Author: Vincent Diepeveen
Date: 14:48:31 05/19/05
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On May 18, 2005 at 11:35:13, Robert Hyatt wrote: Is testing a testset automatically getting done deterministically or non deterministically as compared to a single position that you set up? Vincent >On May 18, 2005 at 00:37:13, Les Fernandez wrote: > >>Hi Bob, >> >>Was just wondering if you had the time to check on the answer to my post several >>days ago. >> >>>That can happen, yes. I am not sure about how the EPD stuff is done, it might >>>well clear the hash table anyway, I'll look... >> >>Thanks, >> >>Les > >Yes, but I forgot to respond, sorry. Turns out the EPD stuff does not force any >hash table clearing. However, if you run the same test set repeatedly, this >should still produce the same test results for almost all positions. There will >be some variability in a very small number of positions, because the previous >positions was searched slightly longer or slightly shorter the second run due to >how time expires and terminates the search. Of course, if you cleared the hash >table between positions, you would _still_ see this variability since the search >could be almost ready to fail high and run out of time on one run, on the next >run it does fail high before time expires...
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