time-to-botec/C/C-02-better-algorithm-one-thread/makefile

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2023-06-02 22:00:49 +00:00
# Interface:
# make
# make build
# make format
# make run
# Compiler
CC=gcc
# CC=tcc # <= faster compilation
# Main file
SRC_ONE_THREAD=./samples-one-thread.c
OUTPUT_ONE_THREAD=out/samples-one-thread
## Dependencies
# Has no dependencies
MATH=-lm
## Flags
DEBUG= #'-g'
STANDARD=-std=c99
WARNINGS=-Wall
OPTIMIZED=-O3 #-O3 actually gives better performance than -Ofast, at least for this version
OPENMP=-fopenmp
## Formatter
STYLE_BLUEPRINT=webkit
FORMATTER=clang-format -i -style=$(STYLE_BLUEPRINT)
## make build
build: $(SRC_ONE_THREAD)
mkdir -p out
$(CC) $(OPTIMIZED) $(DEBUG) $(SRC_ONE_THREAD) $(OPENMP) $(MATH) -o $(OUTPUT_ONE_THREAD)
format: $(SRC_ONE_THREAD)
$(FORMATTER) $(SRC_ONE_THREAD)
run: $(SRC_ONE_THREAD) $(OUTPUT_ONE_THREAD)
./$(OUTPUT_ONE_THREAD)
time-linux:
@echo "Requires /bin/time, found on GNU/Linux systems" && echo
@echo "Running 100x and taking avg time: $(OUTPUT_ONE_THREAD)"
@t=$$(/usr/bin/time -f "%e" -p bash -c 'for i in {1..100}; do $(OUTPUT_ONE_THREAD); done' 2>&1 >/dev/null | grep real | awk '{print $$2}' ); echo "scale=2; 1000 * $$t / 100" | bc | sed "s|^|Time: |" | sed 's|$$|ms|' && echo
time-linux-simple:
@echo "Requires /bin/time, found on GNU/Linux systems" && echo
/bin/time -f "Time: %es" ./$(OUTPUT_ONE_THREAD) && echo
debian-install-dependencies:
sudo apt-get install libomp-dev