Re: [AMBER] Amber20 Performance on RTX (Turing): known problems, with a patch forthcoming

From: David A Case <>
Date: Fri, 7 Aug 2020 20:41:25 -0400

On Tue, Jul 21, 2020, Tim Travers wrote:
>I wanted to inquire if the patch for Amber20 that you mentioned below will
>be made available? We are currently using CUDA 10.2 on Turing cards and
>have seen the same slowdown. Not sure if these cards are among those that
>do not perform the thread synchronization, and so would not benefit here by
>upgrading to CUDA 11.

I made a premature announcement about this a day or so ago, but I think
the new patches are working. You can get these via update_amber, or by simply
re-running cmake. Then recompile. Look for update.6 for AmberTools, and
update.2 for Amber.

"There's many a slip....", so let us know if you see things that don't seem


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Received on Fri Aug 07 2020 - 18:00:03 PDT
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