Re: [PERFORM] Help with tuning this query (with

Tom Lane <[email protected]>
Newsgroups gmane.comp.db.postgresql.devel.win32,gmane.comp.db.postgresql.performance
Message-ID <[email protected]>
John A Meinel <[email protected]> writes:
> Dave Held wrote:
>> There is always clock().

> My experience with clock() on win32 is that CLOCKS_PER_SEC was 1000, and 
> it had a resolution of 55clocks / s. When I just did this:

The other problem is it measures process CPU time, not elapsed time
which is probably more significant for our purposes.

Which brings up a question: just what does QueryPerformanceCounter
measure?

			regards, tom lane

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