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Diffstat (limited to 'REORG.TODO/benchtests/Makefile')
-rw-r--r-- | REORG.TODO/benchtests/Makefile | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/REORG.TODO/benchtests/Makefile b/REORG.TODO/benchtests/Makefile new file mode 100644 index 0000000000..7f5fda5ef4 --- /dev/null +++ b/REORG.TODO/benchtests/Makefile @@ -0,0 +1,216 @@ +# 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 + +bench-pthread := pthread_once + +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 $@ |