Makefile

GCC := gcc
GXX := g++
LIB := paragrapher/lib64:$(shell echo "$(LD_LIBRARY_PATH)"|sed 's/:*$$//'):
SHELL := /bin/bash

OBJ := obj
INCLUDE_LIBS := $(addprefix -L , $(subst :, ,$(LIB))) 
INCLUDE_HEADER := $(addprefix -I , $(subst :,/../include ,$(LIB)))

_threads_per_core := $(shell lscpu | grep "Thread(s) per core" | head -n1 | cut -f2 -d":"|xargs)
_total_threads := $(shell nproc --all) #getconf _NPROCESSORS_ONLN
_total_cores := $(shell echo "$(_total_threads)/$(_threads_per_core)"|bc)
_available_threads := $(shell nproc)
_available_cores := $(shell echo "$(_available_threads)/$(_threads_per_core)"|bc)

# _order := {$(shell numactl --hardware | grep cpus | cut -f2 -d":" | xargs | sed -e "s/ /},{/g")}

OMP_WAIT_POLICY := active
ifeq "$(wait_passive)" "1" 
	OMP_WAIT_POLICY := passive
endif

OMP_NUM_THREADS := $(_available_threads)
ifeq "$(threads)" ""
	ifeq "$(no_ht)" "1" 
		# without hyper-threading
		OMP_NUM_THREADS := $(_available_cores)
	endif	
else
	OMP_NUM_THREADS := $(threads)
endif

ifeq "$(energy)" "1"
	EN_FLAG := -D_ENERGY_MEASUREMENT
endif

OMP_VARS := OMP_NUM_THREADS=$(OMP_NUM_THREADS) OMP_DYNAMIC=false OMP_WAIT_POLICY=$(OMP_WAIT_POLICY)

COMPILE_TYPE := -O3 # -DNDEBUG
ifeq "$(debug)" "1"	
	COMPILE_TYPE := -g
endif	

FLAGS := $(EN_FLAG) -Wfatal-errors -lm -fopenmp -lpapi -lnuma -lparagrapher -lrt # -lpfm
COMMON_C_FILES := $(shell find *.c ! -name 'alg*')

$(OBJ)/alg%.obj: alg%.c $(COMMON_C_FILES) Makefile paragrapher FORCE
	mkdir -p $(OBJ)
	@if [ `$(GCC) -dumpversion | cut -f1 -d.` -le 8 ]; then\
		$(GCC) -dumpversion; \
		echo -e "\033[0;33mError:\033[0;37m Version 9 or newer is required for gcc.\n\n";\
		exit -1;\
	fi

	@echo Creating $@
	$(GCC) $(INCLUDE_HEADER) $(FLAGS) $< -std=gnu11  $(COMPILE_TYPE) -c -o $@ 
	@echo 

alg%: $(OBJ)/alg%.obj $(COMMON_C_FILES) Makefile
	@echo Building $@ 
	$(GCC) $(INCLUDE_LIBS) $(OBJ)/$@.obj $(FLAGS) -o $(OBJ)/alg$*.o
	@echo ""
	@echo -e "\nExecuting $@"
	@echo -e "#threads_per_core: "$(_threads_per_core)
	@echo -e "#total_cores: "$(_total_cores)
	@echo -e "#total_threads: "$(_total_threads)
	@echo -e "#available_cores: "$(_available_cores)
	@echo -e "#available_threads: "$(_available_threads) 
	@echo -e "args: "$(args)
	@echo -e "OMP_NUM_THREADS: "$(OMP_NUM_THREADS)
	PARAGRAPHER_LIB_FOLDER=paragrapher/lib64 LD_LIBRARY_PATH=$(LIB) $(OMP_VARS) $(OBJ)/alg$*.o $(args)

all: paragrapher Makefile
	
paragrapher: FORCE
	make -C paragrapher all

download_sample_WG400:
	@if [ ! -f data/cnr-2000.graph ]; then \
		echo -e "--------------------\n\033[1;34mDownloading cnr-2000\033[0;37m"; \
		wget -P data "http://data.law.di.unimi.it/webdata/cnr-2000/cnr-2000.graph"; \
		wget -P data "http://data.law.di.unimi.it/webdata/cnr-2000/cnr-2000.properties"; \
		echo -e "--------------------\n";\
	fi

alg5_rand_mem_bench.c: benchmarks/l3_rwa.tpl.c benchmarks/l3_rwa_builder.sh
	@echo -e "\nCreating the benchmarks"
	benchmarks/l3_rwa_builder.sh

tests:
	make $(subst .c,,$(shell ls alg*.c))
	
clean:
	rm -f $(OBJ)/*.obj $(OBJ)/*.o
	make -C paragrapher clean
	touch *.c 

clean_shm_graphs:
	rm -f /dev/shm/ll_graph*
	
touch:
	touch *.c 

FORCE: ;

# .SUFFIXES:

# .keep_exec_files: $(addprefix $(OBJ)/,$(subst .c,.obj, $(shell ls *.c)))