||
*
|
||||
* @return recent time point
|
||||
* @see toc
|
||||
*/
|
||||
auto tic()
|
||||
{
|
||||
MyStopWatch.push(Clock::now());
|
||||
return MyStopWatch.top();
|
||||
}
|
||||
|
||||
/** Returns the elapsed time from stopwatch.
|
||||
*
|
||||
* The time point from top of the stack is used
|
||||
* if time point @p t_b is not passed as input parameter.
|
||||
* Use as @code tic(); myfunction(...) ; double tsec = toc(); @endcode
|
||||
* or as @code auto t_b = tic(); myfunction(...) ; double tsec = toc(t_b); @endcode
|
||||
* The last option is to be used in the case of
|
||||
* non-nested but overlapping time measurements.
|
||||
*
|
||||
* @param[in] t_b start time of some stop watch
|
||||
* @return elapsed time in seconds.
|
||||
*
|
||||
*/
|
||||
double toc(TPoint const &t_b = MyStopWatch.top())
|
||||
{
|
||||
// https://en.cppreference.com/w/cpp/chrono/treat_as_floating_point
|
||||
using Unit = std::chrono::seconds;
|
||||
using FpSeconds = std::chrono::duration<double, Unit::period>;
|
||||
auto t_e = Clock::now();
|
||||
MyStopWatch.pop();
|
||||
return FpSeconds(t_e-t_b).count();
|
||||
}
|
||||
0
sheet1/C/timing.h:Zone.Identifier
Normal file
0
sheet1/C/timing.h:Zone.Identifier
Normal file
123
sheet1/CLANG_default.mk
Normal file
123
sheet1/CLANG_default.mk
Normal file
|
|
@ -0,0 +1,123 @@
|
|||
# Basic Defintions for using GNU-compiler suite sequentially
|
||||
# requires setting of COMPILER=CLANG_
|
||||
|
||||
#CLANGPATH=//usr/lib/llvm-10/bin/
|
||||
CC = ${CLANGPATH}clang
|
||||
CXX = ${CLANGPATH}clang++
|
||||
#CXX = ${CLANGPATH}clang++ -lomptarget -fopenmp-targets=nvptx64-nvidia-cuda --cuda-path=/opt/pgi/linux86-64/2017/cuda/8.0
|
||||
#F77 = gfortran
|
||||
LINKER = ${CXX}
|
||||
|
||||
#http://clang.llvm.org/docs/UsersManual.html#options-to-control-error-and-warning-messages
|
||||
WARNINGS += -Weverything -Wno-c++98-compat -Wno-sign-conversion -Wno-date-time -Wno-shorten-64-to-32 -Wno-padded -ferror-limit=1
|
||||
WARNINGS += -Wdocumentation -Wconversion -Wshadow -Wfloat-conversion -pedantic
|
||||
#-fsyntax-only -Wdocumentation -Wconversion -Wshadow -Wfloat-conversion -pedantic
|
||||
|
||||
CXXFLAGS += -O3 -std=c++17 -ferror-limit=1 ${WARNINGS}
|
||||
# don't use -Ofast
|
||||
# -ftrapv
|
||||
LINKFLAGS += -O3
|
||||
|
||||
# different libraries in Ubuntu or manajaró
|
||||
ifndef UBUNTU
|
||||
UBUNTU=1
|
||||
endif
|
||||
|
||||
# BLAS, LAPACK
|
||||
LINKFLAGS += -llapack -lblas
|
||||
# -lopenblas
|
||||
ifeq ($(UBUNTU),1)
|
||||
# ubuntu
|
||||
else
|
||||
# on archlinux
|
||||
LINKFLAGS += -lcblas
|
||||
endif
|
||||
|
||||
# interprocedural optimization
|
||||
CXXFLAGS += -flto
|
||||
LINKFLAGS += -flto
|
||||
|
||||
# very good check
|
||||
# http://clang.llvm.org/extra/clang-tidy/
|
||||
# good check, see: http://llvm.org/docs/CodingStandards.html#include-style
|
||||
SWITCH_OFF=,-readability-magic-numbers,-readability-redundant-control-flow,-readability-redundant-member-init
|
||||
SWITCH_OFF+=,-readability-redundant-member-init,-readability-isolate-declaration
|
||||
#READABILITY=,readability*${SWITCH_OFF}
|
||||
#TIDYFLAGS = -checks=llvm-*,-llvm-header-guard -header-filter=.* -enable-check-profile -extra-arg="-std=c++17" -extra-arg="-fopenmp"
|
||||
TIDYFLAGS = -checks=llvm-*,-llvm-header-guard${READABILITY} -header-filter=.* -enable-check-profile -extra-arg="-std=c++17" -extra-arg="-fopenmp"
|
||||
#TIDYFLAGS += -checks='modernize*
|
||||
# ???
|
||||
#TIDYFLAGS = -checks='cert*' -header-filter=.*
|
||||
# MPI checks ??
|
||||
#TIDYFLAGS = -checks='mpi*'
|
||||
# ??
|
||||
#TIDYFLAGS = -checks='performance*' -header-filter=.*
|
||||
#TIDYFLAGS = -checks='portability-*' -header-filter=.*
|
||||
#TIDYFLAGS = -checks='readability-*' -header-filter=.*
|
||||
|
||||
default: ${PROGRAM}
|
||||
|
||||
${PROGRAM}: ${OBJECTS}
|
||||
$(LINKER) $^ ${LINKFLAGS} -o $@
|
||||
|
||||
clean:
|
||||
@rm -f ${PROGRAM} ${OBJECTS}
|
||||
|
||||
clean_all:: clean
|
||||
@rm -f *_ *~ *.bak *.log *.out *.tar
|
||||
|
||||
codecheck: tidy_check
|
||||
tidy_check:
|
||||
clang-tidy ${SOURCES} ${TIDYFLAGS} -- ${SOURCES}
|
||||
# see also http://clang-developers.42468.n3.nabble.com/Error-while-trying-to-load-a-compilation-database-td4049722.html
|
||||
|
||||
run: clean ${PROGRAM}
|
||||
# time ./${PROGRAM} ${PARAMS}
|
||||
./${PROGRAM} ${PARAMS}
|
||||
|
||||
# tar the current directory
|
||||
MY_DIR = `basename ${PWD}`
|
||||
tar: clean_all
|
||||
@echo "Tar the directory: " ${MY_DIR}
|
||||
@cd .. ;\
|
||||
tar cf ${MY_DIR}.tar ${MY_DIR} *default.mk ;\
|
||||
cd ${MY_DIR}
|
||||
# tar cf `basename ${PWD}`.tar *
|
||||
|
||||
doc:
|
||||
doxygen Doxyfile
|
||||
|
||||
#########################################################################
|
||||
|
||||
.cpp.o:
|
||||
$(CXX) -c $(CXXFLAGS) -o $@ $<
|
||||
|
||||
.c.o:
|
||||
$(CC) -c $(CFLAGS) -o $@ $<
|
||||
|
||||
.f.o:
|
||||
$(F77) -c $(FFLAGS) -o $@ $<
|
||||
|
||||
##################################################################################################
|
||||
# some tools
|
||||
# Cache behaviour (CXXFLAGS += -g tracks down to source lines; no -pg in linkflags)
|
||||
cache: ${PROGRAM}
|
||||
valgrind --tool=callgrind --simulate-cache=yes ./$^ ${PARAMS}
|
||||
# kcachegrind callgrind.out.<pid> &
|
||||
kcachegrind `ls -1tr callgrind.out.* |tail -1`
|
||||
|
||||
# Check for wrong memory accesses, memory leaks, ...
|
||||
# use smaller data sets
|
||||
mem: ${PROGRAM}
|
||||
valgrind -v --leak-check=yes --tool=memcheck --undef-value-errors=yes --track-origins=yes --log-file=$^.addr.out --show-reachable=yes ./$^ ${PARAMS}
|
||||
|
||||
# Simple run time profiling of your code
|
||||
# CXXFLAGS += -g -pg
|
||||
# LINKFLAGS += -pg
|
||||
prof: ${PROGRAM}
|
||||
perf record ./$^ ${PARAMS}
|
||||
perf report
|
||||
# gprof -b ./$^ > gp.out
|
||||
# kprof -f gp.out -p gprof &
|
||||
|
||||
codecheck: tidy_check
|
||||
58
sheet1/E/.vscode/settings.json
vendored
Normal file
58
sheet1/E/.vscode/settings.json
vendored
Normal file
|
|
@ -0,0 +1,58 @@
|
|||
{
|
||||
"files.associations": {
|
||||
"array": "cpp",
|
||||
"atomic": "cpp",
|
||||
"bit": "cpp",
|
||||
"cctype": "cpp",
|
||||
"charconv": "cpp",
|
||||
"chrono": "cpp",
|
||||
"clocale": "cpp",
|
||||
"cmath": "cpp",
|
||||
"compare": "cpp",
|
||||
"concepts": "cpp",
|
||||
"cstdarg": "cpp",
|
||||
"cstddef": "cpp",
|
||||
"cstdint": "cpp",
|
||||
"cstdio": "cpp",
|
||||
"cstdlib": "cpp",
|
||||
"ctime": "cpp",
|
||||
"cwchar": "cpp",
|
||||
"cwctype": "cpp",
|
||||
"deque": "cpp",
|
||||
"list": "cpp",
|
||||
"string": "cpp",
|
||||
"unordered_map": "cpp",
|
||||
"vector": "cpp",
|
||||
"exception": "cpp",
|
||||
"algorithm": "cpp",
|
||||
"functional": "cpp",
|
||||
"iterator": "cpp",
|
||||
"memory": "cpp",
|
||||
"memory_resource": "cpp",
|
||||
"numeric": "cpp",
|
||||
"optional": "cpp",
|
||||
"random": "cpp",
|
||||
"ratio": "cpp",
|
||||
"string_view": "cpp",
|
||||
"system_error": "cpp",
|
||||
"tuple": "cpp",
|
||||
"type_traits": "cpp",
|
||||
"utility": "cpp",
|
||||
"format": "cpp",
|
||||
"initializer_list": "cpp",
|
||||
"iomanip": "cpp",
|
||||
"iosfwd": "cpp",
|
||||
"iostream": "cpp",
|
||||
"istream": "cpp",
|
||||
"limits": "cpp",
|
||||
"new": "cpp",
|
||||
"numbers": "cpp",
|
||||
"ostream": "cpp",
|
||||
"span": "cpp",
|
||||
"sstream": "cpp",
|
||||
"stdexcept": "cpp",
|
||||
"streambuf": "cpp",
|
||||
"typeinfo": "cpp",
|
||||
"variant": "cpp"
|
||||
}
|
||||
}
|
||||
30
sheet1/E/Makefile
Normal file
30
sheet1/E/Makefile
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
#
|
||||
# use GNU-Compiler tools
|
||||
COMPILER=GCC_
|
||||
# alternatively from the shell
|
||||
# export COMPILER=GCC_
|
||||
# or, alternatively from the shell
|
||||
# make COMPILER=GCC_
|
||||
|
||||
# use Intel compilers
|
||||
#COMPILER=ICC_
|
||||
|
||||
# use PGI compilers
|
||||
# COMPILER=PGI_
|
||||
|
||||
|
||||
SOURCES = main.cpp
|
||||
OBJECTS = $(SOURCES:.cpp=.o)
|
||||
|
||||
PROGRAM = main.${COMPILER}
|
||||
|
||||
# uncomment the next to lines for debugging and detailed performance analysis
|
||||
CXXFLAGS += -g
|
||||
LINKFLAGS += -g
|
||||
# do not use -pg with PGI compilers
|
||||
|
||||
ifndef COMPILER
|
||||
COMPILER=GCC_
|
||||
endif
|
||||
|
||||
include ../${COMPILER}default.mk
|
||||
0
sheet1/E/Makefile:Zone.Identifier
Normal file
0
sheet1/E/Makefile:Zone.Identifier
Normal file
BIN
sheet1/E/main.GCC_
Executable file
BIN
sheet1/E/main.GCC_
Executable file
Binary file not shown.
74
sheet1/E/main.cpp
Normal file
74
sheet1/E/main.cpp
Normal file
|
|
@ -0,0 +1,74 @@
|
|||
#include <iostream>
|
||||
#include <vector>
|
||||
#include <random>
|
||||
#include <chrono>
|
||||
#include <algorithm>
|
||||
#include "timing.h"
|
||||
#include <list>
|
||||
using namespace std;
|
||||
std::default_random_engine generator;
|
||||
|
||||
|
||||
unsigned int randomInt(unsigned int n)
|
||||
{
|
||||
|
||||
std::uniform_int_distribution<int> distribution(1,n);
|
||||
return distribution(generator);
|
||||
|
||||
}
|
||||
|
||||
void insertVector(vector<unsigned int>& vec)
|
||||
{
|
||||
unsigned int n = vec.size();
|
||||
unsigned int random;
|
||||
|
||||
for(unsigned int i = 0; i<n; i++)
|
||||
{
|
||||
random = randomInt(n);
|
||||
vector<unsigned int>::iterator it = lower_bound(vec.begin(), vec.end(), random);
|
||||
vec.insert(it, random);
|
||||
}
|
||||
|
||||
}
|
||||
void insertList(list<unsigned int>& l)
|
||||
{
|
||||
unsigned int n = l.size();
|
||||
unsigned int random;
|
||||
|
||||
for(unsigned int i = 0; i<n; i++)
|
||||
{
|
||||
random = randomInt(n);
|
||||
list<unsigned int>::iterator it = lower_bound(l.begin(), l.end(), random);
|
||||
l.insert(it, random);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
int main()
|
||||
{
|
||||
unsigned int n = 10000;
|
||||
vector<unsigned int> vec = {};
|
||||
list<unsigned int> l = {};
|
||||
for(unsigned int i=1; i<=n; i++)
|
||||
{
|
||||
vec.push_back(i);
|
||||
l.push_back(i);
|
||||
}
|
||||
tic();
|
||||
insertVector(vec);
|
||||
double vecTime = toc();
|
||||
|
||||
tic();
|
||||
insertList(l);
|
||||
double listTime = toc();
|
||||
|
||||
cout << is_sorted(vec.begin(), vec.end())<< endl;
|
||||
cout << is_sorted(l.begin(), l.end())<< endl;
|
||||
|
||||
cout << "vector time: " << vecTime << endl;
|
||||
cout << "list time: " << listTime << endl;
|
||||
|
||||
return 0;
|
||||
}
|
||||
BIN
sheet1/E/main.o
Normal file
BIN
sheet1/E/main.o
Normal file
Binary file not shown.
51
sheet1/E/timing.h
Normal file
51
sheet1/E/timing.h
Normal file
|
|
@ -0,0 +1,51 @@
|
|||
//
|
||||
// Gundolf Haase, Oct 18 2024
|
||||
//
|
||||
#pragma once
|
||||
#include <chrono> // timing
|
||||
#include <stack>
|
||||
|
||||
//using Clock = std::chrono::system_clock; //!< The wall clock timer chosen
|
||||
using Clock = std::chrono::high_resolution_clock;
|
||||
using TPoint= std::chrono::time_point<Clock>;
|
||||
|
||||
// [Galowicz, C++17 STL Cookbook, p. 29]
|
||||
|
||||
std::stack<TPoint> MyStopWatch; //!< starting time of stopwatch
|
||||
|
||||
/** Starts stopwatch timer.
|
||||
* Use as @code tic(); myfunction(...) ; double tsec = toc(); @endcode
|
||||
*
|
||||
* The timining can be nested and the recent time point is stored on top of the stack.
|
||||
*
|
||||
* @return recent time point
|
||||
* @see toc
|
||||
*/
|
||||
auto tic()
|
||||
{
|
||||
MyStopWatch.push(Clock::now());
|
||||
return MyStopWatch.top();
|
||||
}
|
||||
|
||||
/** Returns the elapsed time from stopwatch.
|
||||
*
|
||||
* The time point from top of the stack is used
|
||||
* if time point @p t_b is not passed as input parameter.
|
||||
* Use as @code tic(); myfunction(...) ; double tsec = toc(); @endcode
|
||||
* or as @code auto t_b = tic(); myfunction(...) ; double tsec = toc(t_b); @endcode
|
||||
* The last option is to be used in the case of
|
||||
* non-nested but overlapping time measurements.
|
||||
*
|
||||
* @param[in] t_b start time of some stop watch
|
||||
* @return elapsed time in seconds.
|
||||
*
|
||||
*/
|
||||
double toc(TPoint const &t_b = MyStopWatch.top())
|
||||
{
|
||||
// https://en.cppreference.com/w/cpp/chrono/treat_as_floating_point
|
||||
using Unit = std::chrono::seconds;
|
||||
using FpSeconds = std::chrono::duration<double, Unit::period>;
|
||||
auto t_e = Clock::now();
|
||||
MyStopWatch.pop();
|
||||
return FpSeconds(t_e-t_b).count();
|
||||
}
|
||||
0
sheet1/E/timing.h:Zone.Identifier
Normal file
0
sheet1/E/timing.h:Zone.Identifier
Normal file
5
sheet1/F/.vscode/settings.json
vendored
Normal file
5
sheet1/F/.vscode/settings.json
vendored
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
{
|
||||
"files.associations": {
|
||||
"ostream": "cpp"
|
||||
}
|
||||
}
|
||||
30
sheet1/F/Makefile
Normal file
30
sheet1/F/Makefile
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
#
|
||||
# use GNU-Compiler tools
|
||||
COMPILER=GCC_
|
||||
# alternatively from the shell
|
||||
# export COMPILER=GCC_
|
||||
# or, alternatively from the shell
|
||||
# make COMPILER=GCC_
|
||||
|
||||
# use Intel compilers
|
||||
#COMPILER=ICC_
|
||||
|
||||
# use PGI compilers
|
||||
# COMPILER=PGI_
|
||||
|
||||
|
||||
SOURCES = main.cpp
|
||||
OBJECTS = $(SOURCES:.cpp=.o)
|
||||
|
||||
PROGRAM = main.${COMPILER}
|
||||
|
||||
# uncomment the next to lines for debugging and detailed performance analysis
|
||||
CXXFLAGS += -g
|
||||
LINKFLAGS += -g
|
||||
# do not use -pg with PGI compilers
|
||||
|
||||
ifndef COMPILER
|
||||
COMPILER=GCC_
|
||||
endif
|
||||
|
||||
include ../${COMPILER}default.mk
|
||||
0
sheet1/F/Makefile:Zone.Identifier
Normal file
0
sheet1/F/Makefile:Zone.Identifier
Normal file
BIN
sheet1/F/main.GCC_
Executable file
BIN
sheet1/F/main.GCC_
Executable file
Binary file not shown.
130
sheet1/F/main.cpp
Normal file
130
sheet1/F/main.cpp
Normal file
|
|
@ -0,0 +1,130 @@
|
|||
#include <iostream>
|
||||
#include "mayer_primes.h"
|
||||
#include <vector>
|
||||
#include <algorithm>
|
||||
#include "timing.h"
|
||||
using namespace std;
|
||||
|
||||
unsigned int single_goldbach(unsigned int k)
|
||||
{
|
||||
unsigned int decomp = 0;
|
||||
unsigned int p,q;
|
||||
vector<unsigned int> primes = get_primes(k);
|
||||
for(unsigned i=0; i< primes.size(); i++)
|
||||
{
|
||||
p = primes.at(i);
|
||||
if(p > k/2)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
q = k-p;
|
||||
vector<unsigned int>::iterator it = lower_bound(primes.begin(), primes.end(), q);
|
||||
if (it != primes.end() && *it == q)
|
||||
{
|
||||
decomp++;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return decomp;
|
||||
}
|
||||
|
||||
//one can call single_goldbach but this way it is faster cause you dont have to regenerate primes and search in list
|
||||
vector<unsigned int> count_goldbach(unsigned int n)
|
||||
{
|
||||
vector<unsigned int> counts(n+1,0);
|
||||
unsigned int p,q;
|
||||
vector<unsigned int> primes = get_primes(n);
|
||||
for(unsigned int j=0; j<primes.size(); j++)
|
||||
{
|
||||
for(unsigned i=j; i< primes.size(); i++) //start a j elsewise double counting of pairs
|
||||
{
|
||||
p = primes.at(j);
|
||||
q = primes.at(i);
|
||||
|
||||
if(p+q > n)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
counts[p+q] += 1;
|
||||
|
||||
}
|
||||
}
|
||||
return counts;
|
||||
}
|
||||
|
||||
vector<vector<vector<unsigned int>>> count_goldbach_all(unsigned int n)
|
||||
{
|
||||
vector<vector<vector<unsigned int>>> counts(n+1,{{0,0}});
|
||||
unsigned int p,q;
|
||||
vector<unsigned int> primes = get_primes(n);
|
||||
for(unsigned int j=0; j<primes.size(); j++)
|
||||
{
|
||||
for(unsigned i=j; i< primes.size(); i++)
|
||||
{
|
||||
p = primes.at(j);
|
||||
q = primes.at(i);
|
||||
|
||||
if(p+q > n)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
if (counts[p+q].at(0).at(0) == 0) //first pair found
|
||||
{
|
||||
counts[p+q]={{p,q}};
|
||||
}
|
||||
else{
|
||||
counts[p+q].push_back({p,q});
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
return counts;
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
|
||||
//2
|
||||
cout << single_goldbach(694) << endl;
|
||||
|
||||
//3
|
||||
vector<unsigned int> counts = count_goldbach(100000);
|
||||
cout << (max_element(counts.begin(), counts.end()) - counts.begin()) << endl;
|
||||
|
||||
//4
|
||||
vector<unsigned int> nvalues = {10000, 100000, 400000, 1000000, 2000000, 10000000};
|
||||
double time;
|
||||
unsigned int n;
|
||||
for(unsigned int i = 0; i< nvalues.size(); i++)
|
||||
{
|
||||
n = nvalues.at(i);
|
||||
tic();
|
||||
count_goldbach(n);
|
||||
time = toc();
|
||||
cout << "Time for n=" << n << ": " << time << endl;
|
||||
}
|
||||
/*Time for n=10000: 0.0006853
|
||||
Time for n=100000: 0.0371858
|
||||
Time for n=400000: 0.505129
|
||||
Time for n=1000000: 2.85873
|
||||
Time for n=2000000: 15.0026
|
||||
Time for n=10000000: 549.658*/
|
||||
|
||||
|
||||
//*)
|
||||
unsigned int n2 = 694;
|
||||
vector<vector<vector<unsigned int>>> counts2 = count_goldbach_all(n2);
|
||||
for(unsigned int i=4; i<n2; i+=2)
|
||||
{
|
||||
cout << "Decomp for " << i << ":"<<endl;
|
||||
for(unsigned int j=0; j<counts2.at(i).size(); j++)
|
||||
{
|
||||
//cout << counts2.at(i).at(j).at(0) << "+" << counts2.at(i).at(j).at(1) << "=" << i << endl;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
return 0;
|
||||
}
|
||||
BIN
sheet1/F/main.o
Normal file
BIN
sheet1/F/main.o
Normal file
Binary file not shown.
73
sheet1/F/mayer_primes.h
Normal file
73
sheet1/F/mayer_primes.h
Normal file
|
|
@ -0,0 +1,73 @@
|
|||
#pragma once
|
||||
|
||||
#include <cstring> //memset
|
||||
#include <vector>
|
||||
//using namespace std;
|
||||
|
||||
/** \brief Determines all prime numbers in interval [2, @p max].
|
||||
*
|
||||
* The sieve of Eratosthenes is used.
|
||||
*
|
||||
* The implementation originates from <a href="http://code.activestate.com/recipes/576559-fast-prime-generator/">Florian Mayer</a>.
|
||||
*
|
||||
* \param[in] max end of interval for the prime number search.
|
||||
* \return vector of prime numbers @f$2,3,5, ..., p<=max @f$.
|
||||
*
|
||||
* \copyright
|
||||
* Copyright (c) 2008 Florian Mayer (adapted by Gundolf Haase 2018)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
|
||||
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
template <class T>
|
||||
std::vector<T> get_primes(T max)
|
||||
{
|
||||
std::vector<T> primes;
|
||||
char *sieve;
|
||||
sieve = new char[max / 8 + 1];
|
||||
// Fill sieve with 1
|
||||
memset(sieve, 0xFF, (max / 8 + 1) * sizeof(char));
|
||||
for (T x = 2; x <= max; x++)
|
||||
{
|
||||
if (sieve[x / 8] & (0x01 << (x % 8))) {
|
||||
primes.push_back(x);
|
||||
// Is prime. Mark multiplicates.
|
||||
for (T j = 2 * x; j <= max; j += x)
|
||||
{
|
||||
sieve[j / 8] &= ~(0x01 << (j % 8));
|
||||
}
|
||||
}
|
||||
}
|
||||
delete[] sieve;
|
||||
return primes;
|
||||
}
|
||||
|
||||
//---------------------------------------------------------------
|
||||
//int main() // by Florian Mayer
|
||||
//{g++ -O3 -std=c++14 -fopenmp main.cpp && ./a.out
|
||||
// vector<unsigned long> primes;
|
||||
// primes = get_primes(10000000);
|
||||
// // return 0;
|
||||
// // Print out result.
|
||||
// vector<unsigned long>::iterator it;
|
||||
// for(it=primes.begin(); it < primes.end(); it++)
|
||||
// cout << *it << " ";
|
||||
//
|
||||
// cout << endl;
|
||||
// return 0;
|
||||
//}
|
||||
3
sheet1/F/mayer_primes.h:Zone.Identifier
Normal file
3
sheet1/F/mayer_primes.h:Zone.Identifier
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
[ZoneTransfer]
|
||||
ZoneId=3
|
||||
HostUrl=https://imsc.uni-graz.at/haasegu/Lectures/Math2CPP/Examples/goldbach/mayer_primes.h
|
||||
51
sheet1/F/timing.h
Normal file
51
sheet1/F/timing.h
Normal file
|
|
@ -0,0 +1,51 @@
|
|||
//
|
||||
// Gundolf Haase, Oct 18 2024
|
||||
//
|
||||
#pragma once
|
||||
#include <chrono> // timing
|
||||
#include <stack>
|
||||
|
||||
//using Clock = std::chrono::system_clock; //!< The wall clock timer chosen
|
||||
using Clock = std::chrono::high_resolution_clock;
|
||||
using TPoint= std::chrono::time_point<Clock>;
|
||||
|
||||
// [Galowicz, C++17 STL Cookbook, p. 29]
|
||||
|
||||
std::stack<TPoint> MyStopWatch; //!< starting time of stopwatch
|
||||
|
||||
/** Starts stopwatch timer.
|
||||
* Use as @code tic(); myfunction(...) ; double tsec = toc(); @endcode
|
||||
*
|
||||
* The timining can be nested and the recent time point is stored on top of the stack.
|
||||
*
|
||||
* @return recent time point
|
||||
* @see toc
|
||||
*/
|
||||
auto tic()
|
||||
{
|
||||
MyStopWatch.push(Clock::now());
|
||||
return MyStopWatch.top();
|
||||
}
|
||||
|
||||
/** Returns the elapsed time from stopwatch.
|
||||
*
|
||||
* The time point from top of the stack is used
|
||||
* if time point @p t_b is not passed as input parameter.
|
||||
* Use as @code tic(); myfunction(...) ; double tsec = toc(); @endcode
|
||||
* or as @code auto t_b = tic(); myfunction(...) ; double tsec = toc(t_b); @endcode
|
||||
* The last option is to be used in the case of
|
||||
* non-nested but overlapping time measurements.
|
||||
*
|
||||
* @param[in] t_b start time of some stop watch
|
||||
* @return elapsed time in seconds.
|
||||
*
|
||||
*/
|
||||
double toc(TPoint const &t_b = MyStopWatch.top())
|
||||
{
|
||||
// https://en.cppreference.com/w/cpp/chrono/treat_as_floating_point
|
||||
using Unit = std::chrono::seconds;
|
||||
using FpSeconds = std::chrono::duration<double, Unit::period>;
|
||||
auto t_e = Clock::now();
|
||||
MyStopWatch.pop();
|
||||
return FpSeconds(t_e-t_b).count();
|
||||
}
|
||||
0
sheet1/F/timing.h:Zone.Identifier
Normal file
0
sheet1/F/timing.h:Zone.Identifier
Normal file
6
sheet1/G/.vscode/settings.json
vendored
Normal file
6
sheet1/G/.vscode/settings.json
vendored
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
{
|
||||
"files.associations": {
|
||||
"vector": "cpp",
|
||||
"ostream": "cpp"
|
||||
}
|
||||
}
|
||||
30
sheet1/G/Makefile
Normal file
30
sheet1/G/Makefile
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
#
|
||||
# use GNU-Compiler tools
|
||||
COMPILER=GCC_
|
||||
# alternatively from the shell
|
||||
# export COMPILER=GCC_
|
||||
# or, alternatively from the shell
|
||||
# make COMPILER=GCC_
|
||||
|
||||
# use Intel compilers
|
||||
#COMPILER=ICC_
|
||||
|
||||
# use PGI compilers
|
||||
# COMPILER=PGI_
|
||||
|
||||
|
||||
SOURCES = main.cpp mylib.cpp
|
||||
OBJECTS = $(SOURCES:.cpp=.o)
|
||||
|
||||
PROGRAM = main.${COMPILER}
|
||||
|
||||
# uncomment the next to lines for debugging and detailed performance analysis
|
||||
CXXFLAGS += -g
|
||||
LINKFLAGS += -g
|
||||
# do not use -pg with PGI compilers
|
||||
|
||||
ifndef COMPILER
|
||||
COMPILER=GCC_
|
||||
endif
|
||||
|
||||
include ../${COMPILER}default.mk
|
||||
0
sheet1/G/Makefile:Zone.Identifier
Normal file
0
sheet1/G/Makefile:Zone.Identifier
Normal file
BIN
sheet1/G/main.GCC_
Executable file
BIN
sheet1/G/main.GCC_
Executable file
Binary file not shown.
109
sheet1/G/main.cpp
Normal file
109
sheet1/G/main.cpp
Normal file
|
|
@ -0,0 +1,109 @@
|
|||
#include "mylib.h"
|
||||
#include <iostream>
|
||||
#include <cassert>
|
||||
#include <vector>
|
||||
using namespace std;
|
||||
int main()
|
||||
{
|
||||
|
||||
//b)
|
||||
DenseMatrix const M(5,3); // Dense matrix, also initialized
|
||||
vector<double> const u{{1,2,3}};
|
||||
vector<double> f1 = M.Mult(u);
|
||||
vector<double> const v{{-1,2,-3,4,-5}};
|
||||
vector<double> f2 = M.MultT(v);
|
||||
|
||||
for(unsigned int i = 0; i < f1.size(); i++)
|
||||
{
|
||||
cout << f1.at(i) << " ";
|
||||
}
|
||||
cout << endl;
|
||||
for(unsigned int i = 0; i < f2.size(); i++)
|
||||
{
|
||||
cout << f2.at(i) << " ";
|
||||
}
|
||||
cout << endl;
|
||||
|
||||
|
||||
//c)
|
||||
int n=5000;
|
||||
DenseMatrix const A(n,n);
|
||||
vector<double> w = {};
|
||||
for(int i = -n/2; i < n/2; i++)
|
||||
{
|
||||
w.push_back(i);
|
||||
}
|
||||
|
||||
|
||||
int const NLOOPS=100;
|
||||
|
||||
double t1 = clock(); // start timer
|
||||
vector<double> f3 = A.Mult(w);
|
||||
for (int k=1; k<NLOOPS; ++k)
|
||||
{
|
||||
f3 = A.Mult(w);
|
||||
}
|
||||
t1 = (clock()-t1)/CLOCKS_PER_SEC/NLOOPS;
|
||||
cout << "Time for Mult per it: " << t1 << endl;
|
||||
|
||||
double t2 = clock(); // start timer
|
||||
vector<double> f4 = A.MultT(w);
|
||||
for (int k=1; k<NLOOPS; ++k)
|
||||
{
|
||||
f4 = A.MultT(w);
|
||||
}
|
||||
t2 = (clock()-t2)/CLOCKS_PER_SEC/NLOOPS;
|
||||
cout << "Time for MultT per it: " << t2 << endl;
|
||||
//slower because consecutive calls to data vector of Matrix are more apart (+m) due to column wise access (non contiguous memory)
|
||||
|
||||
double maxDiff = 0.0;
|
||||
for (size_t i = 0; i < f3.size(); ++i) {
|
||||
double diff = abs(f3[i] - f4[i]);
|
||||
if (diff > maxDiff) {
|
||||
maxDiff = diff;
|
||||
}
|
||||
}
|
||||
cout << "difference f3 and f4: " << maxDiff << endl;
|
||||
|
||||
|
||||
//d)
|
||||
cout << "-----------------DYADIC------------------" <<endl;
|
||||
vector<double> x = {};
|
||||
for(int k=0; k < n; k++)
|
||||
{
|
||||
x.push_back(f(k, n));
|
||||
}
|
||||
Dyadic const D(x,x);
|
||||
|
||||
double t3 = clock(); // start timer
|
||||
vector<double> f5 = D.Mult(w);
|
||||
for (int k=1; k<NLOOPS; ++k)
|
||||
{
|
||||
f5 = D.Mult(w);
|
||||
}
|
||||
t3 = (clock()-t3)/CLOCKS_PER_SEC/NLOOPS;
|
||||
cout << "Time for Mult per it: " << t3 << endl;
|
||||
|
||||
double t4 = clock(); // start timer
|
||||
vector<double> f6 = D.MultT(w);
|
||||
for (int k=1; k<NLOOPS; ++k)
|
||||
{
|
||||
f6 = D.MultT(w);
|
||||
}
|
||||
t4 = (clock()-t4)/CLOCKS_PER_SEC/NLOOPS;
|
||||
cout << "Time for MultT per it: " << t4 << endl;
|
||||
//slower because consecutive calls to data vector of Matrix are more apart (+m) due to column wise access (non contiguous memory)
|
||||
|
||||
double maxDiff2 = 0.0;
|
||||
for (size_t i = 0; i < f5.size(); ++i) {
|
||||
double diff = abs(f5[i] - f6[i]);
|
||||
if (diff > maxDiff2) {
|
||||
maxDiff2 = diff;
|
||||
}
|
||||
}
|
||||
cout << "difference f5 and f6: " << maxDiff2 << endl;
|
||||
|
||||
|
||||
|
||||
return 0;
|
||||
}
|
||||
BIN
sheet1/G/main.o
Normal file
BIN
sheet1/G/main.o
Normal file
Binary file not shown.
109
sheet1/G/mylib.cpp
Normal file
109
sheet1/G/mylib.cpp
Normal file
|
|
@ -0,0 +1,109 @@
|
|||
#include "mylib.h"
|
||||
#include <cmath>
|
||||
#include <iostream>
|
||||
using namespace std;
|
||||
|
||||
double f(unsigned int k, unsigned int nm) {
|
||||
|
||||
return 1.0 / (1.0 + exp(-(10.0*k/(nm-1)-5)));
|
||||
}
|
||||
|
||||
DenseMatrix::DenseMatrix(unsigned int n, unsigned int m): n_(n), m_(m), data_(n*m)
|
||||
{
|
||||
unsigned int nm = max(n,m);
|
||||
for(unsigned int rowIt = 0; rowIt < n_; rowIt++)
|
||||
{
|
||||
for(unsigned int colIt=0; colIt <m_; colIt++)
|
||||
{
|
||||
data_.at(rowIt*m+colIt) = (f(rowIt,nm)*f(colIt,nm));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
vector<double> DenseMatrix::Mult(const vector<double> &u) const{
|
||||
if(u.size() != m_)
|
||||
{
|
||||
cout << "Dimension mismatch: expected " << m_ << " but got " << u.size() << "!" << endl;
|
||||
return {};
|
||||
}
|
||||
vector<double> f1 = {};
|
||||
double sum;
|
||||
for(unsigned int rowIt = 0; rowIt < n_; rowIt++)
|
||||
{
|
||||
sum = 0;
|
||||
for(unsigned int colIt=0; colIt <m_; colIt++)
|
||||
{
|
||||
sum += data_.at(rowIt*m_+colIt) * u.at(colIt);
|
||||
}
|
||||
f1.push_back(sum);
|
||||
}
|
||||
return f1;
|
||||
}
|
||||
|
||||
vector<double> DenseMatrix::MultT(const vector<double> &v) const{
|
||||
if(v.size() != n_)
|
||||
{
|
||||
cout << "Dimension mismatch: expected " << n_ << " but got " << v.size() << "!" << endl;
|
||||
return {};
|
||||
}
|
||||
vector<double> f2 = {};
|
||||
double sum;
|
||||
for(unsigned int colIt = 0; colIt < m_; colIt++)
|
||||
{
|
||||
sum = 0;
|
||||
for(unsigned int rowIt=0; rowIt <n_; rowIt++)
|
||||
{
|
||||
sum += data_.at(rowIt*m_+colIt) * v.at(rowIt);
|
||||
}
|
||||
f2.push_back(sum);
|
||||
}
|
||||
return f2;
|
||||
}
|
||||
|
||||
|
||||
//-----------------------------------------------------------------------------------------------
|
||||
Dyadic::Dyadic(vector<double>& u, vector<double>& v):u_(u), v_(v){
|
||||
|
||||
}
|
||||
|
||||
vector<double> Dyadic::Mult(const vector<double> &w) const{
|
||||
unsigned int m = v_.size();
|
||||
if(w.size() != m)
|
||||
{
|
||||
cout << "Dimension mismatch!" << endl;
|
||||
return {};
|
||||
}
|
||||
vector<double> f1 = {};
|
||||
double skalar = 0;
|
||||
for(unsigned int vIt = 0; vIt < m; vIt++)
|
||||
{
|
||||
skalar += v_.at(vIt)*w.at(vIt);
|
||||
}
|
||||
for(unsigned int uIt=0; uIt < u_.size(); uIt++)
|
||||
{
|
||||
f1.push_back(u_.at(uIt)*skalar);
|
||||
}
|
||||
|
||||
return f1;
|
||||
}
|
||||
|
||||
vector<double> Dyadic::MultT(const vector<double> &w) const{
|
||||
unsigned int n = u_.size();
|
||||
if(w.size() != n)
|
||||
{
|
||||
cout << "Dimension mismatch!" << endl;
|
||||
return {};
|
||||
}
|
||||
vector<double> f1 = {};
|
||||
double skalar = 0;
|
||||
for(unsigned int uIt = 0; uIt < n; uIt++)
|
||||
{
|
||||
skalar += u_.at(uIt)*w.at(uIt);
|
||||
}
|
||||
for(unsigned int vIt=0; vIt < v_.size(); vIt++)
|
||||
{
|
||||
f1.push_back(v_.at(vIt)*skalar);
|
||||
}
|
||||
|
||||
return f1;
|
||||
}
|
||||
36
sheet1/G/mylib.h
Normal file
36
sheet1/G/mylib.h
Normal file
|
|
@ -0,0 +1,36 @@
|
|||
#ifndef MYLIB_H_INCLUDED
|
||||
#define MYLIB_H_INCLUDED
|
||||
|
||||
#include <vector>
|
||||
using namespace std;
|
||||
|
||||
double f(unsigned int k, unsigned int nm);
|
||||
|
||||
class DenseMatrix{
|
||||
|
||||
public:
|
||||
DenseMatrix(unsigned int n, unsigned int m);
|
||||
|
||||
vector<double> Mult(const vector<double> &u) const;
|
||||
vector<double> MultT(const vector<double> &v) const;
|
||||
|
||||
|
||||
private:
|
||||
unsigned int n_,m_;
|
||||
vector<double> data_;
|
||||
};
|
||||
|
||||
class Dyadic{
|
||||
public:
|
||||
Dyadic(vector<double>& u, vector<double>& v);
|
||||
|
||||
vector<double> Mult(const vector<double> &u) const;
|
||||
vector<double> MultT(const vector<double> &v) const;
|
||||
|
||||
|
||||
private:
|
||||
vector<double> u_;
|
||||
vector<double> v_;
|
||||
};
|
||||
|
||||
#endif // MYLIB_H_INCLUDED
|
||||
BIN
sheet1/G/mylib.o
Normal file
BIN
sheet1/G/mylib.o
Normal file
Binary file not shown.
130
sheet1/GCC_AMD32_default.mk
Normal file
130
sheet1/GCC_AMD32_default.mk
Normal file
|
|
@ -0,0 +1,130 @@
|
|||
# Basic Defintions for using GNU-compiler suite sequentially
|
||||
# requires setting of COMPILER=GCC_
|
||||
|
||||
CC = gcc
|
||||
CXX = g++
|
||||
F77 = gfortran
|
||||
LINKER = ${CXX}
|
||||
|
||||
# on mephisto:
|
||||
#CXXFLAGS += -I/share/apps/atlas/include
|
||||
#LINKFLAGS += -L/share/apps/atlas/lib
|
||||
#LINKFLAGS += -lcblas -latlas
|
||||
|
||||
#LINKFLAGS += -lblas
|
||||
# Der <cblas.h> Header muss mit extern "C" versehen werden, damit g++ alles findet.
|
||||
|
||||
|
||||
#WARNINGS = -pedantic -pedantic-errors -Wall -Wextra -Werror -Wconversion -Weffc++ -Woverloaded-virtual -Wfloat-equal -Wshadow
|
||||
WARNINGS = -pedantic -Wall -Wextra -Wconversion -Weffc++ -Woverloaded-virtual -Wfloat-equal -Wshadow \
|
||||
-Wredundant-decls -Winline -fmax-errors=1
|
||||
# -Wunreachable-code
|
||||
# -Wunreachable-code
|
||||
CXXFLAGS += -ffast-math -O3 -march=native -std=c++17 ${WARNINGS}
|
||||
#CXXFLAGS += -Ofast -funroll-all-loops -std=c++17 ${WARNINGS}
|
||||
#-msse3
|
||||
# -ftree-vectorizer-verbose=2 -DNDEBUG
|
||||
# -ftree-vectorizer-verbose=5
|
||||
# -ftree-vectorize -fdump-tree-vect-blocks=foo.dump -fdump-tree-pre=stderr
|
||||
|
||||
# CFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp -fdump-tree-vect-details
|
||||
# CFLAGS = -ffast-math -O3 -funroll-loops -DNDEBUG -msse3 -fopenmp -ftree-vectorizer-verbose=2
|
||||
# #CFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp
|
||||
# FFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp
|
||||
# LFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp
|
||||
LINKFLAGS += -O3
|
||||
|
||||
# BLAS, LAPACK
|
||||
OPENBLAS_DIR = /opt/openblas_GCCseq
|
||||
#OPENBLAS_DIR = /opt/openblas_GCC
|
||||
OPENBLAS_LIBDIR = ${OPENBLAS_DIR}/lib
|
||||
OPENBLAS_INCDIR = ${OPENBLAS_DIR}/include
|
||||
CXXFLAGS += -I${OPENBLAS_INCDIR}
|
||||
LINKFLAGS += -L${OPENBLAS_LIBDIR} -lopenblas
|
||||
|
||||
# interprocedural optimization
|
||||
CXXFLAGS += -flto
|
||||
LINKFLAGS += -flto
|
||||
|
||||
# profiling tools
|
||||
#CXXFLAGS += -pg
|
||||
#LINKFLAGS += -pg
|
||||
|
||||
default: ${PROGRAM}
|
||||
|
||||
${PROGRAM}: ${OBJECTS}
|
||||
$(LINKER) $^ ${LINKFLAGS} -o $@
|
||||
|
||||
clean:
|
||||
@rm -f ${PROGRAM} ${OBJECTS}
|
||||
|
||||
clean_all:: clean
|
||||
-@rm -f *_ *~ *.bak *.log *.out *.tar *.orig
|
||||
-@rm -r html
|
||||
|
||||
run: clean ${PROGRAM}
|
||||
# time ./${PROGRAM}
|
||||
# ./${PROGRAM}
|
||||
( export LD_LIBRARY_PATH=${OPENBLAS_LIBDIR}:${LD_LIBRARY_PATH} ; ./${PROGRAM} )
|
||||
# or 'export LD_LIBRARY_PATH=/opt/openblas_gcc/lib:${LD_LIBRARY_PATH}' in your ~/.bashrc
|
||||
|
||||
# tar the current directory
|
||||
MY_DIR = `basename ${PWD}`
|
||||
tar:
|
||||
@echo "Tar the directory: " ${MY_DIR}
|
||||
@cd .. ;\
|
||||
tar cf ${MY_DIR}.tar ${MY_DIR} *default.mk ;\
|
||||
cd ${MY_DIR}
|
||||
# tar cf `basename ${PWD}`.tar *
|
||||
|
||||
doc:
|
||||
doxygen Doxyfile
|
||||
|
||||
#########################################################################
|
||||
|
||||
.cpp.o:
|
||||
$(CXX) -c $(CXXFLAGS) -o $@ $<
|
||||
|
||||
.c.o:
|
||||
$(CC) -c $(CFLAGS) -o $@ $<
|
||||
|
||||
.f.o:
|
||||
$(F77) -c $(FFLAGS) -o $@ $<
|
||||
|
||||
##################################################################################################
|
||||
# some tools
|
||||
# Cache behaviour (CXXFLAGS += -g tracks down to source lines; no -pg in linkflags)
|
||||
cache: ${PROGRAM}
|
||||
valgrind --tool=callgrind --simulate-cache=yes ./$^
|
||||
# kcachegrind callgrind.out.<pid> &
|
||||
kcachegrind `ls -1tr callgrind.out.* |tail -1`
|
||||
|
||||
# Check for wrong memory accesses, memory leaks, ...
|
||||
# use smaller data sets
|
||||
# no "-pg" in compile/link options
|
||||
mem: ${PROGRAM}
|
||||
valgrind -v --leak-check=yes --tool=memcheck --undef-value-errors=yes --track-origins=yes --log-file=$^.addr.out --show-reachable=yes ./$^
|
||||
|
||||
# Simple run time profiling of your code
|
||||
# CXXFLAGS += -g -pg
|
||||
# LINKFLAGS += -pg
|
||||
prof: ${PROGRAM}
|
||||
./$^
|
||||
gprof -b ./$^ > gp.out
|
||||
# kprof -f gp.out -p gprof &
|
||||
|
||||
#Trace your heap:
|
||||
#> heaptrack ./main.GCC_
|
||||
#> heaptrack_gui heaptrack.main.GCC_.<pid>.gz
|
||||
heap: ${PROGRAM}
|
||||
heaptrack ./$^ 11
|
||||
heaptrack_gui `ls -1tr heaptrack.$^.* |tail -1` &
|
||||
|
||||
|
||||
|
||||
########################################################################
|
||||
# get the detailed status of all optimization flags
|
||||
info:
|
||||
echo "detailed status of all optimization flags"
|
||||
$(CXX) --version
|
||||
$(CXX) -Q $(CXXFLAGS) --help=optimizers
|
||||
183
sheet1/GCC_default.mk
Normal file
183
sheet1/GCC_default.mk
Normal file
|
|
@ -0,0 +1,183 @@
|
|||
# Basic Defintions for using GNU-compiler suite sequentially
|
||||
# requires setting of COMPILER=GCC_
|
||||
|
||||
CC = gcc
|
||||
CXX = g++
|
||||
F77 = gfortran
|
||||
LINKER = ${CXX}
|
||||
|
||||
WARNINGS = -Wall -pedantic -Wextra -Weffc++ -Woverloaded-virtual -Wfloat-equal -Wshadow \
|
||||
-Wredundant-decls -Winline -fmax-errors=1
|
||||
# -Wunreachable-code
|
||||
CXXFLAGS += -ffast-math -O3 -march=native -std=c++17 ${WARNINGS}
|
||||
#CXXFLAGS += -Ofast -funroll-all-loops -std=c++17 ${WARNINGS}
|
||||
#-msse3
|
||||
# -ftree-vectorizer-verbose=2 -DNDEBUG
|
||||
# -ftree-vectorizer-verbose=5
|
||||
# -ftree-vectorize -fdump-tree-vect-blocks=foo.dump -fdump-tree-pre=stderr
|
||||
|
||||
# CFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp -fdump-tree-vect-details
|
||||
# CFLAGS = -ffast-math -O3 -funroll-loops -DNDEBUG -msse3 -fopenmp -ftree-vectorizer-verbose=2
|
||||
# #CFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp
|
||||
# FFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp
|
||||
# LFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp
|
||||
LINKFLAGS += -O3
|
||||
|
||||
#architecture
|
||||
#CPU = -march=znver2
|
||||
CXXFLAGS += ${CPU}
|
||||
LINKFLAGS += ${CPU}
|
||||
|
||||
# different libraries in Ubuntu or manajaró
|
||||
ifndef UBUNTU
|
||||
UBUNTU=1
|
||||
endif
|
||||
|
||||
# BLAS, LAPACK
|
||||
ifeq ($(UBUNTU),1)
|
||||
LINKFLAGS += -llapack -lblas
|
||||
# -lopenblas
|
||||
else
|
||||
# on archlinux
|
||||
LINKFLAGS += -llapack -lopenblas -lcblas
|
||||
endif
|
||||
|
||||
# interprocedural optimization
|
||||
CXXFLAGS += -flto
|
||||
LINKFLAGS += -flto
|
||||
|
||||
# for debugging purpose (save code)
|
||||
# -fsanitize=leak # only one out the three can be used
|
||||
# -fsanitize=address
|
||||
# -fsanitize=thread
|
||||
SANITARY = -fsanitize=address -fsanitize=undefined -fsanitize=null -fsanitize=return \
|
||||
-fsanitize=bounds -fsanitize=alignment -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow \
|
||||
-fsanitize=bool -fsanitize=enum -fsanitize=vptr
|
||||
#CXXFLAGS += ${SANITARY}
|
||||
#LINKFLAGS += ${SANITARY}
|
||||
|
||||
# profiling tools
|
||||
#CXXFLAGS += -pg
|
||||
#LINKFLAGS += -pg
|
||||
|
||||
|
||||
default: ${PROGRAM}
|
||||
|
||||
${PROGRAM}: ${OBJECTS}
|
||||
$(LINKER) $^ ${LINKFLAGS} -o $@
|
||||
|
||||
clean:
|
||||
@rm -f ${PROGRAM} ${OBJECTS}
|
||||
|
||||
clean_all:: clean
|
||||
-@rm -f *_ *~ *.bak *.log *.out *.tar *.orig *.optrpt
|
||||
-@rm -rf html
|
||||
|
||||
run: clean ${PROGRAM}
|
||||
#run: ${PROGRAM}
|
||||
# time ./${PROGRAM} ${PARAMS}
|
||||
./${PROGRAM} ${PARAMS}
|
||||
|
||||
# tar the current directory
|
||||
MY_DIR = `basename ${PWD}`
|
||||
tar: clean_all
|
||||
@echo "Tar the directory: " ${MY_DIR}
|
||||
@cd .. ;\
|
||||
tar cf ${MY_DIR}.tar ${MY_DIR} *default.mk ;\
|
||||
cd ${MY_DIR}
|
||||
# tar cf `basename ${PWD}`.tar *
|
||||
#find . -size +10M > large_files
|
||||
#--exclude-from ${MY_DIR}/large_files
|
||||
|
||||
zip: clean
|
||||
@echo "Zip the directory: " ${MY_DIR}
|
||||
@cd .. ;\
|
||||
zip -r ${MY_DIR}.zip ${MY_DIR} *default.mk ;\
|
||||
cd ${MY_DIR}
|
||||
|
||||
doc:
|
||||
doxygen Doxyfile
|
||||
|
||||
#########################################################################
|
||||
.SUFFIXES: .f90
|
||||
|
||||
.cpp.o:
|
||||
$(CXX) -c $(CXXFLAGS) -o $@ $<
|
||||
# $(CXX) -c $(CXXFLAGS) -o $@ $< 2>&1 | tee -a $<.log
|
||||
# $(CXX) -c $(CXXFLAGS) -o $@ $< 2>&1 | tee -a $(<:.cpp=.log)
|
||||
|
||||
.c.o:
|
||||
$(CC) -c $(CFLAGS) -o $@ $<
|
||||
|
||||
.f.o:
|
||||
$(F77) -c $(FFLAGS) -o $@ $<
|
||||
|
||||
.f90.o:
|
||||
$(F77) -c $(FFLAGS) -o $@ $<
|
||||
|
||||
##################################################################################################
|
||||
# some tools
|
||||
# Cache behaviour (CXXFLAGS += -g tracks down to source lines; no -pg in linkflags)
|
||||
cache: ${PROGRAM}
|
||||
valgrind --tool=callgrind --simulate-cache=yes ./$^ ${PARAMS}
|
||||
# kcachegrind callgrind.out.<pid> &
|
||||
kcachegrind `ls -1tr callgrind.out.* |tail -1`
|
||||
|
||||
# Check for wrong memory accesses, memory leaks, ...
|
||||
# use smaller data sets
|
||||
# no "-pg" in compile/link options
|
||||
mem: ${PROGRAM}
|
||||
valgrind -v --leak-check=yes --tool=memcheck --undef-value-errors=yes --track-origins=yes --log-file=$^.addr.out --show-reachable=yes ./$^ ${PARAMS}
|
||||
# Graphical interface
|
||||
# valkyrie
|
||||
|
||||
# Simple run time profiling of your code
|
||||
# CXXFLAGS += -g -pg
|
||||
# LINKFLAGS += -pg
|
||||
prof: ${PROGRAM}
|
||||
perf record ./$^ ${PARAMS}
|
||||
perf report
|
||||
# gprof -b ./$^ > gp.out
|
||||
# kprof -f gp.out -p gprof &
|
||||
|
||||
# perf in Ubuntu 20.04: https://www.howtoforge.com/how-to-install-perf-performance-analysis-tool-on-ubuntu-20-04/
|
||||
# * install
|
||||
# * sudo vi /etc/sysctl.conf
|
||||
# add kernel.perf_event_paranoid = 0
|
||||
|
||||
#Trace your heap:
|
||||
#> heaptrack ./main.GCC_
|
||||
#> heaptrack_gui heaptrack.main.GCC_.<pid>.gz
|
||||
heap: ${PROGRAM}
|
||||
heaptrack ./$^ ${PARAMS}
|
||||
heaptrack_gui `ls -1tr heaptrack.$^.* |tail -1` &
|
||||
|
||||
codecheck: $(SOURCES)
|
||||
cppcheck --enable=all --inconclusive --std=c++17 --suppress=missingIncludeSystem $^
|
||||
|
||||
|
||||
########################################################################
|
||||
# get the detailed status of all optimization flags
|
||||
info:
|
||||
echo "detailed status of all optimization flags"
|
||||
$(CXX) --version
|
||||
$(CXX) -Q $(CXXFLAGS) --help=optimizers
|
||||
lscpu
|
||||
inxi -C
|
||||
lstopo
|
||||
|
||||
# Excellent hardware info
|
||||
# hardinfo
|
||||
# Life monitoring of CPU frequency etc.
|
||||
# sudo i7z
|
||||
|
||||
# Memory consumption
|
||||
# vmstat -at -SM 3
|
||||
# xfce4-taskmanager
|
||||
|
||||
|
||||
# https://www.tecmint.com/check-linux-cpu-information/
|
||||
#https://www.tecmint.com/monitor-cpu-and-gpu-temperature-in-ubuntu/
|
||||
|
||||
# Debugging:
|
||||
# https://wiki.archlinux.org/index.php/Debugging
|
||||
137
sheet1/ICC_default.mk
Normal file
137
sheet1/ICC_default.mk
Normal file
|
|
@ -0,0 +1,137 @@
|
|||
# Basic Defintions for using INTEL compiler suite sequentially
|
||||
# requires setting of COMPILER=ICC_
|
||||
|
||||
#BINDIR = /opt/intel/bin/
|
||||
|
||||
# special on my sony [GH]
|
||||
#BINDIR = /opt/save.intel/bin/
|
||||
# very special on my sony [GH]
|
||||
# FIND_LIBS = -L /opt/save.intel/composer_xe_2013.1.117/mkl/lib/intel64/libmkl_intel_lp64.so
|
||||
|
||||
# Error with g++-4.8 using icpc14.0,x:
|
||||
# find directory wherein bits/c++config.h is located
|
||||
# 'locate bits/c++config.h'
|
||||
#FOUND_CONFIG = -I/usr/include/x86_64-linux-gnu/c++/4.8
|
||||
|
||||
|
||||
CC = ${BINDIR}icc
|
||||
CXX = ${BINDIR}icpc
|
||||
F77 = ${BINDIR}ifort
|
||||
LINKER = ${CXX}
|
||||
|
||||
|
||||
WARNINGS = -Wall -Weffc++ -Woverloaded-virtual -Wfloat-equal -Wshadow -wd2015,2012 -wn3
|
||||
# -Winline -Wredundant-decls -Wunreachable-code
|
||||
CXXFLAGS += -O3 -fargument-noalias -std=c++17 -DNDEBUG ${WARNINGS} -mkl ${FOUND_CONFIG}
|
||||
# profiling tools
|
||||
#CXXFLAGS += -pg
|
||||
#LINKFLAGS += -pg
|
||||
# -vec-report=3
|
||||
# -qopt-report=5 -qopt-report-phase=vec
|
||||
# -guide -parallel
|
||||
# -guide-opts=string -guide-par[=n] -guide-vec[=n]
|
||||
# -auto-p32 -simd
|
||||
CXXFLAGS += -align
|
||||
|
||||
# use MKL by INTEL
|
||||
# https://software.intel.com/content/www/us/en/develop/documentation/mkl-linux-developer-guide/top/linking-your-application-with-the-intel-math-kernel-library/linking-quick-start/using-the-mkl-compiler-option.html
|
||||
# https://software.intel.com/content/www/us/en/develop/articles/intel-mkl-link-line-advisor.html
|
||||
# LINKFLAGS += -L${BINDIR}../composer_xe_2013.1.117/mkl/lib/intel64 -lmkl_intel_lp64 -lmkl_sequential -lmkl_core -lpthread
|
||||
#LINKFLAGS += -O3 -L/opt/intel/mkl/lib -mkl
|
||||
LINKFLAGS += -O3 -mkl=sequential
|
||||
|
||||
# interprocedural optimization
|
||||
CXXFLAGS += -ipo
|
||||
LINKFLAGS += -ipo
|
||||
|
||||
# annotated assembler file
|
||||
ANNOTED = -fsource-asm -S
|
||||
|
||||
default: ${PROGRAM}
|
||||
|
||||
${PROGRAM}: ${OBJECTS}
|
||||
$(LINKER) $^ ${LINKFLAGS} -o $@
|
||||
|
||||
clean:
|
||||
rm -f ${PROGRAM} ${OBJECTS}
|
||||
|
||||
clean_all:: clean
|
||||
@rm -f *_ *~ *.bak *.log *.out *.tar
|
||||
|
||||
run: clean ${PROGRAM}
|
||||
./${PROGRAM}
|
||||
|
||||
# tar the current directory
|
||||
MY_DIR = `basename ${PWD}`
|
||||
tar: clean_all
|
||||
@echo "Tar the directory: " ${MY_DIR}
|
||||
@cd .. ;\
|
||||
tar cf ${MY_DIR}.tar ${MY_DIR} *default.mk ;\
|
||||
cd ${MY_DIR}
|
||||
# tar cf `basename ${PWD}`.tar *
|
||||
|
||||
doc:
|
||||
doxygen Doxyfile
|
||||
|
||||
#########################################################################
|
||||
|
||||
.cpp.o:
|
||||
$(CXX) -c $(CXXFLAGS) -o $@ $<
|
||||
|
||||
.c.o:
|
||||
$(CC) -c $(CFLAGS) -o $@ $<
|
||||
|
||||
.f.o:
|
||||
$(F77) -c $(FFLAGS) -o $@ $<
|
||||
|
||||
##################################################################################################
|
||||
# # some tools
|
||||
# # Cache behaviour (CXXFLAGS += -g tracks down to source lines)
|
||||
# cache: ${PROGRAM}
|
||||
# valgrind --tool=callgrind --simulate-cache=yes ./$^
|
||||
# # kcachegrind callgrind.out.<pid> &
|
||||
#
|
||||
# # Check for wrong memory accesses, memory leaks, ...
|
||||
# # use smaller data sets
|
||||
# mem: ${PROGRAM}
|
||||
# valgrind -v --leak-check=yes --tool=memcheck --undef-value-errors=yes --track-origins=yes --log-file=$^.addr.out --show-reachable=yes ./$^
|
||||
#
|
||||
# # Simple run time profiling of your code
|
||||
# # CXXFLAGS += -g -pg
|
||||
# # LINKFLAGS += -pg
|
||||
# prof: ${PROGRAM}
|
||||
# ./$^
|
||||
# gprof -b ./$^ > gp.out
|
||||
# # kprof -f gp.out -p gprof &
|
||||
#
|
||||
|
||||
|
||||
mem: inspector
|
||||
prof: amplifier
|
||||
cache: amplifier
|
||||
|
||||
gap_par_report:
|
||||
${CXX} -c -guide -parallel $(SOURCES) 2> gap.txt
|
||||
|
||||
# GUI for performance report
|
||||
amplifier: ${PROGRAM}
|
||||
echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope
|
||||
# alternatively to the solution above:
|
||||
#edit file /etc/sysctl.d/10-ptrace.conf and set variable kernel.yama.ptrace_scope variable to 0 .
|
||||
amplxe-gui &
|
||||
|
||||
# GUI for Memory and Thread analyzer (race condition)
|
||||
inspector: ${PROGRAM}
|
||||
echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope
|
||||
inspxe-gui &
|
||||
|
||||
advisor:
|
||||
echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope
|
||||
advixe-gui &
|
||||
|
||||
icc-info:
|
||||
icpc -# main.cpp
|
||||
|
||||
|
||||
|
||||
|
||||
176
sheet1/ONEAPI_default.mk
Normal file
176
sheet1/ONEAPI_default.mk
Normal file
|
|
@ -0,0 +1,176 @@
|
|||
# Basic Defintions for using INTEL compiler suite sequentially
|
||||
# requires setting of COMPILER=ONEAPI_
|
||||
|
||||
# https://software.intel.com/content/www/us/en/develop/tools/oneapi/components/onemkl/link-line-advisor.html
|
||||
# requires
|
||||
# source /opt/intel/oneapi/setvars.sh
|
||||
# on AMD: export MKL_DEBUG_CPU_TYPE=5
|
||||
|
||||
#BINDIR = /opt/intel/oneapi/compiler/latest/linux/bin/
|
||||
#MKL_ROOT = /opt/intel/oneapi/mkl/latest/
|
||||
#export KMP_AFFINITY=verbose,compact
|
||||
|
||||
CC = ${BINDIR}icc
|
||||
CXX = ${BINDIR}dpcpp
|
||||
F77 = ${BINDIR}ifort
|
||||
LINKER = ${CXX}
|
||||
|
||||
## Compiler flags
|
||||
WARNINGS = -Wall -Weffc++ -Woverloaded-virtual -Wfloat-equal -Wshadow -pedantic
|
||||
WARNINGS += -Wpessimizing-move -Wredundant-move
|
||||
#-wd2015,2012,2014 -wn3
|
||||
# -Winline -Wredundant-decls -Wunreachable-code
|
||||
# -qopt-subscript-in-range
|
||||
# -vec-threshold0
|
||||
|
||||
CXXFLAGS += -O3 -std=c++17 ${WARNINGS}
|
||||
#CXXFLAGS += -DMKL_ILP64 -I"${MKLROOT}/include"
|
||||
#CXXFLAGS += -DMKL_ILP32 -I"${MKLROOT}/include"
|
||||
LINKFLAGS += -O3
|
||||
|
||||
# interprocedural optimization
|
||||
CXXFLAGS += -ipo
|
||||
LINKFLAGS += -ipo
|
||||
LINKFLAGS += -flto
|
||||
|
||||
# annotated Assembler file
|
||||
ANNOTED = -fsource-asm -S
|
||||
|
||||
#architecture
|
||||
CPU = -march=core-avx2
|
||||
#CPU += -mtp=zen
|
||||
# -xCORE-AVX2
|
||||
# -axcode COMMON-AVX512 -axcode MIC-AVX512 -axcode CORE-AVX512 -axcode CORE-AVX2
|
||||
CXXFLAGS += ${CPU}
|
||||
LINKFLAGS += ${CPU}
|
||||
|
||||
# use MKL by INTEL
|
||||
# https://software.intel.com/content/www/us/en/develop/tools/oneapi/components/onemkl/link-line-advisor.html
|
||||
# sequential MKL
|
||||
# use the 32 bit interface (LP64) instead of 64 bit interface (ILP64)
|
||||
CXXFLAGS += -qmkl=sequential -UMKL_ILP64
|
||||
LINKFLAGS += -O3 -qmkl=sequential -lmkl_intel_lp64 -lmkl_sequential -lmkl_core -lpthread
|
||||
#LINKFLAGS += -O3 -lmkl_intel_lp64 -lmkl_sequential -lmkl_core -lpthread
|
||||
|
||||
# shared libs: https://aur.archlinux.org/packages/intel-oneapi-compiler-static
|
||||
# install intel-oneapi-compiler-static
|
||||
# or
|
||||
LINKFLAGS += -shared-intel
|
||||
|
||||
|
||||
OPENMP = -qopenmp
|
||||
CXXFLAGS += ${OPENMP}
|
||||
LINKFLAGS += ${OPENMP}
|
||||
|
||||
|
||||
# profiling tools
|
||||
#CXXFLAGS += -pg
|
||||
#LINKFLAGS += -pg
|
||||
# -vec-report=3
|
||||
# -qopt-report=5 -qopt-report-phase=vec -qopt-report-phase=openmp
|
||||
# -guide -parallel
|
||||
# -guide-opts=string -guide-par[=n] -guide-vec[=n]
|
||||
# -auto-p32 -simd
|
||||
|
||||
# Reports: https://software.intel.com/en-us/articles/getting-the-most-out-of-your-intel-compiler-with-the-new-optimization-reports
|
||||
#CXXFLAGS += -qopt-report=5 -qopt-report-phase=vec,par
|
||||
#CXXFLAGS += -qopt-report=5 -qopt-report-phase=cg
|
||||
# Redirect report from *.optrpt to stderr
|
||||
# -qopt-report-file=stderr
|
||||
# Guided paralellization
|
||||
# -guide -parallel
|
||||
# -guide-opts=string -guide-par[=n] -guide-vec[=n]
|
||||
# -auto-p32 -simd
|
||||
|
||||
## run time checks
|
||||
# https://www.intel.com/content/www/us/en/develop/documentation/fortran-compiler-oneapi-dev-guide-and-reference/top/compiler-reference/compiler-options/offload-openmp-and-parallel-processing-options/par-runtime-control-qpar-runtime-control.html
|
||||
|
||||
|
||||
default: ${PROGRAM}
|
||||
|
||||
${PROGRAM}: ${OBJECTS}
|
||||
$(LINKER) $^ ${LINKFLAGS} -o $@
|
||||
|
||||
clean:
|
||||
rm -f ${PROGRAM} ${OBJECTS} *.optrpt
|
||||
|
||||
clean_all:: clean
|
||||
@rm -f *_ *~ *.bak *.log *.out *.tar
|
||||
|
||||
run: clean ${PROGRAM}
|
||||
./${PROGRAM}
|
||||
|
||||
# tar the current directory
|
||||
MY_DIR = `basename ${PWD}`
|
||||
tar: clean_all
|
||||
@echo "Tar the directory: " ${MY_DIR}
|
||||
@cd .. ;\
|
||||
tar cf ${MY_DIR}.tar ${MY_DIR} *default.mk ;\
|
||||
cd ${MY_DIR}
|
||||
# tar cf `basename ${PWD}`.tar *
|
||||
|
||||
doc:
|
||||
doxygen Doxyfile
|
||||
|
||||
#########################################################################
|
||||
|
||||
.cpp.o:
|
||||
$(CXX) -c $(CXXFLAGS) -o $@ $<
|
||||
|
||||
.c.o:
|
||||
$(CC) -c $(CFLAGS) -o $@ $<
|
||||
|
||||
.f.o:
|
||||
$(F77) -c $(FFLAGS) -o $@ $<
|
||||
|
||||
##################################################################################################
|
||||
# some tools
|
||||
# Cache behaviour (CXXFLAGS += -g tracks down to source lines)
|
||||
# https://software.intel.com/content/www/us/en/develop/documentation/vtune-help/top/analyze-performance/microarchitecture-analysis-group/memory-access-analysis.html
|
||||
|
||||
mem: inspector
|
||||
prof: vtune
|
||||
cache: inspector
|
||||
|
||||
gap_par_report:
|
||||
${CXX} -c -guide -parallel $(SOURCES) 2> gap.txt
|
||||
|
||||
# GUI for performance report
|
||||
amplifier: ${PROGRAM}
|
||||
echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope
|
||||
echo 0 | sudo tee /proc/sys/kernel/perf_event_paranoid
|
||||
amplxe-gui &
|
||||
|
||||
# GUI for Memory and Thread analyzer (race condition)
|
||||
inspector: ${PROGRAM}
|
||||
echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope
|
||||
# inspxe-gui &
|
||||
vtune-gui ./${PROGRAM} &
|
||||
|
||||
advisor:
|
||||
source /opt/intel/oneapi/advisor/2021.2.0/advixe-vars.sh
|
||||
# /opt/intel/oneapi/advisor/latest/bin64/advixe-gui &
|
||||
advisor --collect=survey ./${PROGRAM}
|
||||
# advisor --collect=roofline ./${PROGRAM}
|
||||
advisor --report=survey --project-dir=./ src:r=./ --format=csv --report-output=./out/survey.csv
|
||||
|
||||
vtune:
|
||||
echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope
|
||||
# https://software.intel.com/en-us/articles/intel-advisor-2017-update-1-what-s-new
|
||||
export ADVIXE_EXPERIMENTAL=roofline
|
||||
vtune -collect hotspots ./${PROGRAM}
|
||||
vtune -report hotspots -r r000hs > vtune.out
|
||||
# vtune-gui ./${PROGRAM} &
|
||||
|
||||
icc-info:
|
||||
icpc -# main.cpp
|
||||
|
||||
# MKL on AMD
|
||||
# https://www.computerbase.de/2019-11/mkl-workaround-erhoeht-leistung-auf-amd-ryzen/
|
||||
#
|
||||
# https://sites.google.com/a/uci.edu/mingru-yang/programming/mkl-has-bad-performance-on-an-amd-cpu
|
||||
# export MKL_DEBUG_CPU_TYPE=5
|
||||
# export MKL_NUM_THRAEDS=1
|
||||
# export MKL_DYNAMIC=false
|
||||
# on Intel compiler
|
||||
# http://publicclu2.blogspot.com/2013/05/intel-complier-suite-reference-card.html
|
||||
93
sheet1/PGI_default.mk
Normal file
93
sheet1/PGI_default.mk
Normal file
|
|
@ -0,0 +1,93 @@
|
|||
# Basic Defintions for using PGI-compiler suite sequentially
|
||||
# requires setting of COMPILER=PGI_
|
||||
# OPTIRUN = optirun
|
||||
|
||||
|
||||
CC = pgcc
|
||||
CXX = pgc++
|
||||
F77 = pgfortran
|
||||
LINKER = ${CXX}
|
||||
|
||||
# on mephisto:
|
||||
#CXXFLAGS += -I/share/apps/atlas/include
|
||||
#LINKFLAGS += -L/share/apps/atlas/lib
|
||||
#LINKFLAGS += -lcblas -latlas
|
||||
|
||||
#LINKFLAGS += -lblas
|
||||
# Der <cblas.h> Header muss mit extern "C" versehen werden, damit g++ alles findet.
|
||||
|
||||
WARNINGS = -Minform=warn
|
||||
# -Wall -pedantic -Wextra -Weffc++ -Woverloaded-virtual -W -Wfloat-equal -Wshadow -Wredundant-decls
|
||||
# -pedantic -Wunreachable-code -Wextra -Winline
|
||||
# -Wunreachable-code
|
||||
|
||||
#PGI_PROFILING = -Minfo=ccff,loop,vect,opt,intensity,mp,accel
|
||||
PGI_PROFILING = -Minfo=ccff,accel,ipa,loop,lre,mp,opt,par,unified,vect,intensity
|
||||
# -Minfo
|
||||
# -Mprof=time
|
||||
# -Mprof=lines
|
||||
# take care with option -Msafeptr
|
||||
CXXFLAGS += -O3 -std=c++17 ${WARNINGS}
|
||||
#CXXFLAGS += -O3 -std=c++11 -DNDEBUG ${PGI_PROFILING} ${WARNINGS}
|
||||
# -fastsse -fargument-noalias ${WARNINGS} -msse3 -vec-report=3
|
||||
|
||||
default: ${PROGRAM}
|
||||
|
||||
${PROGRAM}: ${OBJECTS}
|
||||
$(LINKER) $^ ${LINKFLAGS} -o $@
|
||||
|
||||
clean:
|
||||
@rm -f ${PROGRAM} ${OBJECTS}
|
||||
|
||||
clean_all:: clean
|
||||
@rm -f *_ *~ *.bak *.log *.out *.tar
|
||||
|
||||
run: clean ${PROGRAM}
|
||||
./${PROGRAM}
|
||||
|
||||
# tar the current directory
|
||||
MY_DIR = `basename ${PWD}`
|
||||
tar: clean_all
|
||||
@echo "Tar the directory: " ${MY_DIR}
|
||||
@cd .. ;\
|
||||
tar cf ${MY_DIR}.tar ${MY_DIR} *default.mk ;\
|
||||
cd ${MY_DIR}
|
||||
# tar cf `basename ${PWD}`.tar *
|
||||
|
||||
doc:
|
||||
doxygen Doxyfile
|
||||
|
||||
#########################################################################
|
||||
|
||||
.cpp.o:
|
||||
$(CXX) -c $(CXXFLAGS) -o $@ $<
|
||||
|
||||
.c.o:
|
||||
$(CC) -c $(CFLAGS) -o $@ $<
|
||||
|
||||
.f.o:
|
||||
$(F77) -c $(FFLAGS) -o $@ $<
|
||||
|
||||
##################################################################################################
|
||||
# # some tools
|
||||
# # Simple run time profiling of your code
|
||||
# # CXXFLAGS += -g -pg
|
||||
# # LINKFLAGS += -pg
|
||||
|
||||
|
||||
# Profiling options PGI, see: pgcollect -help
|
||||
# CPU_PROF = -allcache
|
||||
CPU_PROF = -time
|
||||
# GPU_PROF = -cuda=gmem,branch,cc13 -cudainit
|
||||
#GPU_PROF = -cuda=branch:cc20
|
||||
#
|
||||
PROF_FILE = pgprof.out
|
||||
|
||||
cache: prof
|
||||
|
||||
prof: ${PROGRAM}
|
||||
${OPTIRUN} ${BINDIR}pgcollect $(CPU_PROF) ./$^
|
||||
${OPTIRUN} ${BINDIR}pgprof -exe ./$^ $(PROF_FILE) &
|
||||
|
||||
info:
|
||||
pgaccelinfo -v
|
||||
Loading…
Add table
Add a link
Reference in a new issue