ex3

ex3/stream/CLANG_default.mk

@@ -0,0 +1,124 @@
+# 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 
+WARNINGS += -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-sign-conversion -Wno-date-time -Wno-shorten-64-to-32 -Wno-padded 
+WARNINGS += -Wdocumentation -Wconversion -Wshadow -Wfloat-conversion -pedantic -ferror-limit=1
+#-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