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 acos-ARGLIST = double
  27 acos-RET = double
  28 LDFLAGS-bench-acos = -lm
  29
  30 acosh-ARGLIST = double
  31 acosh-RET = double
  32 LDFLAGS-bench-acosh = -lm
  33
  34 asin-ARGLIST = double
  35 asin-RET = double
  36 LDFLAGS-bench-asin = -lm
  37
  38 asinh-ARGLIST = double
  39 asinh-RET = double
  40 LDFLAGS-bench-asinh = -lm
  41
  42 atan-ARGLIST = double
  43 atan-RET = double
  44 LDFLAGS-bench-atan = -lm
  45
  46 atanh-ARGLIST = double
  47 atanh-RET = double
  48 LDFLAGS-bench-atanh = -lm
  49
  50 cos-ARGLIST = double
  51 cos-RET = double
  52 LDFLAGS-bench-cos = -lm
  53
  54 cosh-ARGLIST = double
  55 cosh-RET = double
  56 LDFLAGS-bench-cosh = -lm
  57
  58 exp-ARGLIST = double
  59 exp-RET = double
  60 LDFLAGS-bench-exp = -lm
  61
  62 log-ARGLIST = double
  63 log-RET = double
  64 LDFLAGS-bench-log = -lm
  65
  66 pow-ARGLIST = double:double
  67 pow-RET = double
  68 LDFLAGS-bench-pow = -lm
  69
  70 rint-ARGLIST = double
  71 rint-RET = double
  72 LDFLAGS-bench-rint = -lm
  73
  74 sin-ARGLIST = double
  75 sin-RET = double
  76 LDFLAGS-bench-sin = -lm
  77
  78 sinh-ARGLIST = double
  79 sinh-RET = double
  80 LDFLAGS-bench-sinh = -lm
  81
  82 tan-ARGLIST = double
  83 tan-RET = double
  84 LDFLAGS-bench-tan = -lm
  85
  86 tanh-ARGLIST = double
  87 tanh-RET = double
  88 LDFLAGS-bench-tanh = -lm
  89
  90 \f
  91
  92 # Rules to build and execute the benchmarks.  Do not put any benchmark
  93 # parameters beyond this point.
  94
  95 include ../Makeconfig
  96 include ../Rules
  97
  98 binaries-bench := $(addprefix $(objpfx)bench-,$(bench))
  99
 100 # The default duration: 10 seconds.
 101 ifndef BENCH_DURATION
 102 BENCH_DURATION := 10
 103 endif
 104
 105 CPPFLAGS-nonlib = -DDURATION=$(BENCH_DURATION)
 106
 107 # Use clock_gettime to measure performance of functions.  The default is to use
 108 # HP_TIMING if it is available.
 109 ifdef USE_CLOCK_GETTIME
 110 CPPFLAGS-nonlib += -DUSE_CLOCK_GETTIME
 111 endif
 112
 113 # This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed
 114 # for all these modules.
 115 cpp-srcs-left := $(binaries-bench:=.c)
 116 lib := nonlib
 117 include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
 118
 119 bench-deps := bench-skeleton.c bench-timing.h Makefile
 120
 121 run-bench = $(test-wrapper-env) \
 122             GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
 123             $($*-ENV) $(rtld-prefix) $${run}
 124
 125 bench-clean:
 126         rm -f $(binaries-bench) $(addsuffix .o,$(binaries-bench))
 127
 128 bench: $(binaries-bench)
 129         { for run in $^; do \
 130           echo "Running $${run}" >&2; \
 131           $(run-bench); \
 132         done; } > $(objpfx)bench.out-tmp; \
 133         if [ -f $(objpfx)bench.out ]; then \
 134           mv -f $(objpfx)bench.out $(objpfx)bench.out.old; \
 135         fi; \
 136         mv -f $(objpfx)bench.out-tmp $(objpfx)bench.out
 137
 138 $(binaries-bench): %: %.o \
 139   $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
 140   $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
 141         $(+link)
 142
 143 $(objpfx)bench-%.c: %-inputs $(bench-deps)
 144         { if [ -n "$($*-INCLUDE)" ]; then \
 145           cat $($*-INCLUDE); \
 146         fi; \
 147         $(..)scripts/bench.pl $(patsubst %-inputs,%,$<) \
 148           $($*-ARGLIST) $($*-RET); } > $@-tmp
 149         mv -f $@-tmp $@