AW: Three GPU cards on shared-mem motherboard

From: Norman Geist (norman.geist_at_uni-greifswald.de)
Date: Tue May 29 2012 - 01:24:34 CDT

Hi Francesco,

This processor provides 6 physical cores, don’t confuse that with logical cores. So you have 6 GPUs and 6 cores, I can't see a problem here?

Norman Geist.

> -----Ursprüngliche Nachricht-----
> Von: owner-namd-l_at_ks.uiuc.edu [mailto:owner-namd-l_at_ks.uiuc.edu] Im
> Auftrag von Francesco Pietra
> Gesendet: Montag, 28. Mai 2012 10:53
> An: NAMD
> Betreff: namd-l: Three GPU cards on shared-mem motherboard
>
> Hello:
> I am using NAMD on a consumer motherboard with two GTX-580 and one AMD
> Phenom II 1075T (six logical CPUs).
>
> I wonder whether NAMD code can run on three GTX-580 with the same AMD
> cpu above (providing the required two logical CPUs per GPU board). If
> so, I would also have to change the motherboard. I am considering
>
> MSI MB 990XA-GD80 AM3 SB950 4DDRIII PCI-E ESATA SATA III ATX
>
> which can host three GTX-580.
>
> Thanks for advice
>
> francesco pietra

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