Re: [AMBER] What is minimum GPU bandwidth to get AMBER to run properly?

From: Ross Walker <ross.rosswalker.co.uk>
Date: Sun, 09 Jun 2013 10:02:12 -0700

Hi G,

For single GPU runs it should not have a huge impact on performance. Where
it will impact is if you set ntpr, ntwr, ntwx, ntwe or ntwv to low values.
Beyond that as long as you don't try to run multi GPU runs it should run
quite well.

All the best
Ross



On 6/9/13 7:46 AM, "ET" <sketchfoot.gmail.com> wrote:

>Hi all,
>
>I've got a single TITAN set up on a relatively low machine as we have run
>out of slots on our better machines.
>
>I was a bit worried about the bandwidth test obtained from on the machine
>which seemed a bit on the low side:
>
>#########################################
>[CUDA Bandwidth Test] - Starting...
>Running on...
>
> Device 0: GeForce GTX TITAN
> Quick Mode
>
> Host to Device Bandwidth, 1 Device(s)
> PINNED Memory Transfers
> Transfer Size (Bytes) Bandwidth(MB/s)
> 33554432 3805.0
>
> Device to Host Bandwidth, 1 Device(s)
> PINNED Memory Transfers
> Transfer Size (Bytes) Bandwidth(MB/s)
> 33554432 2927.0
>
> Device to Device Bandwidth, 1 Device(s)
> PINNED Memory Transfers
> Transfer Size (Bytes) Bandwidth(MB/s)
> 33554432 220748.1
>##################################
>
>I just wanted to know whether this was OK and what the minimum bandwidth
>was for a GPU in solo and dual-GPU setups.
>
>br,
>g
>_______________________________________________
>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 Sun Jun 09 2013 - 10:30:02 PDT
Custom Search