1 # Copyright (C) 2013-2015 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/>.
19 # Makefile for benchmark tests. The only useful target here is `bench`.
20 # Add benchmark functions in alphabetical order.
25 bench-math
:= acos acosh asin asinh atan atanh cos cosh exp exp2 ffs ffsll \
26 log log2 modf pow rint sin sincos sinh sqrt tan tanh
28 bench-pthread
:= pthread_once
30 bench
:= $(bench-math
) $(bench-pthread
)
32 # String function benchmarks.
33 string-bench
:= bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
34 mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
35 strcat strchr strchrnul strcmp strcpy strcspn strlen \
36 strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
37 strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
39 wcsmbs-bench
:= wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \
40 wcscmp wcsncmp wcschr wcschrnul wcsrchr wcsspn wcspbrk wcscspn \
41 wmemchr wmemset wmemcmp
42 string-bench-all
:= $(string-bench
) ${wcsmbs-bench
}
44 # We have to generate locales
45 LOCALES
:= en_US.UTF-8 tr_TR.UTF-8 cs_CZ.UTF-8 fa_IR.UTF-8 fr_FR.UTF-8 \
46 ja_JP.UTF-8 si_LK.UTF-8 en_GB.UTF-8 vi_VN.UTF-8 ar_SA.UTF-8 \
47 da_DK.UTF-8 pl_PL.UTF-8 pt_PT.UTF-8 el_GR.UTF-8 ru_RU.UTF-8 \
48 iw_IL.UTF-8 is_IS.UTF-8 es_ES.UTF-8 hi_IN.UTF-8 sv_SE.UTF-8 \
49 hu_HU.UTF-8 it_IT.UTF-8 sr_RS.UTF-8 zh_CN.UTF-8
50 include ..
/gen-locales.mk
52 stdlib-bench
:= strtod
54 stdio-common-bench
:= sprintf
56 benchset
:= $(string-bench-all
) $(stdlib-bench
) $(stdio-common-bench
)
58 CFLAGS-bench-ffs.c
+= -fno-builtin
59 CFLAGS-bench-ffsll.c
+= -fno-builtin
61 bench-malloc
:= malloc-thread
63 $(addprefix $(objpfx
)bench-
,$(bench-math
)): $(libm
)
64 $(addprefix $(objpfx
)bench-
,$(bench-pthread
)): $(shared-thread-library
)
65 $(objpfx
)bench-malloc-thread
: $(shared-thread-library
)
69 # Rules to build and execute the benchmarks. Do not put any benchmark
70 # parameters beyond this point.
72 # We don't want the benchmark programs to run in parallel since that could
73 # affect their performance.
78 binaries-bench
:= $(addprefix $(objpfx
)bench-
,$(bench
))
79 binaries-benchset
:= $(addprefix $(objpfx
)bench-
,$(benchset
))
80 binaries-bench-malloc
:= $(addprefix $(objpfx
)bench-
,$(bench-malloc
))
82 # The default duration: 10 seconds.
87 CPPFLAGS-nonlib
+= -DDURATION
=$(BENCH_DURATION
)
89 # Use clock_gettime to measure performance of functions. The default is to use
90 # HP_TIMING if it is available.
91 ifdef USE_CLOCK_GETTIME
92 CPPFLAGS-nonlib
+= -DUSE_CLOCK_GETTIME
101 # This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed
102 # for all these modules.
103 cpp-srcs-left
:= $(binaries-benchset
:=.c
) $(binaries-bench
:=.c
) \
104 $(binaries-bench-malloc
:=.c
)
106 include $(patsubst %,$(..
)cppflags-iterator.mk
,$(cpp-srcs-left
))
108 extra-objs
+= json-lib.o
110 bench-deps
:= bench-skeleton.c bench-timing.h Makefile
112 run-bench
= $(test-wrapper-env
) \
114 $($*-ENV
) $(rtld-prefix
) $${run}
116 timing-type
:= $(objpfx
)bench-timing-type
119 rm -f
$(binaries-bench
) $(addsuffix .o
,$(binaries-bench
))
120 rm -f
$(binaries-benchset
) $(addsuffix .o
,$(binaries-benchset
))
121 rm -f
$(binaries-bench-malloc
) $(addsuffix .o
,$(binaries-bench-malloc
))
122 rm -f
$(timing-type
) $(addsuffix .o
,$(timing-type
))
124 bench
: $(timing-type
) $(gen-locales
) bench-set bench-func bench-malloc
126 bench-set
: $(binaries-benchset
)
128 echo
"Running $${run}"; \
129 $(run-bench
) > $${run}.out
; \
132 bench-malloc
: $(binaries-bench-malloc
)
133 run
=$(objpfx
)bench-malloc-thread
; \
134 for thr in
1 8 16 32; do \
135 echo
"Running $${run} $${thr}"; \
136 $(run-bench
) $${thr} > $${run}-$${thr}.out
; \
139 # Build and execute the benchmark functions. This target generates JSON
140 # formatted bench.out. Each of the programs produce independent JSON output,
141 # so one could even execute them individually and process it using any JSON
142 # capable language or tool.
143 bench-func
: $(binaries-bench
)
144 { timing_type
=$$($(timing-type
)); \
145 echo
"{\"timing_type\": \"$${timing_type}\","; \
146 echo
" \"functions\": {"; \
148 if
! [ "x$${run}" = "x$<" ]; then \
151 echo
"Running $${run}" >&2; \
152 $(run-bench
) $(DETAILED_OPT
); \
156 echo
"}"; } > $(objpfx
)bench.out-tmp
; \
157 if
[ -f
$(objpfx
)bench.out
]; then \
158 mv
-f
$(objpfx
)bench.out
$(objpfx
)bench.out.old
; \
160 mv
-f
$(objpfx
)bench.out-tmp
$(objpfx
)bench.out
161 scripts
/validate_benchout.py
$(objpfx
)bench.out \
162 scripts
/benchout.schema.json
164 $(timing-type
) $(binaries-bench
) $(binaries-benchset
) \
165 $(binaries-bench-malloc
): %: %.o
$(objpfx
)json-lib.o \
166 $(sort $(filter $(common-objpfx
)lib
%,$(link-libc
))) \
167 $(addprefix $(csu-objpfx
),start.o
) $(+preinit
) $(+postinit
)
170 $(objpfx
)bench-
%.c
: %-inputs
$(bench-deps
)
171 { if
[ -n
"$($*-INCLUDE)" ]; then \
174 scripts
/bench.py
$(patsubst %-inputs
,%,$<); } > $@
-tmp