Re: [AMBER] Cuda tests failure on GeForce GTX 780

From: Jason Swails <jason.swails.gmail.com>
Date: Tue, 1 Jul 2014 09:50:51 -0700

On Tue, Jul 1, 2014 at 9:17 AM, Serzhan Sakipov <ssakipov.andrew.cmu.edu>
wrote:

> Hi Amber users,
>
> I have two GPUs - GTX 780 (ID=0,2 in deviceQuery output attached) for
> simulation using Amber. I've cuda 5.5 installed in my system.
> test.cuda has 8 fails on each GPUs. GPU ID was selected by environment
> variable CUDA_VISIBLE_DEVICES.
> What can be the problem? Are these failures critical for further
> simulations using these GPUs or not?
> I've attached test log and diffs files for both GPUs.
>

‚ÄčAll I see in those logs are benign round-off errors. Differences on the
order of 10^-4 or 10^-3 are safely ignored.

HTH,
Jason

-- 
Jason M. Swails
BioMaPS,
Rutgers University
Postdoctoral Researcher
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Received on Tue Jul 01 2014 - 10:00:02 PDT
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