Makefile.cuda

NVCC ?= /usr/local/cuda/bin/nvcc

CUDA_COMPILER_OPTIONS := ${CFLAGS} -Wextra -Wall -O2
CUDA_COMPILER_OPTIONS := $(foreach option, $(CUDA_COMPILER_OPTIONS), --compiler-options $(option))

# FLAGS
CFLAGS:= ${CFLAGS} -O2 -Wall -Wextra -Wpedantic -march=native -std=c11 -DDEBUG -fopenmp
CUDAFLAGS:= -ccbin=gcc
LDFLAGS := -fopenmp


SRCDIR = src
OBJDIR = obj

all: hybrid_${ARCH} dat2heat vel2heat vel2heat_scale

# Link hybrid
hybrid_${ARCH}: $(OBJDIR)/kernel.o $(OBJDIR)/mpi_cuda.o $(OBJDIR)/geometry.o
	mpicc $^ -lcudart -L/usr/local/cuda/lib64 -o $@ -lm

dat2heat: dat2heat.c
	mpicc ${CFLAGS} $^ -o $@ -lm

dat2vel: dat2vel.c
	mpicc ${CFLAGS} $^ -o $@ -lm

vel2heat: vel2heat.c
	mpicc ${CFLAGS} $^ -o $@ -lm

vel2heat_scale: vel2heat_scale.c
	mpicc ${CFLAGS} $^ -o $@ -lm

$(OBJDIR)/kernel.o: $(SRCDIR)/lbm.cu
	$(NVCC) $(CUDA_COMPILER_OPTIONS) $(MPI_COMPILE_FLAGS) -c $< -o $@

$(OBJDIR)/host_kernel.o: $(SRCDIR)/host_kernel.c
	mpicc $(CFLAGS) -c $< -o $@ -lm

$(OBJDIR)/geometry.o: $(SRCDIR)/geometry.c
	mpicc $(CFLAGS) -DCUDA -c $< -o $@ -lm

$(OBJDIR)/mpi_cuda.o: $(SRCDIR)/lbm.c
	mpicc $(CFLAGS) -DCUDA -c $< -o $@ -lm

$(OBJDIR)/mpi.o: $(SRCDIR)/lbm.c
	mpicc $(CFLAGS) -O2 -c $< -o $@ -lm

# Link mpi
mpi: $(OBJDIR)/mpi.o $(OBJDIR)/host_kernel.o
	mpicc $(LDFLAGS) $^ -o $@ -lm


.PHONY: run clean purge

run: hybrid_${ARCH}
	mpirun $^

clean:
	-rm -f vel2heat vel2heat_scale dat2heat hybrid_${ARCH} mpi data/* output core.* obj/*

purge: clean
	rm -rf *.o*