169 lines
4.7 KiB
Makefile
169 lines
4.7 KiB
Makefile
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# Compiler and flags
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CC := g++
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CXXFLAGS := -std=c++14 -Wall -Iinclude -O3 -march=native -fopenmp
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LDFLAGS := -fopenmp
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# Compiles .h files when there's been a change
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DEPFLAGS := -MMD -MP
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CXX ?= g++
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# Directories
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SRC_DIR := src
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INC_DIR := include
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OBJ_DIR := obj
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BIN_DIR := bin
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TEST_BIN := $(BIN_DIR)/tests
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#
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# === Executable Name ===
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TARGET := $(BIN_DIR)/abc_lab
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# === Find all .cpp files recursively in src/ ===
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SRCS := $(shell find $(SRC_DIR) -name '*.cpp')
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# === Convert src/foo/bar.cpp → obj/foo/bar.o ===
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OBJS := $(patsubst $(SRC_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(SRCS))
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# === Test sources ===
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TEST_SRCS := $(shell find test -name 'test_*.cpp')
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TEST_OBJS := $(patsubst test/%.cpp, $(OBJ_DIR)/test/%.o, $(TEST_SRCS))
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# Compiles .h files when there's been a change
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DEPS := $(OBJS:.o=.d) $(TEST_OBJS:.o=.d) $(TEST_MAIN:.o=.d)
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-include $(DEPS)
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# The single file that defines TEST_MAIN / main()
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TEST_MAIN := $(OBJ_DIR)/test/test_all.o
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# === OpenMP runtime configuration (override-able) ===
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OMP_PROC_BIND ?= close # close|spread|master
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OMP_PLACES ?= cores # cores|threads|sockets
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OMP_MAX_LEVELS ?= 1 # 1 = no nested teams; set 2+ to allow nesting
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OMP_THREADS ?= 16 # e.g. "16" or "8,4" for nested (outer,inner)
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OMP_DYNAMIC ?= TRUE # TRUE/FALSE: let runtime adjust threads
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OMP_SCHEDULE ?= STATIC # STATIC recommended for matvec/matmul
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OMP_DISPLAY_ENV ?= FALSE # TRUE to print runtime config at startup
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# Export OMP defaults so child makes or tools see them (not strictly required)
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export OMP_PROC_BIND
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export OMP_PLACES
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export OMP_MAX_LEVELS
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export OMP_THREADS
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export OMP_DYNAMIC
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export OMP_SCHEDULE
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export OMP_DISPLAY_ENV
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# What belongs to "run" vs "test"
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RUN_DEPS := $(OBJS:.o=.d)
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TEST_DEPS := $(TEST_OBJS:.o=.d) $(TEST_MAIN:.o=.d)
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RUN_ARTIFACTS := $(TARGET) $(OBJS) $(RUN_DEPS)
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TEST_ARTIFACTS := $(TEST_BIN) $(TEST_OBJS) $(TEST_MAIN) $(TEST_DEPS)
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# === Default Target ===
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all: $(TARGET)
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# === Linking final executable ===
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$(TARGET): $(OBJS)
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@mkdir -p $(dir $@)
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$(CXX) $(CXXFLAGS) -o $@ $^ $(LDFLAGS)
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# === Compiling source files to object files ===
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
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@mkdir -p $(dir $@)
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$(CXX) $(CXXFLAGS) $(DEPFLAGS) -c $< -o $@
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# === Run with OpenMP env set only for the run ===
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.PHONY: run
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run: clean-test $(TARGET)
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@echo ">>> OMP_PROC_BIND=$(OMP_PROC_BIND)"
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@echo ">>> OMP_PLACES=$(OMP_PLACES)"
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@echo ">>> OMP_MAX_ACTIVE_LEVELS=$(OMP_MAX_LEVELS)"
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@echo ">>> OMP_NUM_THREADS=$(OMP_THREADS)"
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@echo ">>> OMP_DYNAMIC=$(OMP_DYNAMIC)"
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@echo ">>> OMP_SCHEDULE=$(OMP_SCHEDULE)"
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@echo ">>> OMP_DISPLAY_ENV=$(OMP_DISPLAY_ENV)"
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@OMP_PROC_BIND=$(OMP_PROC_BIND) \
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OMP_PLACES=$(OMP_PLACES) \
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OMP_MAX_ACTIVE_LEVELS=$(OMP_MAX_LEVELS) \
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OMP_NUM_THREADS="$(OMP_THREADS)" \
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OMP_DYNAMIC=$(OMP_DYNAMIC) \
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OMP_SCHEDULE=$(OMP_SCHEDULE) \
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OMP_DISPLAY_ENV=$(OMP_DISPLAY_ENV) \
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./$(TARGET)
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# Handy presets
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.PHONY: run-single-core
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run-single-core: ## Single-level one core (good default)
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$(MAKE) run OMP_MAX_LEVELS=1 OMP_THREADS=1 OMP_PROC_BIND=close OMP_PLACES=cores
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# Handy presets
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.PHONY: run-multi-core
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run-multi-core: ## Single-level parallel (good default)
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$(MAKE) run OMP_MAX_LEVELS=1 OMP_THREADS=16 OMP_PROC_BIND=close OMP_PLACES=cores
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.PHONY: run-nested-multi-core
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run-nested-multi-core: ## Two-level nested (outer,inner), adjust to your cores
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$(MAKE) run OMP_MAX_LEVELS=2 OMP_THREADS="2,8" OMP_PROC_BIND=close OMP_PLACES=cores
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# Optional: print debug info
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.PHONY: info
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info:
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@echo "Source files: $(SRCS)"
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@echo "Object files: $(OBJS)"
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@echo "CXXFLAGS: $(CXXFLAGS)"
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@echo "LDFLAGS: $(LDFLAGS)"
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.PHONY: test
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test: clean-run $(TEST_BIN)
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@echo ">>> OMP_PROC_BIND=$(OMP_PROC_BIND)"
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@echo ">>> OMP_PLACES=$(OMP_PLACES)"
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@echo ">>> OMP_MAX_ACTIVE_LEVELS=$(OMP_MAX_LEVELS)"
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@echo ">>> OMP_NUM_THREADS=$(OMP_THREADS)"
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@echo ">>> OMP_DYNAMIC=$(OMP_DYNAMIC)"
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@echo ">>> OMP_SCHEDULE=$(OMP_SCHEDULE)"
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@echo ">>> OMP_DISPLAY_ENV=$(OMP_DISPLAY_ENV)"
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@OMP_PROC_BIND=$(OMP_PROC_BIND) \
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OMP_PLACES=$(OMP_PLACES) \
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OMP_MAX_ACTIVE_LEVELS=$(OMP_MAX_LEVELS) \
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OMP_NUM_THREADS="$(OMP_THREADS)" \
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OMP_DYNAMIC=$(OMP_DYNAMIC) \
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OMP_SCHEDULE=$(OMP_SCHEDULE) \
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OMP_DISPLAY_ENV=$(OMP_DISPLAY_ENV) \
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$(TEST_BIN)
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$(TEST_BIN): $(TEST_OBJS) $(TEST_MAIN)
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@mkdir -p $(BIN_DIR)
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$(CXX) $(CXXFLAGS) -o $@ $^ $(LDFLAGS)
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$(OBJ_DIR)/test/%.o: test/%.cpp
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@mkdir -p $(dir $@)
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$(CXX) $(CXXFLAGS) $(DEPFLAGS) -c $< -o $@
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# Clean up
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.PHONY: clean
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clean:
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rm -rf $(OBJ_DIR) $(BIN_DIR)
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.PHONY: clean-run clean-test
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clean-run:
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@echo "Cleaning run artifacts..."
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@rm -f $(RUN_ARTIFACTS)
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clean-test:
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@echo "Cleaning test artifacts..."
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@rm -f $(TEST_ARTIFACTS)
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