ex1

ex1/ABCEFG/GCC_AMD32_default.mk

@@ -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