Re: [Bug-gnubg] Attempt to speed up single threaded use in multi threaded build

[Jonathan Kinsey]

Hi Max,

Is this a nogui only problem?

Jon

Massimiliano Maini wrote:
> I also get some random crap output with more than 1 thread on Win CLI
> builds (nogui).
> I run the 0ply analysis of a 7pt match and the sgf of the anlyzed
> output is sometimes
> screwed up. It's random but can easily be reproduced insisting a bit.
>
> Michael, did you have a chance to reproduce ?
>
> MaX.
>
> 2009/8/30 Jonathan Kinsey :
>> I've checked in a experimental change which will hopefully speed up the
>> single-thread evaluation in the multi-threaded build. If this works (and the
>> multi-thread evaluation isn't slower) we can remove the single threaded
>> code.
>>
>> Hopefully Max will create a build from this code and we can check the speed
>> of
>> this compared to the recent builds. Ideally 5 tests should help this:
>>
>> old single threaded build.
>> old multi threaded build with 1 thread.
>> new multi threaded build with 1 thread.
>> old multi threaded build with threads set to number of cores.
>> new multi threaded build with threads set to number of cores.
>>
>> Jon
>>
>> Ps. I've simplified the change from when I initially tried this a while ago
>> using some magic #defines, hopefully they'll work ok on linux.
>>
>>
>>
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>
>

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