benchtests/Makefile

   1 # Copyright (C) 2013-2015 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   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.
   8
   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.
  13
  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/>.
  17
  18
  19 # Makefile for benchmark tests.  The only useful target here is `bench`.
  20 # Add benchmark functions in alphabetical order.
  21
  22 subdir := benchtests
  23
  24 include ../Makeconfig
  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
  27
  28 bench-pthread := pthread_once
  29
  30 bench := $(bench-math) $(bench-pthread)
  31
  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 \
  38                 strcoll
  39 string-bench-all := $(string-bench)
  40
  41 # We have to generate locales
  42 LOCALES := en_US.UTF-8 tr_TR.UTF-8 cs_CZ.UTF-8 fa_IR.UTF-8 fr_FR.UTF-8 \
  43            ja_JP.UTF-8 si_LK.UTF-8 en_GB.UTF-8 vi_VN.UTF-8 ar_SA.UTF-8 \
  44            da_DK.UTF-8 pl_PL.UTF-8 pt_PT.UTF-8 el_GR.UTF-8 ru_RU.UTF-8 \
  45            iw_IL.UTF-8 is_IS.UTF-8 es_ES.UTF-8 hi_IN.UTF-8 sv_SE.UTF-8 \
  46            hu_HU.UTF-8 it_IT.UTF-8 sr_RS.UTF-8 zh_CN.UTF-8
  47 include ../gen-locales.mk
  48
  49 stdlib-bench := strtod
  50
  51 stdio-common-bench := sprintf
  52
  53 benchset := $(string-bench-all) $(stdlib-bench) $(stdio-common-bench)
  54
  55 CFLAGS-bench-ffs.c += -fno-builtin
  56 CFLAGS-bench-ffsll.c += -fno-builtin
  57
  58 bench-malloc := malloc-thread
  59
  60 $(addprefix $(objpfx)bench-,$(bench-math)): $(libm)
  61 $(addprefix $(objpfx)bench-,$(bench-pthread)): $(shared-thread-library)
  62 $(objpfx)bench-malloc-thread: $(shared-thread-library)
  63
  64 \f
  65
  66 # Rules to build and execute the benchmarks.  Do not put any benchmark
  67 # parameters beyond this point.
  68
  69 # We don't want the benchmark programs to run in parallel since that could
  70 # affect their performance.
  71 .NOTPARALLEL:
  72
  73 include ../Rules
  74
  75 binaries-bench := $(addprefix $(objpfx)bench-,$(bench))
  76 binaries-benchset := $(addprefix $(objpfx)bench-,$(benchset))
  77 binaries-bench-malloc := $(addprefix $(objpfx)bench-,$(bench-malloc))
  78
  79 # The default duration: 10 seconds.
  80 ifndef BENCH_DURATION
  81 BENCH_DURATION := 10
  82 endif
  83
  84 CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION)
  85
  86 # Use clock_gettime to measure performance of functions.  The default is to use
  87 # HP_TIMING if it is available.
  88 ifdef USE_CLOCK_GETTIME
  89 CPPFLAGS-nonlib += -DUSE_CLOCK_GETTIME
  90 endif
  91
  92 DETAILED_OPT :=
  93
  94 ifdef DETAILED
  95 DETAILED_OPT := -d
  96 endif
  97
  98 # This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed
  99 # for all these modules.
 100 cpp-srcs-left := $(binaries-benchset:=.c) $(binaries-bench:=.c) \
 101                  $(binaries-bench-malloc:=.c)
 102 lib := nonlib
 103 include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
 104
 105 extra-objs += json-lib.o
 106
 107 bench-deps := bench-skeleton.c bench-timing.h Makefile
 108
 109 run-bench = $(test-wrapper-env) \
 110             $(run-program-env) \
 111             $($*-ENV) $(rtld-prefix) $${run}
 112
 113 timing-type := $(objpfx)bench-timing-type
 114
 115 bench-clean:
 116         rm -f $(binaries-bench) $(addsuffix .o,$(binaries-bench))
 117         rm -f $(binaries-benchset) $(addsuffix .o,$(binaries-benchset))
 118         rm -f $(binaries-bench-malloc) $(addsuffix .o,$(binaries-bench-malloc))
 119         rm -f $(timing-type) $(addsuffix .o,$(timing-type))
 120
 121 bench: $(timing-type) $(gen-locales) bench-set bench-func bench-malloc
 122
 123 bench-set: $(binaries-benchset)
 124         for run in $^; do \
 125           echo "Running $${run}"; \
 126           $(run-bench) > $${run}.out; \
 127         done
 128
 129 bench-malloc: $(binaries-bench-malloc)
 130         run=$(objpfx)bench-malloc-thread; \
 131         for thr in 1 8 16 32; do \
 132           echo "Running $${run} $${thr}"; \
 133           $(run-bench) $${thr} > $${run}-$${thr}.out; \
 134         done
 135
 136 # Build and execute the benchmark functions.  This target generates JSON
 137 # formatted bench.out.  Each of the programs produce independent JSON output,
 138 # so one could even execute them individually and process it using any JSON
 139 # capable language or tool.
 140 bench-func: $(binaries-bench)
 141         { timing_type=$$($(timing-type)); \
 142         echo "{\"timing_type\": \"$${timing_type}\","; \
 143         echo " \"functions\": {"; \
 144         for run in $^; do \
 145           if ! [ "x$${run}" = "x$<" ]; then \
 146             echo ","; \
 147           fi; \
 148           echo "Running $${run}" >&2; \
 149           $(run-bench) $(DETAILED_OPT); \
 150         done; \
 151         echo; \
 152         echo " }"; \
 153         echo "}"; } > $(objpfx)bench.out-tmp; \
 154         if [ -f $(objpfx)bench.out ]; then \
 155           mv -f $(objpfx)bench.out $(objpfx)bench.out.old; \
 156         fi; \
 157         mv -f $(objpfx)bench.out-tmp $(objpfx)bench.out
 158         scripts/validate_benchout.py $(objpfx)bench.out \
 159                 scripts/benchout.schema.json
 160
 161 $(timing-type) $(binaries-bench) $(binaries-benchset) \
 162         $(binaries-bench-malloc): %: %.o $(objpfx)json-lib.o \
 163   $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
 164   $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
 165         $(+link)
 166
 167 $(objpfx)bench-%.c: %-inputs $(bench-deps)
 168         { if [ -n "$($*-INCLUDE)" ]; then \
 169           cat $($*-INCLUDE); \
 170         fi; \
 171         scripts/bench.py $(patsubst %-inputs,%,$<); } > $@-tmp
 172         mv -f $@-tmp $@