sheet 4
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Markus Schmidt
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183
sheet4/GCC_default.mk
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183
sheet4/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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#LINKFLAGS += -lblas
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# The <cblas.h> header requires extern "C".
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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 -march=native ${WARNINGS}
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CXXFLAGS += -O0 -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 -O0 -DNDEBUG -msse3 -fopenmp -fdump-tree-vect-details
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# CFLAGS = -ffast-math -O0 -funroll-loops -DNDEBUG -msse3 -fopenmp -ftree-vectorizer-verbose=2
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# #CFLAGS = -ffast-math -O0 -DNDEBUG -msse3 -fopenmp
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# FFLAGS = -ffast-math -O0 -DNDEBUG -msse3 -fopenmp
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# LFLAGS = -ffast-math -O0 -DNDEBUG -msse3 -fopenmp
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LINKFLAGS += -O0
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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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# profiling tools
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#CXXFLAGS += -pg
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#LINKFLAGS += -pg
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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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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 --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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