# Copyright (C) 2013-2017 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # The GNU C Library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # You should have received a copy of the GNU Lesser General Public # License along with the GNU C Library; if not, see # <http://www.gnu.org/licenses/>. # Makefile for benchmark tests. The only useful target here is `bench`. # Add benchmark functions in alphabetical order. subdir := benchtests include ../Makeconfig bench-math := acos acosh asin asinh atan atanh cos cosh exp exp2 log log2 \ modf pow rint sin sincos sinh sqrt tan tanh fmin fmax fminf \ fmaxf powf bench-pthread := pthread_once thread_create bench-string := ffs ffsll bench := $(bench-math) $(bench-pthread) $(bench-string) # String function benchmarks. string-benchset := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \ mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \ strcat strchr strchrnul strcmp strcpy strcspn strlen \ strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \ strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \ strcoll memcpy-large memcpy-random memmove-large memset-large # Build and run locale-dependent benchmarks only if we're building natively. ifeq (no,$(cross-compiling)) wcsmbs-benchset := wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \ wcscmp wcsncmp wcschr wcschrnul wcsrchr wcsspn wcspbrk wcscspn \ wmemchr wmemset wmemcmp else wcsmbs-benchset := endif string-benchset-all := $(string-benchset) ${wcsmbs-benchset} ifeq (no,$(cross-compiling)) # We have to generate locales LOCALES := en_US.UTF-8 tr_TR.UTF-8 cs_CZ.UTF-8 fa_IR.UTF-8 fr_FR.UTF-8 \ ja_JP.UTF-8 si_LK.UTF-8 en_GB.UTF-8 vi_VN.UTF-8 ar_SA.UTF-8 \ da_DK.UTF-8 pl_PL.UTF-8 pt_PT.UTF-8 el_GR.UTF-8 ru_RU.UTF-8 \ he_IL.UTF-8 is_IS.UTF-8 es_ES.UTF-8 hi_IN.UTF-8 sv_SE.UTF-8 \ hu_HU.UTF-8 it_IT.UTF-8 sr_RS.UTF-8 zh_CN.UTF-8 include ../gen-locales.mk endif stdlib-benchset := strtod stdio-common-benchset := sprintf math-benchset := math-inlines benchset := $(string-benchset-all) $(stdlib-benchset) $(stdio-common-benchset) \ $(math-benchset) CFLAGS-bench-ffs.c += -fno-builtin CFLAGS-bench-ffsll.c += -fno-builtin CFLAGS-bench-sqrt.c += -fno-builtin CFLAGS-bench-fmin.c += -fno-builtin CFLAGS-bench-fminf.c += -fno-builtin CFLAGS-bench-fmax.c += -fno-builtin CFLAGS-bench-fmaxf.c += -fno-builtin bench-malloc := malloc-thread $(addprefix $(objpfx)bench-,$(bench-math)): $(libm) $(addprefix $(objpfx)bench-,$(math-benchset)): $(libm) $(addprefix $(objpfx)bench-,$(bench-pthread)): $(shared-thread-library) $(objpfx)bench-malloc-thread: $(shared-thread-library) # Rules to build and execute the benchmarks. Do not put any benchmark # parameters beyond this point. # We don't want the benchmark programs to run in parallel since that could # affect their performance. .NOTPARALLEL: include ../Rules binaries-bench := $(addprefix $(objpfx)bench-,$(bench)) binaries-benchset := $(addprefix $(objpfx)bench-,$(benchset)) binaries-bench-malloc := $(addprefix $(objpfx)bench-,$(bench-malloc)) # The default duration: 10 seconds. ifndef BENCH_DURATION BENCH_DURATION := 10 endif CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION) # Use clock_gettime to measure performance of functions. The default is to use # HP_TIMING if it is available. ifdef USE_CLOCK_GETTIME CPPFLAGS-nonlib += -DUSE_CLOCK_GETTIME endif DETAILED_OPT := ifdef DETAILED DETAILED_OPT := -d endif # This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed # for all these modules. cpp-srcs-left := $(binaries-benchset:=.c) $(binaries-bench:=.c) \ $(binaries-bench-malloc:=.c) lib := nonlib include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) bench-extra-objs = json-lib.o extra-objs += $(bench-extra-objs) bench-deps := bench-skeleton.c bench-timing.h Makefile run-bench = $(test-wrapper-env) \ $(run-program-env) \ $($*-ENV) $(test-via-rtld-prefix) $${run} timing-type := $(objpfx)bench-timing-type bench-clean: rm -f $(binaries-bench) $(addsuffix .o,$(binaries-bench)) rm -f $(binaries-benchset) $(addsuffix .o,$(binaries-benchset)) rm -f $(binaries-bench-malloc) $(addsuffix .o,$(binaries-bench-malloc)) rm -f $(timing-type) $(addsuffix .o,$(timing-type)) rm -f $(addprefix $(objpfx),$(bench-extra-objs)) # Define the bench target only if the target has a usable python installation. ifdef PYTHON bench: bench-build bench-set bench-func bench-malloc else bench: @echo "The bench target needs python to run." @exit 1 endif # Target to only build the benchmark without running it. We generate locales # only if we're building natively. ifeq (no,$(cross-compiling)) bench-build: $(gen-locales) $(timing-type) $(binaries-bench) \ $(binaries-benchset) $(binaries-bench-malloc) else bench-build: $(timing-type) $(binaries-bench) $(binaries-benchset) \ $(binaries-bench-malloc) endif bench-set: $(binaries-benchset) for run in $^; do \ echo "Running $${run}"; \ $(run-bench) > $${run}.out; \ done bench-malloc: $(binaries-bench-malloc) run=$(objpfx)bench-malloc-thread; \ for thr in 1 8 16 32; do \ echo "Running $${run} $${thr}"; \ $(run-bench) $${thr} > $${run}-$${thr}.out; \ done # Build and execute the benchmark functions. This target generates JSON # formatted bench.out. Each of the programs produce independent JSON output, # so one could even execute them individually and process it using any JSON # capable language or tool. bench-func: $(binaries-bench) { timing_type=$$($(timing-type)); \ echo "{\"timing_type\": \"$${timing_type}\","; \ echo " \"functions\": {"; \ for run in $^; do \ if ! [ "x$${run}" = "x$<" ]; then \ echo ","; \ fi; \ echo "Running $${run}" >&2; \ $(run-bench) $(DETAILED_OPT); \ done; \ echo; \ echo " }"; \ echo "}"; } > $(objpfx)bench.out-tmp; \ if [ -f $(objpfx)bench.out ]; then \ mv -f $(objpfx)bench.out $(objpfx)bench.out.old; \ fi; \ mv -f $(objpfx)bench.out-tmp $(objpfx)bench.out $(PYTHON) scripts/validate_benchout.py $(objpfx)bench.out \ scripts/benchout.schema.json $(timing-type) $(binaries-bench) $(binaries-benchset) \ $(binaries-bench-malloc): %: %.o $(objpfx)json-lib.o \ $(link-extra-libs-tests) \ $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) $(+link-tests) $(objpfx)bench-%.c: %-inputs $(bench-deps) { if [ -n "$($*-INCLUDE)" ]; then \ cat $($*-INCLUDE); \ fi; \ $(PYTHON) scripts/bench.py $(patsubst %-inputs,%,$<); } > $@-tmp mv -f $@-tmp $@