K:/Projects/scplusplus/gpl_releases/nttw/include/timing.h File Reference

High Resolution Timing Header/Object for the NTTW C Library. More...

#include <time.h>
#include "global.h"

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Defines
#define	START_TIMER   ( clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &startTime) )
	< Start Timer Macro (Linux)
#define	RESTART_TIMER   ( clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &startTime) )
	Stop Timer Macro (Linux).
#define	STOP_TIMER   ( clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &stopTime) )
	Time elapsed so far, return timespec struct (Linux).
#define	TIME_ELAPSED   ( diff_times(startTime, stopTime) )
	Returns seconds elapsed (Linux).
#define	SECONDS_ELAPSED   ( diff_times(startTime, stopTime).tv_sec )
	Return nano-seconds elapsed, use with SECONDS_ELAPSED to get total time (Linux).
#define	NANOSECONDS_ELAPSED   ( diff_times(startTime, stopTime).tv_nsec )
	Returns time in milli-seconds (Linux).
#define	MILLISECONDS_ELAPSED   ( diff_times(startTime, stopTime).tv_sec*1000ULL + diff_times(startTime, stopTime).tv_nsec/1000000ULL )
	Returns time in micro-seconds (Linux).
#define	MICROSECONDS_ELAPSED   ( diff_times(startTime, stopTime).tv_sec*1000000ULL + diff_times(startTime, stopTime).tv_nsec/1000ULL )
Functions
NTTW_DLL_SYM struct timespec	diff_times (const struct timespec start, const struct timespec end)
Variables
static struct timespec	startTime
	Start Time Global Variable (Linux).
static struct timespec	stopTime
	Start Time Global Variable (Linux).

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Detailed Description

High Resolution Timing Header/Object for the NTTW C Library.

NTTW High Resolution Timing Module

This file defines the functions that wrap all the OS dependent high resolution timing functions. Only supports Windows and POSIX (including Linux) Operating Systems.

This file is part of NTTW Library.

NTTW 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 3 of the License, or (at your option) any later version.

NTTW 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 NTTW. If not, see <http://www.gnu.org/licenses/>.

Author:

Shekhar S. Chandra, 2009

Definition in file timing.h.