benchtests/Makefile

   1 # Copyright (C) 2013 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 bench := acos acosh asin asinh atan atanh cos cosh exp log modf pow rint sin \
  24          sinh tan tanh
  25
  26 # String function benchmarks.
  27 string-bench := bcopy bzero memccpy memchr memcmp memmem memmove mempcpy \
  28                 memset rawmemchr stpcpy stpncpy strcasecmp strcasestr strcat \
  29                 strchr strchrnul strcmp strcpy strcspn strlen strncasecmp \
  30                 strncat strncmp strncpy strnlen strpbrk strrchr strspn strstr \
  31                 strcpy_chk stpcpy_chk
  32 string-bench-ifunc := $(addsuffix -ifunc, $(string-bench))
  33 string-bench-all := $(string-bench) $(string-bench-ifunc)
  34
  35 benchset := $(string-bench-all)
  36
  37 acos-ARGLIST = double
  38 acos-RET = double
  39 LDFLAGS-bench-acos = -lm
  40
  41 acosh-ARGLIST = double
  42 acosh-RET = double
  43 LDFLAGS-bench-acosh = -lm
  44
  45 asin-ARGLIST = double
  46 asin-RET = double
  47 LDFLAGS-bench-asin = -lm
  48
  49 asinh-ARGLIST = double
  50 asinh-RET = double
  51 LDFLAGS-bench-asinh = -lm
  52
  53 atan-ARGLIST = double
  54 atan-RET = double
  55 LDFLAGS-bench-atan = -lm
  56
  57 atanh-ARGLIST = double
  58 atanh-RET = double
  59 LDFLAGS-bench-atanh = -lm
  60
  61 cos-ARGLIST = double
  62 cos-RET = double
  63 LDFLAGS-bench-cos = -lm
  64
  65 cosh-ARGLIST = double
  66 cosh-RET = double
  67 LDFLAGS-bench-cosh = -lm
  68
  69 exp-ARGLIST = double
  70 exp-RET = double
  71 LDFLAGS-bench-exp = -lm
  72
  73 log-ARGLIST = double
  74 log-RET = double
  75 LDFLAGS-bench-log = -lm
  76
  77 pow-ARGLIST = double:double
  78 pow-RET = double
  79 LDFLAGS-bench-pow = -lm
  80
  81 rint-ARGLIST = double
  82 rint-RET = double
  83 LDFLAGS-bench-rint = -lm
  84
  85 sin-ARGLIST = double
  86 sin-RET = double
  87 LDFLAGS-bench-sin = -lm
  88
  89 sinh-ARGLIST = double
  90 sinh-RET = double
  91 LDFLAGS-bench-sinh = -lm
  92
  93 tan-ARGLIST = double
  94 tan-RET = double
  95 LDFLAGS-bench-tan = -lm
  96
  97 tanh-ARGLIST = double
  98 tanh-RET = double
  99 LDFLAGS-bench-tanh = -lm
 100
 101 \f
 102
 103 # Rules to build and execute the benchmarks.  Do not put any benchmark
 104 # parameters beyond this point.
 105
 106 # We don't want the benchmark programs to run in parallel since that could
 107 # affect their performance.
 108 .NOTPARALLEL:
 109
 110 include ../Makeconfig
 111 include ../Rules
 112
 113 binaries-bench := $(addprefix $(objpfx)bench-,$(bench))
 114 binaries-benchset := $(addprefix $(objpfx)bench-,$(benchset))
 115
 116 # The default duration: 10 seconds.
 117 ifndef BENCH_DURATION
 118 BENCH_DURATION := 10
 119 endif
 120
 121 CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION)
 122
 123 # Use clock_gettime to measure performance of functions.  The default is to use
 124 # HP_TIMING if it is available.
 125 ifdef USE_CLOCK_GETTIME
 126 CPPFLAGS-nonlib += -DUSE_CLOCK_GETTIME
 127 endif
 128
 129 # This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed
 130 # for all these modules.
 131 cpp-srcs-left := $(binaries-benchset:=.c) $(binaries-bench:=.c)
 132 lib := nonlib
 133 include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
 134
 135 bench-deps := bench-skeleton.c bench-timing.h Makefile
 136
 137 run-bench = $(test-wrapper-env) \
 138             GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
 139             $($*-ENV) $(rtld-prefix) $${run}
 140
 141 bench-clean:
 142         rm -f $(binaries-bench) $(addsuffix .o,$(binaries-bench))
 143         rm -f $(binaries-benchset) $(addsuffix .o,$(binaries-benchset))
 144
 145 bench: bench-set bench-func
 146
 147 bench-set: $(binaries-benchset)
 148         for run in $^; do \
 149           echo "Running $${run}"; \
 150           $(run-bench) > $${run}.out; \
 151         done
 152
 153 bench-func: $(binaries-bench)
 154         { for run in $^; do \
 155           echo "Running $${run}" >&2; \
 156           $(run-bench); \
 157         done; } > $(objpfx)bench.out-tmp; \
 158         if [ -f $(objpfx)bench.out ]; then \
 159           mv -f $(objpfx)bench.out $(objpfx)bench.out.old; \
 160         fi; \
 161         mv -f $(objpfx)bench.out-tmp $(objpfx)bench.out
 162
 163 $(binaries-bench) $(binaries-benchset): %: %.o \
 164   $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
 165   $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
 166         $(+link)
 167
 168 $(objpfx)bench-%.c: %-inputs $(bench-deps)
 169         { if [ -n "$($*-INCLUDE)" ]; then \
 170           cat $($*-INCLUDE); \
 171         fi; \
 172         $(..)scripts/bench.pl $(patsubst %-inputs,%,$<) \
 173           $($*-ARGLIST) $($*-RET); } > $@-tmp
 174         mv -f $@-tmp $@