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131
Sheet5/CLANG_default.mk
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131
Sheet5/CLANG_default.mk
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# Basic Defintions for using GNU-compiler suite sequentially
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# requires setting of COMPILER=CLANG_
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# https://llvm.org/docs/CompileCudaWithLLVM.html
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# https://llvm.org/docs/NVPTXUsage.html
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#CLANGPATH=//usr/lib/llvm-10/bin/
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CC = ${CLANGPATH}clang
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CXX = ${CLANGPATH}clang++
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#CXX = ${CLANGPATH}clang++ -lomptarget -fopenmp-targets=nvptx64-nvidia-cuda --cuda-path=/opt/pgi/linux86-64/2017/cuda/8.0
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#F77 = gfortran
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LINKER = ${CXX}
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#http://clang.llvm.org/docs/UsersManual.html#options-to-control-error-and-warning-messages
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WARNINGS += -pedantic -Weverything -Wdocumentation -Wconversion -Wshadow -Wfloat-conversion
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WARNINGS += -Wno-c++98-compat -Wno-sign-conversion -Wno-date-time -Wno-shorten-64-to-32 -Wno-padded -ferror-limit=1
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WARNINGS += -Wno-unsafe-buffer-usage
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#-fsyntax-only -Wdocumentation -Wconversion -Wshadow -Wfloat-conversion -pedantic
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CXXFLAGS += -O3 -std=c++17 -ferror-limit=1 ${WARNINGS}
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# don't use -Ofast
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# -ftrapv
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LINKFLAGS += -O3
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# different libraries in Ubuntu or manajaró
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ifndef UBUNTU
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UBUNTU=1
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endif
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# BLAS, LAPACK
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LINKFLAGS += -llapack -lblas
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# -lopenblas
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ifeq ($(UBUNTU),1)
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# ubuntu
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else
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# on archlinux
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LINKFLAGS += -lcblas
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endif
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# interprocedural optimization
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CXXFLAGS += -flto
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LINKFLAGS += -flto
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#sudo apt install libomp-dev
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# OpenMP
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CXXFLAGS += -fopenmp
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LINKFLAGS += -fopenmp
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# very good check
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# http://clang.llvm.org/extra/clang-tidy/
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# good check, see: http://llvm.org/docs/CodingStandards.html#include-style
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SWITCH_OFF=,-readability-magic-numbers,-readability-redundant-control-flow,-readability-redundant-member-init
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SWITCH_OFF+=,-readability-redundant-member-init,-readability-isolate-declaration
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#READABILITY=,readability*${SWITCH_OFF}
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#TIDYFLAGS = -checks=llvm-*,-llvm-header-guard -header-filter=.* -enable-check-profile -extra-arg="-std=c++17" -extra-arg="-fopenmp"
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TIDYFLAGS = -checks=llvm-*,-llvm-header-guard${READABILITY} -header-filter=.* -enable-check-profile -extra-arg="-std=c++17" -extra-arg="-fopenmp"
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#TIDYFLAGS += -checks='modernize*
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# ???
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#TIDYFLAGS = -checks='cert*' -header-filter=.*
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# MPI checks ??
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#TIDYFLAGS = -checks='mpi*'
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# ??
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#TIDYFLAGS = -checks='performance*' -header-filter=.*
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#TIDYFLAGS = -checks='portability-*' -header-filter=.*
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#TIDYFLAGS = -checks='readability-*' -header-filter=.*
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default: ${PROGRAM}
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${PROGRAM}: ${OBJECTS}
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$(LINKER) $^ ${LINKFLAGS} -o $@
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clean:
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@rm -f ${PROGRAM} ${OBJECTS}
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clean_all:: clean
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@rm -f *_ *~ *.bak *.log *.out *.tar
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codecheck: tidy_check
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tidy_check:
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clang-tidy ${SOURCES} ${TIDYFLAGS} -- ${SOURCES}
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# see also http://clang-developers.42468.n3.nabble.com/Error-while-trying-to-load-a-compilation-database-td4049722.html
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run: clean ${PROGRAM}
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# time ./${PROGRAM} ${PARAMS}
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./${PROGRAM} ${PARAMS}
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# tar the current directory
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MY_DIR = `basename ${PWD}`
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tar: clean_all
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@echo "Tar the directory: " ${MY_DIR}
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@cd .. ;\
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tar cf ${MY_DIR}.tar ${MY_DIR} *default.mk ;\
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cd ${MY_DIR}
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# tar cf `basename ${PWD}`.tar *
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doc:
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doxygen Doxyfile
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#########################################################################
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.cpp.o:
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$(CXX) -c $(CXXFLAGS) -o $@ $<
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.c.o:
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$(CC) -c $(CFLAGS) -o $@ $<
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.f.o:
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$(F77) -c $(FFLAGS) -o $@ $<
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##################################################################################################
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# some tools
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# Cache behaviour (CXXFLAGS += -g tracks down to source lines; no -pg in linkflags)
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cache: ${PROGRAM}
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valgrind --tool=callgrind --simulate-cache=yes ./$^ ${PARAMS}
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# kcachegrind callgrind.out.<pid> &
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kcachegrind `ls -1tr callgrind.out.* |tail -1`
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# Check for wrong memory accesses, memory leaks, ...
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# use smaller data sets
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mem: ${PROGRAM}
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valgrind -v --leak-check=yes --tool=memcheck --undef-value-errors=yes --track-origins=yes --log-file=$^.addr.out --show-reachable=yes ./$^ ${PARAMS}
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# Simple run time profiling of your code
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# CXXFLAGS += -g -pg
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# LINKFLAGS += -pg
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prof: ${PROGRAM}
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perf record ./$^ ${PARAMS}
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perf report
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# gprof -b ./$^ > gp.out
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# kprof -f gp.out -p gprof &
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codecheck: tidy_check
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182
Sheet5/GCC_default.mk
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182
Sheet5/GCC_default.mk
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# Basic Defintions for using GNU-compiler suite sequentially
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# requires setting of COMPILER=GCC_
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CC = gcc
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CXX = g++
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F77 = gfortran
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LINKER = ${CXX}
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WARNINGS = -Wall -pedantic -Wextra -Weffc++ -Woverloaded-virtual -Wfloat-equal -Wshadow \
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-Wredundant-decls -Winline -fmax-errors=1
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# -Wunreachable-code
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CXXFLAGS += -ffast-math -O3 -march=native -std=c++20 ${WARNINGS}
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#CXXFLAGS += -Ofast -funroll-all-loops -std=c++17 ${WARNINGS}
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#-msse3
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# -ftree-vectorizer-verbose=2 -DNDEBUG
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# -ftree-vectorizer-verbose=5
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# -ftree-vectorize -fdump-tree-vect-blocks=foo.dump -fdump-tree-pre=stderr
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# CFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp -fdump-tree-vect-details
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# CFLAGS = -ffast-math -O3 -funroll-loops -DNDEBUG -msse3 -fopenmp -ftree-vectorizer-verbose=2
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# #CFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp
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# FFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp
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# LFLAGS = -ffast-math -O3 -DNDEBUG -msse3 -fopenmp
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LINKFLAGS += -O3
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#architecture
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#CPU = -march=znver2
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CXXFLAGS += ${CPU}
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LINKFLAGS += ${CPU}
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# different libraries in Ubuntu or manajaró
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ifndef UBUNTU
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UBUNTU=1
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endif
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# BLAS, LAPACK
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ifeq ($(UBUNTU),1)
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LINKFLAGS += -llapack -lblas
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# -lopenblas
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else
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# on archlinux
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LINKFLAGS += -llapack -lopenblas -lcblas
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endif
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# interprocedural optimization
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CXXFLAGS += -flto
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LINKFLAGS += -flto
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# for debugging purpose (save code)
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# -fsanitize=leak # only one out the three can be used
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# -fsanitize=address
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# -fsanitize=thread
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SANITARY = -fsanitize=address -fsanitize=undefined -fsanitize=null -fsanitize=return \
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-fsanitize=bounds -fsanitize=alignment -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow \
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-fsanitize=bool -fsanitize=enum -fsanitize=vptr
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#CXXFLAGS += ${SANITARY}
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#LINKFLAGS += ${SANITARY}
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# OpenMP
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CXXFLAGS += -fopenmp
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LINKFLAGS += -fopenmp
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default: ${PROGRAM}
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${PROGRAM}: ${OBJECTS}
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$(LINKER) $^ ${LINKFLAGS} -o $@
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clean:
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@rm -f ${PROGRAM} ${OBJECTS}
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clean_all:: clean
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-@rm -f *_ *~ *.bak *.log *.out *.tar *.orig *.optrpt
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-@rm -rf html
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run: clean ${PROGRAM}
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#run: ${PROGRAM}
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# time ./${PROGRAM} ${PARAMS}
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./${PROGRAM} ${PARAMS}
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# tar the current directory
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MY_DIR = `basename ${PWD}`
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tar: clean_all
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@echo "Tar the directory: " ${MY_DIR}
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@cd .. ;\
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tar cf ${MY_DIR}.tar ${MY_DIR} *default.mk ;\
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cd ${MY_DIR}
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# tar cf `basename ${PWD}`.tar *
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#find . -size +10M > large_files
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#--exclude-from ${MY_DIR}/large_files
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zip: clean
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@echo "Zip the directory: " ${MY_DIR}
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@cd .. ;\
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zip -r ${MY_DIR}.zip ${MY_DIR} *default.mk ;\
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cd ${MY_DIR}
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doc:
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doxygen Doxyfile
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#########################################################################
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.SUFFIXES: .f90
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.cpp.o:
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$(CXX) -c $(CXXFLAGS) -o $@ $<
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# $(CXX) -c $(CXXFLAGS) -o $@ $< 2>&1 | tee -a $<.log
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# $(CXX) -c $(CXXFLAGS) -o $@ $< 2>&1 | tee -a $(<:.cpp=.log)
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.c.o:
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$(CC) -c $(CFLAGS) -o $@ $<
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.f.o:
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$(F77) -c $(FFLAGS) -o $@ $<
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.f90.o:
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$(F77) -c $(FFLAGS) -o $@ $<
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##################################################################################################
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# some tools
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# Cache behaviour (CXXFLAGS += -g tracks down to source lines; no -pg in linkflags)
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cache: ${PROGRAM}
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valgrind --tool=callgrind --simulate-cache=yes ./$^ ${PARAMS}
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# kcachegrind callgrind.out.<pid> &
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kcachegrind `ls -1tr callgrind.out.* |tail -1`
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# Check for wrong memory accesses, memory leaks, ...
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# use smaller data sets
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# no "-pg" in compile/link options
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mem: ${PROGRAM}
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valgrind -v --leak-check=yes --tool=memcheck --undef-value-errors=yes --track-origins=yes --log-file=$^.addr.out --show-reachable=yes ./$^ ${PARAMS}
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# Graphical interface
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# valkyrie
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# Simple run time profiling of your code
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# CXXFLAGS += -g -pg
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# LINKFLAGS += -pg
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prof: ${PROGRAM}
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perf record ./$^ ${PARAMS}
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perf report
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# gprof -b ./$^ > gp.out
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# kprof -f gp.out -p gprof &
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# perf in Ubuntu 20.04: https://www.howtoforge.com/how-to-install-perf-performance-analysis-tool-on-ubuntu-20-04/
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# * install
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# * sudo vi /etc/sysctl.conf
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# add kernel.perf_event_paranoid = 0
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#Trace your heap:
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#> heaptrack ./main.GCC_
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#> heaptrack_gui heaptrack.main.GCC_.<pid>.gz
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heap: ${PROGRAM}
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heaptrack ./$^ ${PARAMS} 11
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heaptrack_gui `ls -1tr heaptrack.$^.* |tail -1` &
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codecheck: $(SOURCES)
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cppcheck --enable=all --inconclusive --std=c++17 -I${CUDA_INC} --suppress=missingIncludeSystem $^
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########################################################################
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# get the detailed status of all optimization flags
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info:
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echo "detailed status of all optimization flags"
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$(CXX) --version
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$(CXX) -Q $(CXXFLAGS) --help=optimizers
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lscpu
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inxi -C
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lstopo
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# Excellent hardware info
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# hardinfo
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# Life monitoring of CPU frequency etc.
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# sudo i7z
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# Memory consumption
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# vmstat -at -SM 3
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# xfce4-taskmanager
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# https://www.tecmint.com/check-linux-cpu-information/
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#https://www.tecmint.com/monitor-cpu-and-gpu-temperature-in-ubuntu/
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# Debugging:
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# https://wiki.archlinux.org/index.php/Debugging
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30
Sheet5/Makefile
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30
Sheet5/Makefile
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@ -0,0 +1,30 @@
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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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EX=Ex1
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SOURCES = main${EX}.cpp mylib.cpp bench_funcs.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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