Author: Les Fernandez
Date: 14:43:35 05/15/05
Go up one level in this thread
On May 15, 2005 at 10:57:45, Robert Hyatt wrote: >On May 15, 2005 at 00:56:02, Les Fernandez wrote: > >>On May 14, 2005 at 23:43:44, Robert Hyatt wrote: >> >>>On May 14, 2005 at 13:44:51, Les Fernandez wrote: >>> >>>>Is there anyway I can clear cache while running a group of EPD positions without >>>>having to run one position at a time to force the clearing of the cache. I was >>>>kind of hoping there is a parameter that I can set to accomplish this. >>>> >>>>Thanks, >>>> >>>>Les >>> >>> >>>cache? You mean transposition/refutation table (hash table) stuff? >>> >>>No particular reason to do so that I can think of... >> >>Hi Bob, >> >>I guess what I was thinking is that if I have alot of similar EPD positions in a >>file and I run crafty on the data set that there is a chance that some of the >>positions solutions would be found more quickly if there was some cache hits >>from previous positions. I may be wrong since I am not quite sure what crafty >>does but I seem to remember that at times cache hits on similar positions can >>sometimes help in finding a solution. Is this correct? If I am wrong then are >>you saying that if I have 20 very similar positions in a file and run crafty on >>them that there wont be a difference in solution time whether I run the epd >>psotions one at a time (thus resetting cach automatically) vs running all 20 >>positions in a batch type mode? >> >>Thanks, >> >>Les > > >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 for your help here Bob. I will look for your followup post to see if this is someting I need to be concerned about. Les
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