Author: Komputer Korner
Date: 11:14:03 05/22/05
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On May 22, 2005 at 13:55:03, Dieter Buerssner wrote: >What you are seeing is the following: Because you are using email/Internet >browsing/..., the OS swaps out (parts of) the hash tables of the chess engine. >When you finished the browsing, the RAM is available again for the engine. Many >programs would swap in there RAM in one second, but chess engines don't. They >access the HT in more or less random fashion. Each HT access will swap in a >memory page. For each such access, a head movement in the hard disk may be >needed. > >When the engine would access the HT from start to end, it would swap it in fast. >You can reach this, by clicking on "Clear Hash", or by resizing it twice (say >from 300 MB to 200 MB and back to 300 MB). Restarting the GUI will of course >also help. Or just waiting a few minutes while the engine is searching. After >such a while, all RAM of the HT will be swapped in again, too. > >Unlike others, I see no problem in using the virtual memory of the Computer. Of >course, you would not want to start a chess match or take search times literally >during the "swap in again phase". > >Regards, >Dieter Thanks for the explanation Dieter, However my method of restarting the GUI(25 seconds max) is faster than waiting a couple of minutes for the Swap in again period.
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