Re: rdtsc vs. GetTickCount()

At 15:41:08, 28.08.2005, Bruce McGee wrote:

> The following function (from the MM Challenge) does not compile in
> Delphi 5. Is it save to replace this with GetTickCount for
> compatibility, or will that cause problems?
>
> function GetCPUTicks: Int64;
> asm
> rdtsc;
> end;

GetTickCount will not give you the same number. It has a very, very
different granularity.

RDTSC was not known to the D5 compiler. You can probably emulate it with

asm
dw $310F
end;



--
Rudy Velthuis [TeamB] http://velthuis.homepage.t-online.de

"Never interrupt your enemy when he is making a mistake."
- Napoleon Bonaparte (1769-1821)
.

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