mirror of
https://sourceware.org/git/glibc.git
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cf3acd774f
No bug. This commit adds __memcmpeq benchmarks. The benchmarks just use the existing ones in memcmp. This will be useful for testing implementations of __memcmpeq that do not just alias memcmp.
353 lines
9.8 KiB
Makefile
353 lines
9.8 KiB
Makefile
# Copyright (C) 2013-2021 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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# Makefile for benchmark tests. The only useful target here is `bench`.
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# Add benchmark functions in alphabetical order.
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subdir := benchtests
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include ../Makeconfig
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bench-math := \
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acos \
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acosh \
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asin \
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asinh \
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atan \
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atan2 \
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atanh \
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cbrt \
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cos \
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cosf \
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cosh \
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erf \
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erfc \
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exp \
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exp10 \
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exp10f \
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exp2 \
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exp2f \
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expf \
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expm1 \
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fmax \
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fmaxf \
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fmin \
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fminf \
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hypot \
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ilogb \
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ilogbf \
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isfinite \
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isinf \
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isnan \
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j0 \
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j1 \
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lgamma \
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log \
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log10 \
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log1p \
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log2 \
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log2f \
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logb \
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logbf \
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logf \
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modf \
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pow \
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powf \
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rint \
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roundeven \
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roundevenf \
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sin \
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sincos \
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sincosf \
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sinf \
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sinh \
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sqrt \
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tan \
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tanh \
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tgamma \
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trunc \
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truncf \
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y0 \
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y1 \
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ifneq (,$(filter yes,$(float96-fcts)))
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bench-math += cbrtl
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endif
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ifneq (,$(filter yes,$(float128-fcts) $(float128-alias-fcts)))
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bench-math += expf128 powf128 sinf128 ilogbf128
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endif
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bench-pthread := pthread_once thread_create pthread-locks
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bench-string := ffs ffsll
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ifeq (${BENCHSET},)
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bench := $(bench-math) $(bench-pthread) $(bench-string)
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else
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bench := $(foreach B,$(filter bench-%,${BENCHSET}), ${${B}})
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endif
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# String function benchmarks.
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string-benchset := memccpy memchr memcmp memcmpeq memcpy memmem memmove \
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mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
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strcat strchr strchrnul strcmp strcpy strcspn strlen \
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strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
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strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
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strcoll memcpy-large memcpy-random memmove-large memset-large \
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memcpy-walk memset-walk memmove-walk
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# Build and run locale-dependent benchmarks only if we're building natively.
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ifeq (no,$(cross-compiling))
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wcsmbs-benchset := wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \
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wcscmp wcsncmp wcschr wcschrnul wcsrchr wcsspn wcspbrk wcscspn \
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wmemchr wmemset wmemcmp
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else
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wcsmbs-benchset :=
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endif
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string-benchset-all := $(string-benchset) ${wcsmbs-benchset}
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ifeq (no,$(cross-compiling))
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# We have to generate locales
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LOCALES := en_US.UTF-8 tr_TR.UTF-8 cs_CZ.UTF-8 fa_IR.UTF-8 fr_FR.UTF-8 \
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ja_JP.UTF-8 si_LK.UTF-8 en_GB.UTF-8 vi_VN.UTF-8 ar_SA.UTF-8 \
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da_DK.UTF-8 pl_PL.UTF-8 pt_PT.UTF-8 el_GR.UTF-8 ru_RU.UTF-8 \
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he_IL.UTF-8 is_IS.UTF-8 es_ES.UTF-8 hi_IN.UTF-8 sv_SE.UTF-8 \
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hu_HU.UTF-8 it_IT.UTF-8 sr_RS.UTF-8 zh_CN.UTF-8
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include ../gen-locales.mk
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endif
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stdlib-benchset := strtod
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stdio-common-benchset := sprintf
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math-benchset := math-inlines
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ifeq (${BENCHSET},)
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benchset := $(string-benchset-all) $(stdlib-benchset) $(stdio-common-benchset) \
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$(math-benchset)
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else
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benchset := $(foreach B,$(filter %-benchset,${BENCHSET}), ${${B}})
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endif
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CFLAGS-bench-ffs.c += -fno-builtin
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CFLAGS-bench-ffsll.c += -fno-builtin
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CFLAGS-bench-sqrt.c += -fno-builtin
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CFLAGS-bench-fmin.c += -fno-builtin
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CFLAGS-bench-fminf.c += -fno-builtin
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CFLAGS-bench-fmax.c += -fno-builtin
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CFLAGS-bench-fmaxf.c += -fno-builtin
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CFLAGS-bench-trunc.c += -fno-builtin
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CFLAGS-bench-truncf.c += -fno-builtin
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CFLAGS-bench-roundeven.c += -fno-builtin
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CFLAGS-bench-roundevenf.c += -fno-builtin
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CFLAGS-bench-isnan.c += -fsignaling-nans
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CFLAGS-bench-isinf.c += -fsignaling-nans
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CFLAGS-bench-isfinite.c += -fsignaling-nans
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ifeq (${BENCHSET},)
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bench-malloc := malloc-thread malloc-simple
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else
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bench-malloc := $(filter malloc-%,${BENCHSET})
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endif
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ifeq (${STATIC-BENCHTESTS},yes)
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+link-benchtests = $(+link-static-tests)
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link-libc-benchtests = $(link-libc-static)
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libm-benchtests = $(common-objpfx)math/libm.a
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thread-library-benchtests = $(static-thread-library)
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else
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link-libc-benchtests = $(link-libc)
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+link-benchtests = $(+link-tests)
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thread-library-benchtests = $(shared-thread-library)
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libm-benchtests = $(libm)
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endif
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$(addprefix $(objpfx)bench-,$(bench-math)): $(libm-benchtests)
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$(addprefix $(objpfx)bench-,$(math-benchset)): $(libm-benchtests)
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$(addprefix $(objpfx)bench-,$(bench-pthread)): $(thread-library-benchtests)
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$(addprefix $(objpfx)bench-,$(bench-malloc)): $(thread-library-benchtests)
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$(addprefix $(objpfx)bench-,pthread-locks): $(libm-benchtests)
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# Rules to build and execute the benchmarks. Do not put any benchmark
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# parameters beyond this point.
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# We don't want the benchmark programs to run in parallel since that could
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# affect their performance.
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.NOTPARALLEL:
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bench-extra-objs = json-lib.o
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extra-objs += $(bench-extra-objs)
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others-extras = $(bench-extra-objs)
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include ../Rules
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binaries-bench := $(addprefix $(objpfx)bench-,$(bench))
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binaries-benchset := $(addprefix $(objpfx)bench-,$(benchset))
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binaries-bench-malloc := $(addprefix $(objpfx)bench-,$(bench-malloc))
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# The default duration: 1 seconds.
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ifndef BENCH_DURATION
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BENCH_DURATION := 1
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endif
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CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION) -D_ISOMAC
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# Use clock_gettime to measure performance of functions. The default is
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# to use the architecture-specific high precision timing instructions.
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ifdef USE_CLOCK_GETTIME
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CPPFLAGS-nonlib += -DUSE_CLOCK_GETTIME
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else
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# On x86 processors, use RDTSCP, instead of RDTSC, to measure performance
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# of functions. All x86 processors since 2010 support RDTSCP instruction.
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ifdef USE_RDTSCP
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CPPFLAGS-nonlib += -DUSE_RDTSCP
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endif
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endif
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DETAILED_OPT :=
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ifdef DETAILED
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DETAILED_OPT := -d
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endif
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bench-deps := bench-skeleton.c bench-timing.h Makefile
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run-bench = $(test-wrapper-env) \
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$(run-program-env) \
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$($*-ENV) $(test-via-rtld-prefix) $${run}
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timing-type := $(objpfx)bench-timing-type
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# This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed
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# for all these modules.
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cpp-srcs-left := $(binaries-benchset:=.c) $(binaries-bench:=.c) \
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$(binaries-bench-malloc:=.c) $(timing-type:=.c)
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lib := nonlib
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include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
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bench-clean:
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rm -f $(binaries-bench) $(addsuffix .o,$(binaries-bench))
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rm -f $(binaries-benchset) $(addsuffix .o,$(binaries-benchset))
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rm -f $(binaries-bench-malloc) $(addsuffix .o,$(binaries-bench-malloc))
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rm -f $(timing-type) $(addsuffix .o,$(timing-type))
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rm -f $(addprefix $(objpfx),$(bench-extra-objs))
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# Validate the passed in BENCHSET
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ifneq ($(strip ${BENCHSET}),)
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VALIDBENCHSETNAMES := bench-pthread bench-math bench-string string-benchset \
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wcsmbs-benchset stdlib-benchset stdio-common-benchset math-benchset \
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malloc-thread malloc-simple
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INVALIDBENCHSETNAMES := $(filter-out ${VALIDBENCHSETNAMES},${BENCHSET})
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ifneq (${INVALIDBENCHSETNAMES},)
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$(info The following values in BENCHSET are invalid: ${INVALIDBENCHSETNAMES})
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$(info The valid ones are: ${VALIDBENCHSETNAMES})
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$(error Invalid BENCHSET value)
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endif
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endif
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bench: bench-build bench-set bench-func bench-malloc
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# Target to only build the benchmark without running it. We generate locales
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# only if we're building natively.
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ifeq (no,$(cross-compiling))
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bench-build: $(gen-locales) $(timing-type) $(binaries-bench) \
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$(binaries-benchset) $(binaries-bench-malloc)
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else
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bench-build: $(timing-type) $(binaries-bench) $(binaries-benchset) \
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$(binaries-bench-malloc)
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endif
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bench-set: $(binaries-benchset)
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for run in $^; do \
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echo "Running $${run}"; \
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$(run-bench) > $${run}.out; \
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done
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bench-malloc: $(binaries-bench-malloc)
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for run in $^; do \
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echo "$${run}"; \
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if [ `basename $${run}` = "bench-malloc-thread" ]; then \
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for thr in 1 8 16 32; do \
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echo "Running $${run} $${thr}"; \
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$(run-bench) $${thr} > $${run}-$${thr}.out; \
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done;\
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else \
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for thr in 8 16 32 64 128 256 512 1024 2048 4096; do \
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echo "Running $${run} $${thr}"; \
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$(run-bench) $${thr} > $${run}-$${thr}.out; \
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done;\
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fi;\
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done
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# Build and execute the benchmark functions. This target generates JSON
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# formatted bench.out. Each of the programs produce independent JSON output,
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# so one could even execute them individually and process it using any JSON
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# capable language or tool.
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bench-func: $(binaries-bench)
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if [ -n '$^' ] ; then \
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{ timing_type=$$($(test-wrapper-env) \
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$(run-program-env) \
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$(test-via-rtld-prefix) \
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$(timing-type)); \
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echo "{\"timing_type\": \"$${timing_type}\","; \
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echo " \"functions\": {"; \
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for run in $^; do \
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if ! [ "x$${run}" = "x$<" ]; then \
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echo ","; \
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fi; \
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echo "Running $${run}" >&2; \
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$(run-bench) $(DETAILED_OPT); \
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done; \
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echo; \
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echo " }"; \
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echo "}"; \
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} > $(objpfx)bench.out-tmp; \
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if [ -f $(objpfx)bench.out ]; then \
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mv -f $(objpfx)bench.out $(objpfx)bench.out.old; \
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fi; \
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mv -f $(objpfx)bench.out-tmp $(objpfx)bench.out; \
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$(PYTHON) scripts/validate_benchout.py $(objpfx)bench.out \
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scripts/benchout.schema.json; \
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fi
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ifeq ($(bind-now),yes)
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link-bench-bind-now = -Wl,-z,now
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endif
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bench-link-targets = $(timing-type) $(binaries-bench) $(binaries-benchset) \
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$(binaries-bench-malloc)
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$(bench-link-targets): %: %.o $(objpfx)json-lib.o \
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$(link-extra-libs-tests) \
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$(sort $(filter $(common-objpfx)lib%,$(link-libc-benchtests))) \
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$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
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$(+link-benchtests)
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$(bench-link-targets): LDFLAGS += $(link-bench-bind-now)
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$(objpfx)bench-%.c: %-inputs $(bench-deps)
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{ if [ -n "$($*-INCLUDE)" ]; then \
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cat $($*-INCLUDE); \
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fi; \
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$(PYTHON) scripts/bench.py $(patsubst %-inputs,%,$<); } > $@-tmp
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mv -f $@-tmp $@
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