Re: NAMD 2.9b2-cuda does not scale well compared to NAMD 2.8

From: Thomas Albers (
Date: Tue Apr 03 2012 - 07:37:54 CDT

Hi Norman,

> Just for completion, you also didn't mention if you have used ibverbs in
> your self compiled cuda build, too. If not, you are possibly using the ipoib
> device ib0 (see ifconfig)

in case this wasn't clear before: all these timing results are with
ibverbs builds. IP networking nowhere enters the picture.


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