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