New core21 0.0.18 with NVIDIA bug workaround released!

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New core21 0.0.18 with NVIDIA bug workaround released!

Postby JohnChodera » Mon Jan 30, 2017 8:55 pm

We are pleased to announce the release of core 21 v0.0.18 to full FAH.

This release contains a workaround for a change made in the NVIDIA OpenCL driver introduced in drivers starting with 375.57, as well as some improvements to error handling codes.

While a slight reduction in performance may be observed for those with NVIDIA cards, this performance regression should be eliminated when NVIDIA removes the hotfix in forthcoming driver updates.

There is a known issue that this release will, for some projects, print sporadic messages to the log due to a known visualizer bug:

05:34:52:WARNING:FS01:Size of positions 64914 does not match topology 19

This issue does not affect the quality of the science, and a workaround is already in testing for v0.0.19, which we hope to release in a week.

Thank you all for your patience.

~ The FAH Core 21 crew
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JohnChodera
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Re: New core21 0.0.18 with NVIDIA bug workaround released!

Postby JohnChodera » Mon Mar 27, 2017 7:35 pm

UPDATE: NVIDIA win driver 378.66 should be the first version where the NVIDIA FAH hotfix has been removed.

We have a test build of 0.0.20---which fixes the visualizer problems---in testing right now.

Thanks for your patience!

~ The FAH Core 21 crew
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JohnChodera
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