Author: Albert Silver
Date: 07:09:31 10/10/05
Go up one level in this thread
On October 10, 2005 at 04:12:23, Uri Blass wrote:
>On October 10, 2005 at 04:03:26, Fabien Letouzey wrote:
>
>>On October 09, 2005 at 12:41:57, Albert Silver wrote:
>>
>>>As I've been testing the various engines on the PDA, and I just acquired Pocket
>>>Grandmaster that has further engines available, I decided to do a quick
>>>comparison on Fruit 2.1 running on PGM as opposed to CEBoard.
>>
>>>I admit I only did this testing expecting a maximum difference of a couple of
>>>percent, since they were both running identically, with 8MB hash. However the
>>>results were quite different. Fruit 2.1 running on CEBoard was consistently
>>>about 40% faster in a half dozen test positions. I can test more, but I don't
>>>expect any change in results. When Fruit achieved 45kns in CEBoard, it would
>>>achieve 32 in PGM, and this was apparent at all times.
>>
>>>I found this quite surprising and wonder the reason.
>>
>>Hi Albert,
>>
>>Indeed!
>>Did you check node count?
>>
>>Fabien.
>
>from the original post that you quote:
>
>"When Fruit achieved 45kns in CEBoard, it would
>achieve 32 in PGM, and this was apparent at all times."
>
>Uri
I also checked the total nodes for solving positions, and the evalutions at each
ply to confirm they were identical. Really, there is no doubt on the comparative
results.
Albert
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