[gmx-users] performance question

[David Mobley]

If you're not planning on running parallel jobs I would go for the
higher clock speed. If you're running parallel, well, I am not sure.

On 3/13/07, Andrei Neamtu <aneamtu at iasi.mednet.ro> wrote:
> Hello,
>
> We are in the process of building a cluster on which GROMACS will be
> the main computational engine and I have a question about performance.
> We are not yet decided what to buy (we can not test them in advance).
>
> Which configuration do you think will be better:
> - 8 servers with 2 x dual core opterons 2220 (2,8 GHz) = 32 cores
> or
> - 4 servers with 2 x quad core Xeons 5335 (2.0 GHz) = 32 cores
>
> Both configurations with Infiniband Interconnect. My opinion is that
> the  Xeon based should be the choice because of its 128 sse bus, but I
> don't know what to say about the clock speed difference.
>
> Thank you,
> Andrei
>
>
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