1 # Copyright (C) 2013-2016 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, see
16 # <http://www.gnu.org/licenses/>.
18 # Makefile for benchmark tests. The only useful target here is `bench`.
19 # Add benchmark functions in alphabetical order.
26 bench-math
:= acos acosh asin asinh atan atanh cos cosh exp exp2 log log2 \
27 modf pow rint sin sincos sinh sqrt tan tanh
29 bench-pthread
:= pthread_once
31 bench-string
:= ffs ffsll
33 bench
:= $(bench-math
) $(bench-pthread
) $(bench-string
)
35 # String function benchmarks.
36 string-benchset
:= bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
37 mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
38 strcat strchr strchrnul strcmp strcpy strcspn strlen \
39 strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
40 strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
42 wcsmbs-benchset
:= wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \
43 wcscmp wcsncmp wcschr wcschrnul wcsrchr wcsspn wcspbrk wcscspn \
44 wmemchr wmemset wmemcmp
45 string-benchset-all
:= $(string-benchset
) ${wcsmbs-benchset
}
47 # We have to generate locales
48 LOCALES
:= en_US.UTF-8 tr_TR.UTF-8 cs_CZ.UTF-8 fa_IR.UTF-8 fr_FR.UTF-8 \
49 ja_JP.UTF-8 si_LK.UTF-8 en_GB.UTF-8 vi_VN.UTF-8 ar_SA.UTF-8 \
50 da_DK.UTF-8 pl_PL.UTF-8 pt_PT.UTF-8 el_GR.UTF-8 ru_RU.UTF-8 \
51 iw_IL.UTF-8 is_IS.UTF-8 es_ES.UTF-8 hi_IN.UTF-8 sv_SE.UTF-8 \
52 hu_HU.UTF-8 it_IT.UTF-8 sr_RS.UTF-8 zh_CN.UTF-8
53 include ..
/gen-locales.mk
55 stdlib-benchset
:= strtod
57 stdio-common-benchset
:= sprintf
59 math-benchset
:= math-inlines
61 benchset
:= $(string-benchset-all
) $(stdlib-benchset
) $(stdio-common-benchset
) \
64 CFLAGS-bench-ffs.c
+= -fno-builtin
65 CFLAGS-bench-ffsll.c
+= -fno-builtin
67 bench-malloc
:= malloc-thread
69 $(addprefix $(objpfx
)bench-
,$(bench-math
)): $(libm
)
70 $(addprefix $(objpfx
)bench-
,$(math-benchset
)): $(libm
)
71 $(addprefix $(objpfx
)bench-
,$(bench-pthread
)): $(shared-thread-library
)
72 $(objpfx
)bench-malloc-thread
: $(shared-thread-library
)
76 # Rules to build and execute the benchmarks. Do not put any benchmark
77 # parameters beyond this point.
79 # We don't want the benchmark programs to run in parallel since that could
80 # affect their performance.
85 binaries-bench
:= $(addprefix $(objpfx
)bench-
,$(bench
))
86 binaries-benchset
:= $(addprefix $(objpfx
)bench-
,$(benchset
))
87 binaries-bench-malloc
:= $(addprefix $(objpfx
)bench-
,$(bench-malloc
))
89 # The default duration: 10 seconds.
94 CPPFLAGS-nonlib
+= -DDURATION
=$(BENCH_DURATION
)
96 # Use clock_gettime to measure performance of functions. The default is to use
97 # HP_TIMING if it is available.
98 ifdef USE_CLOCK_GETTIME
99 CPPFLAGS-nonlib
+= -DUSE_CLOCK_GETTIME
108 # This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed
109 # for all these modules.
110 cpp-srcs-left
:= $(binaries-benchset
:=.c
) $(binaries-bench
:=.c
) \
111 $(binaries-bench-malloc
:=.c
)
113 include $(patsubst %,$(..
)cppflags-iterator.mk
,$(cpp-srcs-left
))
115 extra-objs
+= json-lib.o
117 bench-deps
:= bench-skeleton.c bench-timing.h Makefile
119 run-bench
= $(test-wrapper-env
) \
121 $($*-ENV
) $(test-via-rtld-prefix
) $${run}
123 timing-type
:= $(objpfx
)bench-timing-type
126 rm -f
$(binaries-bench
) $(addsuffix .o
,$(binaries-bench
))
127 rm -f
$(binaries-benchset
) $(addsuffix .o
,$(binaries-benchset
))
128 rm -f
$(binaries-bench-malloc
) $(addsuffix .o
,$(binaries-bench-malloc
))
129 rm -f
$(timing-type
) $(addsuffix .o
,$(timing-type
))
131 bench
: $(timing-type
) $(gen-locales
) bench-set bench-func bench-malloc
133 bench-set
: $(binaries-benchset
)
135 echo
"Running $${run}"; \
136 $(run-bench
) > $${run}.out
; \
139 bench-malloc
: $(binaries-bench-malloc
)
140 run
=$(objpfx
)bench-malloc-thread
; \
141 for thr in
1 8 16 32; do \
142 echo
"Running $${run} $${thr}"; \
143 $(run-bench
) $${thr} > $${run}-$${thr}.out
; \
146 # Build and execute the benchmark functions. This target generates JSON
147 # formatted bench.out. Each of the programs produce independent JSON output,
148 # so one could even execute them individually and process it using any JSON
149 # capable language or tool.
150 bench-func
: $(binaries-bench
)
151 { timing_type
=$$($(timing-type
)); \
152 echo
"{\"timing_type\": \"$${timing_type}\","; \
153 echo
" \"functions\": {"; \
155 if
! [ "x$${run}" = "x$<" ]; then \
158 echo
"Running $${run}" >&2; \
159 $(run-bench
) $(DETAILED_OPT
); \
163 echo
"}"; } > $(objpfx
)bench.out-tmp
; \
164 if
[ -f
$(objpfx
)bench.out
]; then \
165 mv
-f
$(objpfx
)bench.out
$(objpfx
)bench.out.old
; \
167 mv
-f
$(objpfx
)bench.out-tmp
$(objpfx
)bench.out
168 $(PYTHON
) scripts
/validate_benchout.py
$(objpfx
)bench.out \
169 scripts
/benchout.schema.json
171 $(timing-type
) $(binaries-bench
) $(binaries-benchset
) \
172 $(binaries-bench-malloc
): %: %.o
$(objpfx
)json-lib.o \
173 $(sort $(filter $(common-objpfx
)lib
%,$(link-libc
))) \
174 $(addprefix $(csu-objpfx
),start.o
) $(+preinit
) $(+postinit
)
177 $(objpfx
)bench-
%.c
: %-inputs
$(bench-deps
)
178 { if
[ -n
"$($*-INCLUDE)" ]; then \
181 $(PYTHON
) scripts
/bench.py
$(patsubst %-inputs
,%,$<); } > $@
-tmp