Author: Gian-Carlo Pascutto
Date: 14:13:13 09/26/01
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On September 26, 2001 at 16:15:35, Ren Wu wrote: >Your NPS number seems low, those numbers are for PII-450, not for Athlon 1000. > >First i'll check if in somewhere you do system call too often, for example, when >did you check time during search, are you call clock() too often? Try your >engine without any external calls and see. > >Are you update 64bits counters at every node? Those can be slow too. What i'll >do is to use a extra 32 bits counter, and only update 64 bits one when this 32 >bits counter reached to a certain number, for example > 16K. This also served as >a event to wake up the eventchecker, to see if time is up, and the user has >input anything etc. > >also, try to follow those general principles, like try use int instead other >type, alien data structure etc. All those small things can added into a big one. > >Last, are you sure that you didn't do a nodes >>= 2 in any place. :) Thanks for the advice, but I'm afraid it's a 'no' on all points :-/ -- GCP
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