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# makefile
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SHELL = /bin/bash
.ONESHELL:

ATT = $(EXE:=.att)
DAT = $(EXE:=.dat)
DEP = $(addprefix .,$(EXE:=.d))
EXE = $(basename $(SRC))
LOG = sort.log
PNG = $(SVG:.svg=.png)
SRC = $(wildcard *.c *.cc)
SVG = sort.svg sort.l.svg

CFLAGS = -fanalyzer -MF .$*.d -MMD -pthread -O3 -Wall
CXXFLAGS = $(CFLAGS) -std=c++20
LDLIBS+=-lbenchmark -lboost_fiber -lboost_context -lboost_system

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all: exe $(PNG)

att: $(ATT)

clean:
	-rm -rf $(ATT) $(DAT) $(DEP) $(EXE) $(LOG) $(PNG) $(SVG) {vg,}core.* perf.* *.old *~

exe: $(EXE)

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-include $(DEP)

sort: CFLAGS+=-fopenmp

%.att: %
	objdump -CdS $< > $@

%.dat: %
	perf record -o $@ -- ./$< # use "-F max" to improve precision

%.log: %
	@./$< | tee $@

%.perf: %.dat
	perf report -i $<

%.png: %.svg
	convert -density 600 $< $@

%.svg: %.log makefile
	@gnuplot <<< "set terminal svg enhanced; \
	              set output '$@'; \
	              set key autotitle columnheader left top noenhanced; \
	              set grid; \
	              set xlabel 'size'; \
	              set logscale x 2; \
	              set ylabel 'time'; \
	              set xtics rotate; \
	              set xtics (1, 2, 4, 8, 16, 32, 64, 128, 256, 512, '1k' 1024, '2k' 2048, '4k' 4096, '8k' 8192, '16k' 16384, '32k' 32768, '64k' 65526, '128k' 131072, '256k' 262144, '512k' 524288, '1M' 1048576, '2M' 2097152, '4M' 4194304, '8M' 8388608, '16M' 16777216, '32M' 33554432, '64M' 67108864, '128M' 134217728, '256M' 268435456, '512M' 536870912, '1G' 1073741824); \
	              set ytics ('5ms' 5e6, '10ms' 10e6, '15ms' 15e6, '20ms' 20e6, '25ms' 25e6, '30ms' 30e6, '35ms' 35e6, '40ms' 40e6, '45ms' 45e6, '50ms' 50e6, '55ms' 55e6, '60ms' 60e6, '65ms' 65e6, '70ms' 70e6, '75ms' 75e6, '80ms' 80e6, '85ms' 85e6, '90ms' 90e6, '95ms' 95e6, '100ms' 100e6, '105ms' 105e6, '110ms' 110e6, '115ms' 115e6); \
	              plot '$<' u 1:2 w lp lc -1 ps 0.66 pt 5, \
	                   '$<' u 1:3 w lp lc 1 ps 0.66 pt 7, \
	                   '$<' u 1:4 w lp lc 2 ps 0.66 pt 9, \
	                   '$<' u 1:5 w lp lc 3 ps 0.66 pt 13"

%.l.svg: %.log makefile
	@gnuplot <<< "set terminal svg enhanced; \
	              set output '$@'; \
	              set key autotitle columnheader bottom noenhanced; \
	              set grid; \
	              set xlabel 'size'; \
	              set ylabel 'time'; \
	              set logscale x 2; \
	              set logscale y 10; \
	              set xtics rotate; \
	              set xtics (1, 2, 4, 8, 16, 32, 64, 128, 256, 512, '1k' 1024, '2k' 2048, '4k' 4096, '8k' 8192, '16k' 16384, '32k' 32768, '64k' 65526, '128k' 131072, '256k' 262144, '512k' 524288, '1M' 1048576, '2M' 2097152, '4M' 4194304, '8M' 8388608, '16M' 16777216, '32M' 33554432, '64M' 67108864, '128M' 134217728, '256M' 268435456, '512M' 536870912, '1G' 1073741824); \
	              set ytics ('10ns' 1e1, '100ns' 1e2, '1us' 1e3, '10us' 1e4, '100us' 1e5, '1ms' 1e6, '10ms' 1e7, '100ms' 1e8, '1s' 1e9, '10s' 1e10, '100s' 1e11); \
	              plot '$<' u 1:2 w lp lc -1 ps 0.66 pt 5, \
	                   '$<' u 1:3 w lp lc 1 ps 0.66 pt 7, \
	                   '$<' u 1:4 w lp lc 2 ps 0.66 pt 9, \
	                   '$<' u 1:5 w lp lc 3 ps 0.66 pt 13"

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.PHONY: all att bug clean exe fastest tabla
.PRECIOUS: $(DAT) $(LOG) $(SVG)
.NOEXPORT:

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