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# Copyright (C) 2013-2022 Free Software Foundation, Inc.
# Copyright The GNU Toolchain Authors.
# 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
# <https://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 \
atan2 \
atanh \
cbrt \
cos \
cosf \
cosh \
erf \
erfc \
exp \
exp10 \
exp10f \
exp2 \
exp2f \
expf \
expm1 \
fmax \
fmaxf \
fmin \
fminf \
hypot \
hypotf \
ilogb \
ilogbf \
isfinite \
isinf \
isnan \
j0 \
j1 \
lgamma \
log \
log10 \
log1p \
log2 \
log2f \
logb \
logbf \
logf \
modf \
pow \
powf \
rint \
roundeven \
roundevenf \
sin \
sincos \
sincosf \
sinf \
sinh \
sqrt \
tan \
tanh \
tgamma \
trunc \
truncf \
y0 \
y1 \
ifneq (,$(filter yes,$(float96-fcts)))
bench-math += \
cbrtl \
# bench-math
endif
ifneq (,$(filter yes,$(float128-fcts) $(float128-alias-fcts)))
bench-math += \
expf128 \
ilogbf128 \
powf128 \
sinf128 \
# bench-math
endif
bench-pthread := \
pthread-locks \
pthread-mutex-locks \
pthread_once \
thread_create \
# bench-pthread
bench-string := \
ffs \
ffsll \
# bench-string
# String function benchmarks.
string-benchset := \
bzero \
bzero-large \
bzero-walk \
memccpy \
memchr \
memcmp \
memcmpeq \
memcpy \
memcpy-large \
memcpy-random \
memcpy-walk \
memmem \
memmove \
memmove-large \
memmove-walk \
mempcpy \
memrchr \
memset \
memset-large \
memset-walk \
memset-zero \
memset-zero-large \
memset-zero-walk \
rawmemchr \
stpcpy \
stpcpy_chk \
stpncpy \
strcasecmp \
strcasestr \
strcat \
strchr \
strchrnul \
strcmp \
strcoll \
strcpy \
strcpy_chk \
strcspn \
strlen \
strncasecmp \
strncat \
strncmp \
strncpy \
strnlen \
strpbrk \
strrchr \
strsep \
strspn \
strstr \
strtok \
# string-benchset
# Build and run locale-dependent benchmarks only if we're building natively.
ifeq (no,$(cross-compiling))
wcsmbs-benchset := \
wcpcpy \
wcpncpy \
wcscat \
wcschr \
wcschrnul \
wcscmp \
wcscpy \
wcscspn \
wcslen \
wcsncat \
wcsncmp \
wcsncpy \
wcsnlen \
wcspbrk \
wcsrchr \
wcsspn \
wmemchr \
wmemcmp \
wmemset \
# wcsmbs-benchset
else
wcsmbs-benchset :=
endif
string-benchset-all := $(string-benchset) ${wcsmbs-benchset}
ifeq (no,$(cross-compiling))
# We have to generate locales
LOCALES := \
ar_SA.UTF-8 \
cs_CZ.UTF-8 \
da_DK.UTF-8 \
el_GR.UTF-8 \
en_GB.UTF-8 \
en_US.UTF-8 \
es_ES.UTF-8 \
fa_IR.UTF-8 \
fr_FR.UTF-8 \
he_IL.UTF-8 \
hi_IN.UTF-8 \
hu_HU.UTF-8 \
is_IS.UTF-8 \
it_IT.UTF-8 \
ja_JP.UTF-8 \
pl_PL.UTF-8 \
pt_PT.UTF-8 \
ru_RU.UTF-8 \
si_LK.UTF-8 \
sr_RS.UTF-8 \
sv_SE.UTF-8 \
tr_TR.UTF-8 \
vi_VN.UTF-8 \
zh_CN.UTF-8 \
# LOCALES
include ../gen-locales.mk
endif
stdlib-benchset := strtod
stdio-common-benchset := sprintf
math-benchset := math-inlines
ifeq (${BENCHSET},)
benchset := $(string-benchset-all) $(stdlib-benchset) $(stdio-common-benchset) \
$(math-benchset)
else
benchset := $(foreach B,$(filter %-benchset,${BENCHSET}), ${${B}})
endif
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
CFLAGS-bench-trunc.c += -fno-builtin
CFLAGS-bench-truncf.c += -fno-builtin
CFLAGS-bench-roundeven.c += -fno-builtin
CFLAGS-bench-roundevenf.c += -fno-builtin
CFLAGS-bench-isnan.c += -fsignaling-nans
CFLAGS-bench-isinf.c += -fsignaling-nans
CFLAGS-bench-isfinite.c += -fsignaling-nans
ifeq (${BENCHSET},)
bench-malloc := malloc-thread malloc-simple
else
bench-malloc := $(filter malloc-%,${BENCHSET})
endif
ifeq (${STATIC-BENCHTESTS},yes)
+link-benchtests = $(+link-static-tests)
link-libc-benchtests = $(link-libc-static)
libm-benchtests = $(common-objpfx)math/libm.a
thread-library-benchtests = $(static-thread-library)
else
link-libc-benchtests = $(link-libc)
+link-benchtests = $(+link-tests)
thread-library-benchtests = $(shared-thread-library)
libm-benchtests = $(libm)
endif
$(addprefix $(objpfx)bench-,$(bench-math)): $(libm-benchtests)
$(addprefix $(objpfx)bench-,$(math-benchset)): $(libm-benchtests)
$(addprefix $(objpfx)bench-,$(bench-pthread)): $(thread-library-benchtests)
$(addprefix $(objpfx)bench-,$(bench-malloc)): $(thread-library-benchtests)
$(addprefix $(objpfx)bench-,pthread-locks): $(libm-benchtests)
$(addprefix $(objpfx)bench-,pthread-mutex-locks): $(libm-benchtests)
# 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:
bench-extra-objs = json-lib.o
extra-objs += $(bench-extra-objs)
others-extras = $(bench-extra-objs)
# The default duration: 1 seconds.
ifndef BENCH_DURATION
BENCH_DURATION := 1
endif
CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION) -D_ISOMAC
# Use clock_gettime to measure performance of functions. The default is
# to use the architecture-specific high precision timing instructions.
ifdef USE_CLOCK_GETTIME
CPPFLAGS-nonlib += -DUSE_CLOCK_GETTIME
else
# On x86 processors, use RDTSCP, instead of RDTSC, to measure performance
# of functions. All x86 processors since 2010 support RDTSCP instruction.
ifdef USE_RDTSCP
CPPFLAGS-nonlib += -DUSE_RDTSCP
endif
endif
DETAILED_OPT :=
ifdef DETAILED
DETAILED_OPT := -d
endif
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
extra-objs += bench-timing-type.o
include ../Rules
bench-math += $(bench-libmvec)
ifeq (${BENCHSET},)
bench := $(bench-math) $(bench-pthread) $(bench-string)
else
bench := $(foreach B,$(filter bench-%,${BENCHSET}), ${${B}})
endif
# NB: Use "=" instead of ":=" since sysdeps Makefiles may add more
# benches.
binaries-bench = $(addprefix $(objpfx)bench-,$(bench))
extra-objs += $(addsuffix .o,$(addprefix bench-,$(bench)))
binaries-benchset = $(addprefix $(objpfx)bench-,$(benchset))
extra-objs += $(addsuffix .o,$(addprefix bench-,$(benchset)))
binaries-bench-malloc := $(addprefix $(objpfx)bench-,$(bench-malloc))
extra-objs += $(addsuffix .o,$(addprefix bench-,$(bench-malloc)))
# 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) $(timing-type:=.c)
lib := nonlib
include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
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))
# Validate the passed in BENCHSET
ifneq ($(strip ${BENCHSET}),)
VALIDBENCHSETNAMES := bench-pthread bench-math bench-string string-benchset \
wcsmbs-benchset stdlib-benchset stdio-common-benchset math-benchset \
malloc-thread malloc-simple
INVALIDBENCHSETNAMES := $(filter-out ${VALIDBENCHSETNAMES},${BENCHSET})
ifneq (${INVALIDBENCHSETNAMES},)
$(info The following values in BENCHSET are invalid: ${INVALIDBENCHSETNAMES})
$(info The valid ones are: ${VALIDBENCHSETNAMES})
$(error Invalid BENCHSET value)
endif
endif
bench: bench-build bench-set bench-func bench-malloc
# 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) > $${run}.out; \
done
bench-malloc: $(binaries-bench-malloc)
for run in $^; do \
echo "$${run}"; \
if [ `basename $${run}` = "bench-malloc-thread" ]; then \
for thr in 1 8 16 32; do \
echo "Running $${run} $${thr}"; \
$(run-bench) $${thr} > $${run}-$${thr}.out; \
done;\
else \
for thr in 8 16 32 64 128 256 512 1024 2048 4096; do \
echo "Running $${run} $${thr}"; \
$(run-bench) $${thr} > $${run}-$${thr}.out; \
done;\
fi;\
done
# Build and execute the benchmark functions. This target generates JSON
# formatted bench.out. Each of the programs produce independent JSON output,
# so one could even execute them individually and process it using any JSON
# capable language or tool.
bench-func: $(binaries-bench)
if [ -n '$^' ] ; then \
{ timing_type=$$($(test-wrapper-env) \
$(run-program-env) \
$(test-via-rtld-prefix) \
$(timing-type)); \
echo "{\"timing_type\": \"$${timing_type}\","; \
echo " \"functions\": {"; \
for run in $^; do \
op=$$($(run-bench) $(DETAILED_OPT)); \
ret=$$?; \
case "$${ret}" in \
77) \
echo "UNSUPPORTED $${run}: $${op}" >&2; \
;; \
0) \
echo "Running $${run}" >&2; \
if [ "$${run}" != "$<" ]; then \
echo ","; \
fi; \
echo "$${op}"; \
;; \
*) \
echo "FAILED $${run}" >&2; \
;; \
esac; \
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 $(objpfx)bench.out \
scripts/benchout.schema.json; \
fi
ifeq ($(bind-now),yes)
link-bench-bind-now = -Wl,-z,now
endif
bench-link-targets = $(timing-type) $(binaries-bench) $(binaries-benchset) \
$(binaries-bench-malloc)
$(bench-link-targets): %: %.o $(objpfx)json-lib.o \
$(link-extra-libs-tests) \
$(sort $(filter $(common-objpfx)lib%,$(link-libc-benchtests))) \
$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
$(+link-benchtests)
$(bench-link-targets): LDFLAGS += $(link-bench-bind-now)
$(objpfx)bench-%.c: %-inputs $(bench-deps)
{ if [ -n "$($*-INCLUDE)" ]; then \
cat $($*-INCLUDE); \
fi; \
$(PYTHON) scripts/bench.py $(patsubst %-inputs,%,$<); } > $@-tmp
mv -f $@-tmp $@
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