[gmx-users] Tesla GPUs: P40 or P100?

[Matteo Tiberti]

Hi,

thanks for your suggestion - we hadn't considered those Quadros, but they
do sound like a great option.
I'll be asking for availability and pricing.

Cheers

Matteo

Il giorno gio 19 set 2019 alle ore 20:39 Szilárd Páll <
pall.szilard at gmail.com> ha scritto:

> Hi,
>
> I strongly recommend the Quadro RTX series,  6000 or 5000. These should not
> be a lot more expensive, but will be a lot faster than the Pascal
> generation cards. For comparisons see our recent paper:
> https://doi.org/10.1002/jcc.26011
>
> Cheers,
> --
> Szilárd
>
> On Thu, Sep 19, 2019, 09:50 Matteo Tiberti <matteo.tiberti at gmail.com>
> wrote:
>
> > Hi all,
> >
> > we are considering getting a new server, mainly for GROMACS and for other
> > CPU-intensive tasks.
> >
> > Unfortunately we are unable to buy consumer GPUs and we need to get
> Teslas
> > to accelerate GROMACS and possibly for other MD workload in the future.
> > Both P40 and P100 fit our budget, and I'd be inclined towards the P40 for
> > the slightly better single-precision performance and larger memory. The
> P40
> > has however lower bandwidth and much lower double-precision performance
> > respect
> > to the P100 (it's more similar to a consumer GPU in this extent), which
> > shouldn't matter as far as GROMACS is concerned right now. I've seen some
> > talk in the mailing list about implementing mixed/fixed precision modes
> in
> > GROMACS, and for what I gathered it's unlikely to happen anytime soon,
> so I
> > believe the P40 to be a future-proof choice (at least in the short-medium
> > term).
> >
> > This said, I feel like the P40 isn't getting much recognition both in the
> > mailing list and in the "bang for your bucks" papers - so my question
> boils
> > down to, is there any reason we should prefer the P100 card over the P40?
> >
> > Thanks for your help!
> >
> > Matteo
> > --
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