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time considerations - GPGPU does not work for BG.

Posted By: eXtreme Gammon
Date: Thursday, 30 August 2012, at 12:04 a.m.

In Response To: time considerations - (Frank Berger)

I agree with Frank, my own experiments on GPGPU that your can gain some speed on large Matrix calculation.

here are 2 posting i made about that:

  • http://www.bgonline.org/forums/webbbs_config.pl?frames;read=72491
  • http://www.bgonline.org/forums/webbbs_config.pl?frames;read=72465

    At the time, I pointed that the time spend in the NN was only 34%. Since version 2 and the introduction of the pruning NN that number went up to 48%. The rest of the time is spend in finding the possible move, setting up the input of the NN, converting cubeless to cubeful, etc... None of these can take advantage of a GPU.

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