CFLAGS?=-Wall -Wextra

ifeq ($(shell perf --help 2>/dev/null >/dev/null && echo y),y)
runntimes = perf stat -r $(1) $(2)
runntimesandlog = script -a -q -c "$(runntimes)" $(3)
else
# Run a command several times
# @param N Number of time to run the command
# @param cmd Command to run
# @result Run command cmd N times
runntimes = for runi in $$(seq $(1)) ; do time $(2) ; done
runntimesandlog = touch $(3) ; { $(runntimes) } >>$(3) 2>&1
endif

test:
	$(call runntimes,5,echo toto)
	$(call runntimesandlog,5,echo toto,tototest)

all: allfmr alllattice alltemplate

allfmr: fmr_omp-str_base-prog fmr_omp-str_base-prog-fopenmp

alllattice: lattice-prog-1 lattice-prog-fopenmp-2 lattice-prog-fopenmp-4 lattice-prog-fopenmp-8 lattice-prog-fopenmp-12

alltemplate: pipeline_template-prog-1 pipeline_template-prog-fopenmp-2 pipeline_template-prog-fopenmp-4 pipeline_template-prog-fopenmp-8 pipeline_template-prog-fopenmp-12

runall: runallfmr runalllattice runalltemplate

runallfmr: runfmrprog runfmrprog-fopenmp

runalllattice: runlatticeprog-1 runlatticeprog-fopenmp-2 runlatticeprog-fopenmp-4 runlatticeprog-fopenmp-8 runlatticeprog-fopenmp-12

runalltemplate: runtemplateprog-1 runtemplateprog-fopenmp-2 runtemplateprog-fopenmp-4 runtemplateprog-fopenmp-8 runtemplateprog-fopenmp-12

fmr_omp-str_base-%: fmr_omp-str_base.c
	gcc $(CFLAGS) $(subst prog,,$*) -o $@ $< -lm

runfmr%: fmr_omp-str_base-%
	mkdir -p logs
	./$< input_20.dat 2>/dev/null
	$(call runntimesandlog,10,./$< input_20.dat,logs/$<-$$(date +%Y-%m-%d_%H-%M-%S).log)
	rm fmr_omp-str_base-$*.txt

lattice-prog-%: lattice.c
	NUM=$*;OPT=-$*;gcc $(CFLAGS) -DNB_CORES=$${NUM##*-} $${OPT%-*} -o $@ $<

runlattice%: lattice-%
	mkdir -p logs
	./$< -p 10000 2>/dev/null
	$(call runntimesandlog,10,./$< -p 10000,logs/$<-$$(date +%Y-%m-%d_%H-%M-%S).log)

pipeline_template-prog-%: pipeline_template.c
	NUM=$*;OPT=-$*;gcc $(CFLAGS) -DNB_CORES=$${NUM##*-} $${OPT%-*} -o $@ $< -lrt

runtemplate%: pipeline_template-%
	mkdir -p logs
	./$< -p 10000 2>/dev/null
	$(call runntimesandlog,10,./$< -p 10000 -s 480000,logs/$<-$$(date +%Y-%m-%d_%H-%M-%S).log)

.PHONY: all allfmr alllattice runall runfmr runfmr% runlattice runlattice%