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75 lines
1.7 KiB
75 lines
1.7 KiB
SRC=$(wildcard src/*.cpp)
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INCLUDE =include
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_HX_FEAT?= -DFIXED_ROW_SIZE=24
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CXXFLAGS?= -pipe -O3 -march=native
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CXXFLAGS+= -flto -felide-constructors -fgraphite -fno-strict-aliasing -fno-exceptions -fomit-frame-pointer -fmerge-all-constants -fmodulo-sched -funswitch-loops -fsplit-loops
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CXXFLAGS+= -Wall -pedantic --std=gnu++20 $(addprefix -I,$(INCLUDE))
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LDFLAGS?= -O3 -flto
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LDFLAGS+= -lfmt
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PROJ = hexview
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OBJ = $(addprefix obj/,$(SRC:.cpp=.o))
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### PGO target specific ###
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# Number of times to run profiling
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PGO_ITERATIONS = 512
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# Size in kb of training files
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PGO_DATASET_SIZE = $$(( 1024 * 4 ))
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PGO_OBJ = $(addprefix profile/,$(SRC:.cpp=.o))
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PROF_FLAGS = -fprofile-generate
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###
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.PHONY: all
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all: | dirs $(PROJ)
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dirs:
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@mkdir -p obj/src
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@mkdir -p profile/src
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obj/%.o: %.cpp
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$(CXX) -c $< $(_HX_FEAT) $(CXXFLAGS) -o $@ $(LDFLAGS)
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profile/%.o: %.cpp
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$(CXX) -c $< $(_HX_FEAT) $(CXXFLAGS) $(PROF_FLAGS) -o $@ $(LDFLAGS) $(PROF_FLAGS)
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$(PROJ): $(OBJ)
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$(CXX) $^ $(CXXFLAGS) -o $@ $(LDFLAGS)
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strip $@
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pgo-generate: $(PGO_OBJ)
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$(CXX) $^ $(CXXFLAGS) $(PROF_FLAGS) -o $@ $(LDFLAGS) $(PROF_FLAGS)
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pgo-profile: pgo-generate
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for i in {1..$(PGO_ITERATIONS)}; do \
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dd if=/dev/urandom of=./pgo-test bs=1024 count=$(PGO_DATASET_SIZE) >> /dev/null 2>&1; \
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printf "\rIteration $$i / $(PGO_ITERATIONS)"; \
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./pgo-generate ./pgo-test > ./pgo-output; \
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done
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@echo ""
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rm ./pgo-test
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rm ./pgo-output
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rm pgo-generate
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pgo-use: PROF_FLAGS = -fprofile-use -lgcov
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pgo-use: $(PGO_OBJ)
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$(CXX) $^ $(CXXFLAGS) $(PROF_FLAGS) -o $@ $(LDFLAGS) $(PROF_FLAGS)
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$(PROJ)-pgo: | dirs pgo-profile
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find ./profile -name \*.o -exec rm {} +
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$(MAKE) pgo-use
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mv pgo-use $@
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strip $@
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clean:
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rm -f $(PROJ)
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rm -f $(PROJ)-pgo
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rm -rf obj
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rm -rf profile
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rm -f pgo-{test,output,generate}
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