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Subject: Re: Crafty 15_20 vs Crafty16_8

Author: Jeremiah Penery

Date: 18:07:05 06/01/99

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On June 01, 1999 at 20:50:39, Hristo wrote:

>On June 01, 1999 at 20:08:41, Gregor Overney wrote:
>
>>There are several reasons why you got a stronger 15.20. But let's look at
>>"plain" search strength.
>>
>>Did you run 'bench' on 15.20 and 16.8 to make sure that both engines run roughly
>>the same amount of nodes/second? It is possible that 15.20 has been compiled
>>with /Oa and VC++ 5.0 SP3. Until SP3 of VC++ 6.0 got released, Microsoft was
>>"able" to sell a broken version of /Oa. It seems to be fixed in SP3. This little
>>difference makes your code run 5% faster.
>>
>>Gregor
>
>Thanks ...
>I didn't do the bench thing. But it will be done tonight.
>Probably I should get the "new" 16.8 ...
>
>Hristo

16.8 will lkely be quite a bit faster in terms of NPS, because of the inline
assembly that isn't in 15.20.  Also, the newer versions were compiled with
options that make it faster anyway.

Jeremiah



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