Re: NAMD with CUDA

From: Prakash Velayutham (prakash.velayutham_at_cchmc.org)
Date: Mon May 11 2009 - 11:46:13 CDT

Hi,

Just wondering if anyone has any experience with this.

Thanks,
Prakash

On May 7, 2009, at 2:06 PM, Prakash Velayutham wrote:

> Hi,
>
> I was wondering if CHARM needs to be built with CUDA option for NAMD
> (with --with-cuda option) to make use of GPUs.
>
> I compiled NAMD 2.7b1 like following:
>
> Built Charm 6.1.2 as below:
>
> /build charm++ multicore-linux64
>
> Built NAMD as below:
>
> /config Linux-x86_64 --with-cuda --charm-arch multicore-linux64
> cd Linux-x86_64
> make
>
> But the test apoa1 code runs slower using GPU than using the CPU
> itself. Just wanted to know what the reason could be.
>
> Thanks,
> Prakash
>

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