benchtests/bench-timing.h

   1 /* Define timing macros.
   2    Copyright (C) 2013-2020 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #undef attribute_hidden
  20 #define attribute_hidden
  21 #ifdef USE_CLOCK_GETTIME
  22 # include <sysdeps/generic/hp-timing.h>
  23 #else
  24 # include <hp-timing.h>
  25 #endif
  26 #include <stdint.h>
  27
  28 #define GL(x) _##x
  29 #define GLRO(x) _##x
  30 typedef hp_timing_t timing_t;
  31
  32 #define TIMING_TYPE "hp_timing"
  33
  34 #define TIMING_NOW(var) HP_TIMING_NOW (var)
  35 #define TIMING_DIFF(diff, start, end) HP_TIMING_DIFF ((diff), (start), (end))
  36 #define TIMING_ACCUM(sum, diff) HP_TIMING_ACCUM_NT ((sum), (diff))
  37
  38 #define TIMING_PRINT_MEAN(d_total_s, d_iters) \
  39   printf ("\t%g", (d_total_s) / (d_iters))