Re: [AMBER-Developers] IPS in pmemd

From: David A Case <case.biomaps.rutgers.edu>
Date: Fri, 20 Jul 2012 08:01:21 -0400

On Thu, Jul 19, 2012, Romelia Salomon wrote:
>
> As Ross, I also don't think having ips for VdW should be a problem,

Just note that IPS=1 includes both electrostatic and vdW as IPS; IPS=2
has just electrostatics, and should be faster, but I don't know by how much.

>
> #procs NO-longrange PME-orig PME-new IPS-new
> 4 409.21 553.72 550.47 475.03
> 8 219.93 290.28 291.92 250.88
> 16 127.92 159.21 159.51 144.96
> 32 75.23 91.02 90.19 79.76
> 64 73.58 79.80 79.22 73.35
>

Thanks for the update! I only see problems beyond 64 threads, so I'll keep
investigating.

....dac


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Received on Fri Jul 20 2012 - 05:30:03 PDT
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