-# Copyright (C) 2013-2017 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
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
+ fmaxf powf trunc truncf expf exp2f logf log2f sincosf sinf \
+ cosf
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-benchset := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
+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
+ 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,$(cross-compiling))
math-benchset := math-inlines
+ifeq (${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-trunc.c += -fno-builtin
CFLAGS-bench-truncf.c += -fno-builtin
+ifeq (${BENCHSET},)
bench-malloc := malloc-thread
+else
+bench-malloc := $(filter malloc-%,${BENCHSET})
+endif
$(addprefix $(objpfx)bench-,$(bench-math)): $(libm)
$(addprefix $(objpfx)bench-,$(math-benchset)): $(libm)
BENCH_DURATION := 10
endif
-CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION)
+CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION) -D_ISOMAC
# 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
+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 :=
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
+# 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
+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.
done
bench-malloc: $(binaries-bench-malloc)
- run=$(objpfx)bench-malloc-thread; \
- for thr in 1 8 16 32; do \
- echo "Running $${run} $${thr}"; \
+ for run in $^; do \
+ for thr in 1 8 16 32; do \
+ echo "Running $${run} $${thr}"; \
$(run-bench) $${thr} > $${run}-$${thr}.out; \
+ done;\
done
# Build and execute the benchmark functions. This target generates JSON
# so one could even execute them individually and process it using any JSON
# capable language or tool.
bench-func: $(binaries-bench)
+ if [ -n '$^' ] ; then \
{ timing_type=$$($(timing-type)); \
- echo "{\"timing_type\": \"$${timing_type}\","; \
- echo " \"functions\": {"; \
- for run in $^; do \
- if ! [ "x$${run}" = "x$<" ]; then \
- echo ","; \
+ echo "{\"timing_type\": \"$${timing_type}\","; \
+ echo " \"functions\": {"; \
+ for run in $^; do \
+ if ! [ "x$${run}" = "x$<" ]; then \
+ echo ","; \
+ fi; \
+ echo "Running $${run}" >&2; \
+ $(run-bench) $(DETAILED_OPT); \
+ done; \
+ echo; \
+ echo " }"; \
+ echo "}"; \
+ } > $(objpfx)bench.out-tmp; \
+ if [ -f $(objpfx)bench.out ]; then \
+ mv -f $(objpfx)bench.out $(objpfx)bench.out.old; \
fi; \
- echo "Running $${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
+ mv -f $(objpfx)bench.out-tmp $(objpfx)bench.out; \
+ $(PYTHON) scripts/validate_benchout.py $(objpfx)bench.out \
+ scripts/benchout.schema.json; \
+ fi
$(timing-type) $(binaries-bench) $(binaries-benchset) \
$(binaries-bench-malloc): %: %.o $(objpfx)json-lib.o \
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