1 # Copyright (C) 2013-2017 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.
24 bench-math
:= acos acosh asin asinh atan atanh cos cosh exp exp2 log log2 \
25 modf pow rint sin sincos sinh sqrt tan tanh fmin fmax fminf \
28 bench-pthread
:= pthread_once
30 bench-string
:= ffs ffsll
32 bench
:= $(bench-math
) $(bench-pthread
) $(bench-string
)
34 # String function benchmarks.
35 string-benchset
:= bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
36 mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
37 strcat strchr strchrnul strcmp strcpy strcspn strlen \
38 strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
39 strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
40 strcoll memcpy-large memmove-large memset-large
42 # Build and run locale-dependent benchmarks only if we're building natively.
43 ifeq (no
,$(cross-compiling
))
44 wcsmbs-benchset
:= wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \
45 wcscmp wcsncmp wcschr wcschrnul wcsrchr wcsspn wcspbrk wcscspn \
46 wmemchr wmemset wmemcmp
51 string-benchset-all
:= $(string-benchset
) ${wcsmbs-benchset
}
53 ifeq (no
,$(cross-compiling
))
54 # We have to generate locales
55 LOCALES
:= en_US.UTF-8 tr_TR.UTF-8 cs_CZ.UTF-8 fa_IR.UTF-8 fr_FR.UTF-8 \
56 ja_JP.UTF-8 si_LK.UTF-8 en_GB.UTF-8 vi_VN.UTF-8 ar_SA.UTF-8 \
57 da_DK.UTF-8 pl_PL.UTF-8 pt_PT.UTF-8 el_GR.UTF-8 ru_RU.UTF-8 \
58 he_IL.UTF-8 is_IS.UTF-8 es_ES.UTF-8 hi_IN.UTF-8 sv_SE.UTF-8 \
59 hu_HU.UTF-8 it_IT.UTF-8 sr_RS.UTF-8 zh_CN.UTF-8
60 include ..
/gen-locales.mk
63 stdlib-benchset
:= strtod
65 stdio-common-benchset
:= sprintf
67 math-benchset
:= math-inlines
69 benchset
:= $(string-benchset-all
) $(stdlib-benchset
) $(stdio-common-benchset
) \
72 CFLAGS-bench-ffs.c
+= -fno-builtin
73 CFLAGS-bench-ffsll.c
+= -fno-builtin
74 CFLAGS-bench-sqrt.c
+= -fno-builtin
75 CFLAGS-bench-fmin.c
+= -fno-builtin
76 CFLAGS-bench-fminf.c
+= -fno-builtin
77 CFLAGS-bench-fmax.c
+= -fno-builtin
78 CFLAGS-bench-fmaxf.c
+= -fno-builtin
80 bench-malloc
:= malloc-thread
82 $(addprefix $(objpfx
)bench-
,$(bench-math
)): $(libm
)
83 $(addprefix $(objpfx
)bench-
,$(math-benchset
)): $(libm
)
84 $(addprefix $(objpfx
)bench-
,$(bench-pthread
)): $(shared-thread-library
)
85 $(objpfx
)bench-malloc-thread
: $(shared-thread-library
)
89 # Rules to build and execute the benchmarks. Do not put any benchmark
90 # parameters beyond this point.
92 # We don't want the benchmark programs to run in parallel since that could
93 # affect their performance.
98 binaries-bench
:= $(addprefix $(objpfx
)bench-
,$(bench
))
99 binaries-benchset
:= $(addprefix $(objpfx
)bench-
,$(benchset
))
100 binaries-bench-malloc
:= $(addprefix $(objpfx
)bench-
,$(bench-malloc
))
102 # The default duration: 10 seconds.
103 ifndef BENCH_DURATION
107 CPPFLAGS-nonlib
+= -DDURATION
=$(BENCH_DURATION
)
109 # Use clock_gettime to measure performance of functions. The default is to use
110 # HP_TIMING if it is available.
111 ifdef USE_CLOCK_GETTIME
112 CPPFLAGS-nonlib
+= -DUSE_CLOCK_GETTIME
121 # This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed
122 # for all these modules.
123 cpp-srcs-left
:= $(binaries-benchset
:=.c
) $(binaries-bench
:=.c
) \
124 $(binaries-bench-malloc
:=.c
)
126 include $(patsubst %,$(..
)cppflags-iterator.mk
,$(cpp-srcs-left
))
128 bench-extra-objs
= json-lib.o
130 extra-objs
+= $(bench-extra-objs
)
132 bench-deps
:= bench-skeleton.c bench-timing.h Makefile
134 run-bench
= $(test-wrapper-env
) \
136 $($*-ENV
) $(test-via-rtld-prefix
) $${run}
138 timing-type
:= $(objpfx
)bench-timing-type
141 rm -f
$(binaries-bench
) $(addsuffix .o
,$(binaries-bench
))
142 rm -f
$(binaries-benchset
) $(addsuffix .o
,$(binaries-benchset
))
143 rm -f
$(binaries-bench-malloc
) $(addsuffix .o
,$(binaries-bench-malloc
))
144 rm -f
$(timing-type
) $(addsuffix .o
,$(timing-type
))
145 rm -f
$(addprefix $(objpfx
),$(bench-extra-objs
))
147 # Define the bench target only if the target has a usable python installation.
149 bench
: bench-build bench-set bench-func bench-malloc
152 @echo
"The bench target needs python to run."
156 # Target to only build the benchmark without running it. We generate locales
157 # only if we're building natively.
158 ifeq (no
,$(cross-compiling
))
159 bench-build
: $(gen-locales
) $(timing-type
) $(binaries-bench
) \
160 $(binaries-benchset
) $(binaries-bench-malloc
)
162 bench-build
: $(timing-type
) $(binaries-bench
) $(binaries-benchset
) \
163 $(binaries-bench-malloc
)
166 bench-set
: $(binaries-benchset
)
168 echo
"Running $${run}"; \
169 $(run-bench
) > $${run}.out
; \
172 bench-malloc
: $(binaries-bench-malloc
)
173 run
=$(objpfx
)bench-malloc-thread
; \
174 for thr in
1 8 16 32; do \
175 echo
"Running $${run} $${thr}"; \
176 $(run-bench
) $${thr} > $${run}-$${thr}.out
; \
179 # Build and execute the benchmark functions. This target generates JSON
180 # formatted bench.out. Each of the programs produce independent JSON output,
181 # so one could even execute them individually and process it using any JSON
182 # capable language or tool.
183 bench-func
: $(binaries-bench
)
184 { timing_type
=$$($(timing-type
)); \
185 echo
"{\"timing_type\": \"$${timing_type}\","; \
186 echo
" \"functions\": {"; \
188 if
! [ "x$${run}" = "x$<" ]; then \
191 echo
"Running $${run}" >&2; \
192 $(run-bench
) $(DETAILED_OPT
); \
196 echo
"}"; } > $(objpfx
)bench.out-tmp
; \
197 if
[ -f
$(objpfx
)bench.out
]; then \
198 mv
-f
$(objpfx
)bench.out
$(objpfx
)bench.out.old
; \
200 mv
-f
$(objpfx
)bench.out-tmp
$(objpfx
)bench.out
201 $(PYTHON
) scripts
/validate_benchout.py
$(objpfx
)bench.out \
202 scripts
/benchout.schema.json
204 $(timing-type
) $(binaries-bench
) $(binaries-benchset
) \
205 $(binaries-bench-malloc
): %: %.o
$(objpfx
)json-lib.o \
206 $(link-extra-libs-tests
) \
207 $(sort $(filter $(common-objpfx
)lib
%,$(link-libc
))) \
208 $(addprefix $(csu-objpfx
),start.o
) $(+preinit
) $(+postinit
)
211 $(objpfx
)bench-
%.c
: %-inputs
$(bench-deps
)
212 { if
[ -n
"$($*-INCLUDE)" ]; then \
215 $(PYTHON
) scripts
/bench.py
$(patsubst %-inputs
,%,$<); } > $@
-tmp