[torqueusers] doubt of running job on infiniband network

Xiangqian Wang jascha.wang at gmail.com
Mon Apr 23 23:17:03 MDT 2012


Thanks for you, James and Christopher. And it seems that I need no more
configuration to torque.
在 2012-4-24 上午11:13,"Christopher Samuel" <samuel at unimelb.edu.au>写道:

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> On 24/04/12 03:04, Coyle, James J [ITACD] wrote:
>
> > For openmpi compiled this way, communication uses IB if it is
> > available, otherwise it will use IP (Ethernet) communication.
>
> You can verify that it is doing so by using lsof on the process and
> looking for it accessing the uverbs device, thus:
>
> [root at merri001 ~]# lsof -p 22234 | grep uverbs
> namd2   22234 samuel  mem    CHR            231,192              6424
> /dev/infiniband/uverbs0
> namd2   22234 samuel   12u   CHR            231,192      0t0     6424
> /dev/infiniband/uverbs0
>
>
> - --
>    Christopher Samuel - Senior Systems Administrator
>  VLSCI - Victorian Life Sciences Computation Initiative
>  Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
>         http://www.vlsci.unimelb.edu.au/
>
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