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95 lines
2.6 KiB
95 lines
2.6 KiB
CC := g++-10
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NVCC := nvcc
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CFLAGS := -std=c++17 -MMD -Wall -fopenmp
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NVCC_FLAGS := -std=c++17 -MMD -Xcudafe="--diag_suppress=20012" -Xcompiler -fopenmp
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INCLUDE := ../../include/CudaTools
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LIBS_DIR :=
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LIBS_DIR_GPU := /usr/local/cuda/lib64
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LIBS :=
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LIBS_GPU := cuda cudart cublas
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TARGET = coreKernel
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SRC_DIR = .
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BUILD_DIR = build
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# Should not need to modify below.
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CPU_BUILD_DIR = $(BUILD_DIR)/cpu
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GPU_BUILD_DIR = $(BUILD_DIR)/gpu
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SRC = $(wildcard $(SRC_DIR)/*/*.cpp) $(wildcard $(SRC_DIR)/*.cpp)
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# Get source files and object files.
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GCC_SRC = $(filter-out %.cu.cpp ,$(SRC))
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NVCC_SRC = $(filter %.cu.cpp, $(SRC))
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GCC_OBJ = $(GCC_SRC:$(SRC_DIR)/%.cpp=%.o)
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NVCC_OBJ = $(NVCC_SRC:$(SRC_DIR)/%.cpp=%.o)
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# If compiling for CPU, all go to GCC. Otherwise, they are split.
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CPU_OBJ = $(addprefix $(CPU_BUILD_DIR)/,$(GCC_OBJ)) $(addprefix $(CPU_BUILD_DIR)/,$(NVCC_OBJ))
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GPU_GCC_OBJ = $(addprefix $(GPU_BUILD_DIR)/,$(GCC_OBJ))
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GPU_NVCC_OBJ = $(addprefix $(GPU_BUILD_DIR)/,$(NVCC_OBJ))
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# $(info $$GCC_SRC is [${GCC_SRC}])
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# $(info $$NVCC_SRC is [${NVCC_SRC}])
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# $(info $$GCC_OBJ is [${GCC_OBJ}])
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# $(info $$NVCC_OBJ is [${NVCC_OBJ}])
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# $(info $$CPU_OBJ is [${CPU_OBJ}])
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# $(info $$GPU_GCC_OBJ is [${GPU_GCC_OBJ}])
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# $(info $$GPU_NVCC_OBJ is [${GPU_NVCC_OBJ}])
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HEADER = $(wildcard $(SRC_DIR)/*/*.h) $(wildcard $(SRC_DIR)/*.h)
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CPU_DEPS = $(wildcard $(CPU_BUILD_DIR)/*.d)
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GPU_DEPS = $(wildcard $(GPU_BUILD_DIR)/*.d)
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INC := $(INCLUDE:%=-I%)
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LIB := $(LIBS_DIR:%=-L%)
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LIB_GPU := $(LIBS_DIR_GPU:%=-L%)
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LD := $(LIBS:%=-l%)
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LD_GPU := $(LIBS_GPU:%=-l%)
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# Reminder:
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# $< = first prerequisite
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# $@ = the target which matched the rule
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# $^ = all prerequisites
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.PHONY: all clean
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all : cpu gpu
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cpu: $(TARGET)CPU
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gpu: $(TARGET)GPU
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$(TARGET)CPU: $(CPU_OBJ)
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$(CC) $(CFLAGS) $^ -o $@ $(INC) $(LIB) $(LD)
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$(CPU_BUILD_DIR)/%.o $(CPU_BUILD_DIR)/%.cu.o: $(SRC_DIR)/%.cpp | $(CPU_BUILD_DIR)
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$(CC) $(CFLAGS) -c -o $@ $< $(INC)
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# For GPU, we need to build the NVCC objects, the NVCC linked object, and the
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# regular ones. Then, we link them all together.
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$(TARGET)GPU: $(GPU_BUILD_DIR)/link.o $(GPU_GCC_OBJ) | $(GPU_BUILD_DIR)
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$(CC) -g -DCUDA $(CFLAGS) $(GPU_NVCC_OBJ) $^ -o $@ $(INC) $(LIB) $(LIB_GPU) $(LD) $(LD_GPU)
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$(GPU_BUILD_DIR)/link.o: $(GPU_NVCC_OBJ) | $(GPU_BUILD_DIR)
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$(NVCC) --device-link $^ -o $@
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$(GPU_BUILD_DIR)/%.cu.o: $(SRC_DIR)/%.cu.cpp | $(GPU_BUILD_DIR)
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$(NVCC) $(NVCC_FLAGS) -DCUDA -x cu --device-c -o $@ $< $(INC)
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$(GPU_BUILD_DIR)/%.o: $(SRC_DIR)/%.cpp | $(GPU_BUILD_DIR)
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$(CC) $(CFLAGS) -g -DCUDA -c -o $@ $< $(INC)
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-include $(CPU_DEPS)
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-include $(GPU_DEPS)
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$(CPU_BUILD_DIR):
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mkdir -p $@
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$(GPU_BUILD_DIR):
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mkdir -p $@
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clean:
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rm -Rf $(BUILD_DIR) $(TARGET)CPU $(TARGET)GPU
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