ex5

ex5/demo_skalar/GCC_SINGLE_default.mk

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+# 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 -L/usr/lib64/atlas
+#LINKFLAGS   += -latlas -lcblas
+#LINKFLAGS   += -lblas
+# Der <cblas.h> Header muss mit extern "C" versehen werden, damit g++ alles findet.
+
+
+WARNINGS = -Wall -pedantic -Wextra -Weffc++ -Woverloaded-virtual -Wfloat-equal -Wshadow \
+           -Wredundant-decls -Winline -fmax-errors=1
+#  -Wunreachable-code
+#CXXFLAGS += -std=c++17 -ffast-math -O3 -march=native -DNDEBUG ${WARNINGS}
+CXXFLAGS += -std=c++17 -ffast-math -O3 -march=native ${WARNINGS}
+
+# info on vectorization
+#VECTORIZE = -ftree-vectorize -fdump-tree-vect-blocks=foo.dump
+#-fdump-tree-pre=stderr
+VECTORIZE = -ftree-vectorize -fopt-info -ftree-vectorizer-verbose=5
+#CXXFLAGS += ${VECTORIZE}
+# -funroll-all-loops   -msse3
+#GCC  -march=knl -march=broadwell -march=haswell
+
+# interprocedural optimization
+#CXXFLAGS += -flto
+LINKFLAGS += -flto
+
+# for debugging purpose (save code)
+# -fsanitize=leak         # only one out the trhee 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}
+
+# OpenMP  but no OpenMP in Single mode
+#CXXFLAGS += -fopenmp
+LINKFLAGS += -fopenmp
+
+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 ${PROGRAM}
+#	time  ./${PROGRAM}
+	./${PROGRAM}
+
+# 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
+mem: ${PROGRAM}
+	valgrind -v --leak-check=yes --tool=memcheck --undef-value-errors=yes --track-origins=yes --log-file=$^.addr.out --show-reachable=yes ./$^
+
+
+thread:${PROGRAM}
+	valgrind -v --tool=helgrind --log-file=$^.thread.out ./$^
+
+#  Simple run time profiling of your code
+#  CXXFLAGS += -g -pg
+#  LINKFLAGS += -pg
+prof: ${PROGRAM}
+	./$^
+	gprof -b ./$^ > gp.out
+#	kprof -f gp.out -p gprof &