Re: [AMBER] cuda.test errors

From: Jonathan Gough <jonathan.d.gough.gmail.com>
Date: Sat, 12 Jul 2014 09:10:45 -0400

Thanks Ross,

GPU's have been validated. Excellent job on the validation package. Works
perfectly!

Jonathan


On Fri, Jul 11, 2014 at 6:03 PM, Ross Walker <ross.rosswalker.co.uk> wrote:

> Hi Jonathan,
>
> This is fine - most of the differences are very small. The bigger
> differences are due to differences in the random number generator between
> GPU models. I am working on making the test cases more robust in this
> respect.
>
> If you want to check that the GPUs themselves are working properly
> download and run the following validation suite:
> https://dl.dropboxusercontent.com/u/708185/GPU_Validation_Test.tar.gz
>
> All the best
> Ross
>
>
> On 7/11/14, 2:53 PM, "Jonathan Gough" <jonathan.d.gough.gmail.com> wrote:
>
> >I just installed amber14 and ambertools14 on a new installation of centOS
> >6.4
> >
> >Using
> > NVIDIA-SMI 340.24 Driver Version: 340.24
> >
> >and Nvidia Toolkit 5.0
> >
> >2 GPU's
> >[root.mdbox amber14]# nvidia-smi
> >Fri Jul 11 17:47:48 2014
> >+------------------------------------------------------+
> >
> >| NVIDIA-SMI 340.24 Driver Version: 340.24
> >|
> >|-------------------------------+----------------------+------------------
> >----+
> >| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr.
> >ECC |
> >| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute
> >M. |
> >|===============================+======================+==================
> >====|
> >| 0 GeForce GTX TITAN On | 0000:01:00.0 N/A |
> >N/A |
> >| 30% 36C P8 N/A / N/A | 97MiB / 6143MiB | N/A E.
> >Process |
> >+-------------------------------+----------------------+------------------
> >----+
> >| 1 GeForce GTX 780 On | 0000:04:00.0 N/A |
> >N/A |
> >| 26% 28C P8 N/A / N/A | 11MiB / 3071MiB | N/A E.
> >Process |
> >+-------------------------------+----------------------+------------------
> >----+
> >
> >
> >+-------------------------------------------------------------------------
> >----+
> >| Compute processes: GPU
> >Memory |
> >| GPU PID Process name
> >Usage |
> >|=========================================================================
> >====|
> >| 0 Not
> >Supported |
> >| 1 Not
> >Supported |
> >+-------------------------------------------------------------------------
> >----+
> >[root.mdbox amber14]#
> >
> >Persistence and Compute Exclusive Modes were set.
> >
> >configure was done using gnu
> >
> >however the cuda.test gave the following failures (see attached files)
> >
> >99 file comparisons passed
> >26 file comparisons failed
> >
> >the errors are mostly small, but obviously things aren't exactly correct.
> >
> >Is it safe to proceed? Is there something I maybe missing?
> >
> >Thanks,
> >Jonathan
> >_______________________________________________
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> >AMBER.ambermd.org
> >http://lists.ambermd.org/mailman/listinfo/amber
>
>
>
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Received on Sat Jul 12 2014 - 06:30:02 PDT
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