Author: martin fierz
Date: 00:14:24 09/28/02
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On September 27, 2002 at 23:29:58, Anthony Cozzie wrote: >Recently, I profiled my chess engine, and one function in particular stood out. >The transposition probe function takes about 7% of the CPU time, or about 350 >cycles/call. All it does is access the transposition table, but the random >nature of the accesses means that it usually misses in the cache AND the TLB, >thus requiring 2 memory accesses at 100+ cycles each. [snip] >Has anyone else tried to something similar with better results? i haven't tried anything, but i have a similar experience with my hashtable - it takes an awful amount of time in my checkers program (hashlookup + hashstore take about 20%!! of my time according to AMD codeanalyst) aloha martin
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