[gmx-users] Re: Hardware for best gromacs performance?

[Mark Abraham]

Yes, that has been true for GROMACS for a few years. Low-latency
communication is essential if you want a whole MD step to happen in around
1ms wall time.

Mark
On Nov 5, 2013 11:24 PM, "Dwey Kauffman" <mpi566 at gmail.com> wrote:

> Hi Szilard,
>
>  Thanks.
>
> >From Timo's benchmark,
> 1  node        142 ns/day
> 2  nodes FDR14 218 ns/day
> 4  nodes FDR14 257 ns/day
> 8  nodes FDR14 326 ns/day
>
>
> It looks like a infiniband network is "required" in order to scale up when
> running a task across nodes. Is it correct ?
>
>
> Dwey
>
>
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