mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-25 20:21:07 +00:00
4be44c3208
Performance benchmarks for various posix locks: mutex, rwlock, spinlock, condvar, and semaphore. Each test is performed with an empty loop body or with a computationally "interesting" (i.e. difficult to optimize away, and used just to allow lock code to be "hidden" in the filler's CPU cycles).
280 lines
9.0 KiB
Makefile
280 lines
9.0 KiB
Makefile
# Copyright (C) 2013-2020 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
|
||
# <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 atanh cos cosh exp exp2 log log2 \
|
||
modf pow rint sin sincos sinh sqrt tan tanh fmin fmax fminf \
|
||
fmaxf powf trunc truncf roundeven roundevenf expf exp2f logf \
|
||
log2f sincosf sinf cosf isnan isinf isfinite hypot logb logbf \
|
||
exp10f
|
||
|
||
ifneq (,$(filter yes,$(float128-fcts) $(float128-alias-fcts)))
|
||
bench-math += expf128 powf128 sinf128
|
||
endif
|
||
|
||
bench-pthread := pthread_once thread_create pthread-locks
|
||
|
||
bench-string := ffs ffsll
|
||
|
||
ifeq (${BENCHSET},)
|
||
bench := $(bench-math) $(bench-pthread) $(bench-string)
|
||
else
|
||
bench := $(foreach B,$(filter bench-%,${BENCHSET}), ${${B}})
|
||
endif
|
||
|
||
# String function benchmarks.
|
||
string-benchset := 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 \
|
||
memcpy-walk memset-walk memmove-walk
|
||
|
||
# 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
|
||
|
||
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
|
||
|
||
$(addprefix $(objpfx)bench-,$(bench-math)): $(libm)
|
||
$(addprefix $(objpfx)bench-,$(math-benchset)): $(libm)
|
||
$(addprefix $(objpfx)bench-,$(bench-pthread)): $(shared-thread-library)
|
||
$(addprefix $(objpfx)bench-,$(bench-malloc)): $(shared-thread-library)
|
||
$(addprefix $(objpfx)bench-,pthread-locks): $(libm)
|
||
|
||
|
||
|
||
# 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)
|
||
|
||
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: 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
|
||
|
||
# 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-deps := bench-skeleton.c bench-timing.h Makefile
|
||
|
||
run-bench = $(test-wrapper-env) \
|
||
$(run-program-env) \
|
||
$($*-ENV) $(test-via-rtld-prefix) $${run}
|
||
|
||
timing-type := $(objpfx)bench-timing-type
|
||
|
||
bench-clean:
|
||
rm -f $(binaries-bench) $(addsuffix .o,$(binaries-bench))
|
||
rm -f $(binaries-benchset) $(addsuffix .o,$(binaries-benchset))
|
||
rm -f $(binaries-bench-malloc) $(addsuffix .o,$(binaries-bench-malloc))
|
||
rm -f $(timing-type) $(addsuffix .o,$(timing-type))
|
||
rm -f $(addprefix $(objpfx),$(bench-extra-objs))
|
||
|
||
# Validate the passed in BENCHSET
|
||
ifneq ($(strip ${BENCHSET}),)
|
||
VALIDBENCHSETNAMES := bench-pthread bench-math bench-string string-benchset \
|
||
wcsmbs-benchset stdlib-benchset stdio-common-benchset math-benchset \
|
||
malloc-thread malloc-simple
|
||
INVALIDBENCHSETNAMES := $(filter-out ${VALIDBENCHSETNAMES},${BENCHSET})
|
||
ifneq (${INVALIDBENCHSETNAMES},)
|
||
$(info The following values in BENCHSET are invalid: ${INVALIDBENCHSETNAMES})
|
||
$(info The valid ones are: ${VALIDBENCHSETNAMES})
|
||
$(error Invalid BENCHSET value)
|
||
endif
|
||
endif
|
||
|
||
bench: bench-build bench-set bench-func bench-malloc
|
||
|
||
# Target to only build the benchmark without running it. We generate locales
|
||
# only if we're building natively.
|
||
ifeq (no,$(cross-compiling))
|
||
bench-build: $(gen-locales) $(timing-type) $(binaries-bench) \
|
||
$(binaries-benchset) $(binaries-bench-malloc)
|
||
else
|
||
bench-build: $(timing-type) $(binaries-bench) $(binaries-benchset) \
|
||
$(binaries-bench-malloc)
|
||
endif
|
||
|
||
bench-set: $(binaries-benchset)
|
||
for run in $^; do \
|
||
echo "Running $${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\": \"$${timing_type}\","; \
|
||
echo " \"functions\": {"; \
|
||
for run in $^; do \
|
||
if ! [ "x$${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 $(objpfx)bench.out \
|
||
scripts/benchout.schema.json; \
|
||
fi
|
||
|
||
ifeq ($(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))) \
|
||
$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
|
||
$(+link-tests)
|
||
|
||
$(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 $@
|