Thanks, Ross.
I think I will give it a shot.
2018-05-22 23:08 GMT+02:00 Ross Walker <ross.rosswalker.co.uk>:
> Hi Adam,
>
> Wow, that looks like some serious Frankenstein kit right there. I'd be
> shocked if that even worked for GPUs let alone for AMBER. If it does
> actually work then in principal for single GPU simulations where you do
> minimal I/O it should actually run fairly well with less than PCI-E x16.
> How much less? I haven't tested below 4x. 1x is probably too low but would
> at least work in theory. If however you wanted to do anything where there
> was more than minimal I/O - say ntwx<5000 or you were doing something that
> required the CPU as well, e.g. NFE simulations then performance would be
> very bad.
>
> My advice would be that for $6 it might be worth a gamble just for the
> coolness of having the GPU hanging outside of the box like some half
> severed limb but I'd do that assuming that my $6 investment was a writeoff
> for what would be an interesting experiment. The gamble is if it catches
> fire it could take your $600+ GPU with it.
>
> If you do try it I'd be interested to hear the results.
>
> All the best
> Ross
>
> > On May 22, 2018, at 10:20 AM, Hadházi Ádám <hadadam.gmail.com> wrote:
> >
> > Dear Amber Users,
> >
> > - Do you know if it is possible to use a PCI-E riser card with "1x lane
> > speed" in GPU accelerated Amber MD/TI simulations?
> >
> > e.g.:
> > https://www.ebay.com/itm/USB-3-0-Pcie-PCI-E-Express-1x-To-
> 16x-Extender-Riser-Card-Adapter-Power-BTC-Cable/
> 391967356615?_trkparms=aid%3D555018%26algo%3DPL.SIM%26ao%
> 3D2%26asc%3D50544%26meid%3Dd2d377f6ecb14912a56c849ad915
> a99e%26pid%3D100011%26rk%3D1%26rkt%3D12%26sd%3D302261295960%26itm%
> 3D391967356615&_trksid=p2047675.c100011.m1850
> >
> > (We are not interested in combining more GPUs to one MD task... but a
> riser
> > would provide flexible spacing to avoid overheating GPUs)
> >
> > Best,
> > Adam
> > _______________________________________________
> > AMBER mailing list
> > AMBER.ambermd.org
> > http://lists.ambermd.org/mailman/listinfo/amber
>
>
> _______________________________________________
> AMBER mailing list
> AMBER.ambermd.org
> http://lists.ambermd.org/mailman/listinfo/amber
>
_______________________________________________
AMBER mailing list
AMBER.ambermd.org
http://lists.ambermd.org/mailman/listinfo/amber
Received on Tue May 22 2018 - 15:00:02 PDT
