mpir/bench/timing.h

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2009-03-20 12:16:35 -04:00
/* timing.h
Copyright 2003 Free Software Foundation, Inc.
This file is part of MPIRbench.
MPIRbench is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 2.1 of the License, or (at your option) any later
version.
The MPIRbench is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
the MPIRbench; see the file COPYING. If not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define TIME(t,func) \
do { long int __t0, __times, __t, __tmp; \
__times = 1; \
{func;} \
do \
{ \
__times <<= 1; \
__t0 = cputime (); \
for (__t = 0; __t < __times; __t++) \
{func;} \
__tmp = cputime () - __t0; \
} \
while (__tmp < 250); \
(t) = (double) __tmp / __times; \
} while (0)