<< Click to Display Table of Contents >> Navigation:  ThinBASIC Core Language > BuiltIn Functions > Timing functions > HiResTimer_Init

 

Description

 

Check and initialize the high-resolution performance counter.

 

Syntax

 

n = HiResTimer_Init

 

Returns

 

Number

%TRUE if the installed hardware supports a high-resolution performance counter

 

Parameters

 

 

Remarks

 

Call this function once before calling any HiResTimer_Get or HiResTimer_Delta.

This function also internally store the last execution timer in order to be able to compute delta timing just calling HiResTimer_Delta function.

 

Restrictions

 

Attention: the function calling itself add some few microseconds overhead.

 

See also

 

Examples

 

'...

Dim T1, T2 As QUAD

 

'---Initialize hi resolution timer

HiResTimer_Init

 

T1 = HiResTimer_Get

'---Do whatever needed to be measured

T2 = HiResTimer_Get

 

MSGBOX 0, "Elapsed time in microseconds: " & FORMAT$(T2-T1, "#0")