Performance Issue on GPU

Samuel Andermatt samuel.a... at
Thu Nov 13 09:14:08 UTC 2014

Could you post your archfile, your input file and your output (especially 
the timing report at the end). Also it would be interesting to know what 
CPU you have.

On Thursday, November 13, 2014 4:24:28 AM UTC+1, Narsimha Reddy wrote:
> Hi all,
> I have compiled cp2k with GPU and without GPU and started running sample 
> benchmarks.
> But i have observed that GPU is taking more used time than CPU. Kindly any 
> one suggest me how to get of this hurdle.
> (I am using Nvidia Tesla K20 C with Cuda compilation tools, release 6.0, 
> V6.0.1 &  Kernel Module  331.75 & CentOS 6.4).
> Thanks,
> Narsimha.
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