1 /* Benchmark utility functions.
2    Copyright (C) 2015-2021 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 
20 #ifndef START_ITER
21 # define START_ITER (100000000)
22 #endif
23 
24 /* bench_start reduces the random variations due to frequency scaling by
25    executing a small loop with many memory accesses.  START_ITER controls
26    the number of iterations.  */
27 
28 void bench_start (void);
29