-# Copyright (C) 2013 Free Software Foundation, Inc.
+# Copyright (C) 2013-2019 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
# 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/>.
-
+# <https://www.gnu.org/licenses/>.
# Makefile for benchmark tests. The only useful target here is `bench`.
# Add benchmark functions in alphabetical order.
subdir := benchtests
-bench := acos acosh asin asinh atan atanh cos cosh exp log modf pow rint sin \
- sincos sinh sqrt tan tanh
+
+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 expf exp2f logf log2f sincosf sinf \
+ cosf isnan isinf isfinite hypot logb logbf
+
+bench-pthread := pthread_once thread_create
+
+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-bench := 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
-string-bench-all := $(string-bench)
-
-stdlib-bench := strtod
-
-benchset := $(string-bench-all) $(stdlib-bench)
-
-LDLIBS-bench-acos = -lm
-LDLIBS-bench-acosh = -lm
-LDLIBS-bench-asin = -lm
-LDLIBS-bench-asinh = -lm
-LDLIBS-bench-atan = -lm
-LDLIBS-bench-atanh = -lm
-LDLIBS-bench-cos = -lm
-LDLIBS-bench-cosh = -lm
-LDLIBS-bench-exp = -lm
-LDLIBS-bench-log = -lm
-LDLIBS-bench-pow = -lm
-LDLIBS-bench-rint = -lm
-LDLIBS-bench-sin = -lm
-LDLIBS-bench-sinh = -lm
-LDLIBS-bench-sqrt = -lm
-LDLIBS-bench-tan = -lm
-LDLIBS-bench-tanh = -lm
-LDLIBS-bench-sincos = -lm
+string-benchset := memccpy memchr memcmp memcpy memmem memmove \
+ mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
+ strcat strchr strchrnul strcmp strcpy strcspn strlen \
+ strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
+ strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
+ strcoll memcpy-large memcpy-random memmove-large memset-large \
+ memcpy-walk memset-walk memmove-walk
+
+# Build and run locale-dependent benchmarks only if we're building natively.
+ifeq (no,$(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-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)
\f
# affect their performance.
.NOTPARALLEL:
-include ../Makeconfig
+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: 10 seconds.
+# The default duration: 1 seconds.
ifndef BENCH_DURATION
-BENCH_DURATION := 10
+BENCH_DURATION := 1
+endif
+
+CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION) -D_ISOMAC
+
+# On x86 processors, use RDTSCP, instead of RDTSC, to measure performance
+# of functions. All x86 processors since 2010 support RDTSCP instruction.
+ifdef USE_RDTSCP
+CPPFLAGS-nonlib += -DUSE_RDTSCP
endif
-CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION)
+DETAILED_OPT :=
-# 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
+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)
+cpp-srcs-left := $(binaries-benchset:=.c) $(binaries-bench:=.c) \
+ $(binaries-bench-malloc:=.c)
lib := nonlib
-include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
+include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
bench-deps := bench-skeleton.c bench-timing.h Makefile
run-bench = $(test-wrapper-env) \
- GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
- $($*-ENV) $(rtld-prefix) $${run}
+ $(run-program-env) \
+ $($*-ENV) $(test-via-rtld-prefix) $${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-set bench-func
+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 \
$(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}-$${thr}.out; \
+ done;\
+ fi;\
+ done
+
+# Build and execute the benchmark functions. This target generates JSON
+# formatted bench.out. Each of the programs produce independent JSON output,
+# so one could even execute them individually and process it using any JSON
+# capable language or tool.
bench-func: $(binaries-bench)
- { for run in $^; do \
- echo "Running $${run}" >&2; \
- $(run-bench); \
- done; } > $(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 $(objpfx)bench.out
+ if [ -n '$^' ] ; then \
+ { 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 $(objpfx)bench.out \
+ scripts/benchout.schema.json; \
+ fi
+
+ifeq ($(bind-now),yes)
+link-bench-bind-now = -Wl,-z,now
+endif
-$(binaries-bench) $(binaries-benchset): %: %.o \
+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)
+ $(+link-tests)
+
+$(bench-link-targets): LDFLAGS += $(link-bench-bind-now)
$(objpfx)bench-%.c: %-inputs $(bench-deps)
{ if [ -n "$($*-INCLUDE)" ]; then \
cat $($*-INCLUDE); \
fi; \
- $(..)scripts/bench.pl $(patsubst %-inputs,%,$<); } > $@-tmp
+ $(PYTHON) scripts/bench.py $(patsubst %-inputs,%,$<); } > $@-tmp
mv -f $@-tmp $@
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