> -----Original Message-----
> From: Greg Stark [mailto:gsstark@mit.edu]
> Sent: Monday, March 07, 2005 12:06 PM
> To: John A Meinel
> Cc: Tom Lane; Magnus Hagander; Ken Egervari;
> pgsql-performance@postgresql.org; pgsql-hackers-win32@postgresql.org
> Subject: Re: [pgsql-hackers-win32] [PERFORM] Help with tuning
> this query (with
> [...]
> What would be really neato would be to use the rtdsc (sp?) or
> equivalent assembly instruction where available. Most processors
> provide such a thing and it would give much lower overhead and much
> more accurate answers.
>
> The main problem I see with this would be on multi-processor
> machines. (QueryPerformanceCounter does work properly on
> multi-processor machines, right?)
I believe QueryPerformanceCounter() already does this.
__
David B. Held
Software Engineer/Array Services Group
200 14th Ave. East, Sartell, MN 56377
320.534.3637 320.253.7800 800.752.8129