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Man Pages


Manual Reference Pages  -  HPL_TIMER (3)

NAME

HPL_timer - Timer facility.

CONTENTS

Synopsis
Description
Arguments
See Also

SYNOPSIS

#include "hpl.h"

void HPL_timer( const int I );

DESCRIPTION

HPL_timer provides a "stopwatch" functionality cpu/wall timer in seconds. Up to 64 separate timers can be functioning at once. The first call starts the timer, and the second stops it. This routine can be disenabled by calling HPL_timer_disable(), so that calls to the timer are ignored. This feature can be used to make sure certain sections of code do not affect timings, even if they call routines which have HPL_timer calls in them. HPL_timer_enable() will re-enable the timer functionality. One can retrieve the current value of a timer by calling

t0 = HPL_timer_inquire( HPL_WALL_TIME | HPL_CPU_TIME, I )

where I is the timer index in [0..64). To initialize the timer functionality, one must have called HPL_timer_boot() prior to any of the functions mentioned above.

ARGUMENTS

I (global input) const int
  On entry, I specifies the timer to stop/start.

SEE ALSO

HPL_timer_cputime (3), HPL_timer_walltime (3).
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HPL 2.1 HPL_TIMER (3) October 26, 2012

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