On Sep 30, 2011, at 6:29 AM, Salvatore Podda wrote:
> For the above reason, does anyone, in the list, know which the order/ranking
> by which the
> ethernet interfaces will be qeuried in the case of multiple ones?
> And which are the rules?
They're all used equally.
--
Jeff Squyres
jsquy...@ci
Thanks for the prompt reply!
On Sep 27, 2011, at 6:35 AM, Salvatore Podda wrote:
We would like to know if the ethernet interfaces play any role in
the startup phase of an opempi job using InfiniBand
In this case, where we can found some literature on this topic?
Unfortunately, there's n
On 09/27/2011 05:30 PM, Jeff Squyres wrote:
> On Sep 27, 2011, at 5:03 PM, Prentice Bisbal wrote:
>
>> To clarify, is IP/Ethernet required, or will IPoIB be used if it's
>> configured on the nodes? Would this make a difference.
>
> IPoIB is fine, although I've heard concerns about its stability a
On Sep 27, 2011, at 5:03 PM, Prentice Bisbal wrote:
> To clarify, is IP/Ethernet required, or will IPoIB be used if it's
> configured on the nodes? Would this make a difference.
IPoIB is fine, although I've heard concerns about its stability at scale.
The difference that it'll make is that it's
On 09/27/2011 07:50 AM, Jeff Squyres wrote:
> On Sep 27, 2011, at 6:35 AM, Salvatore Podda wrote:
>
>> We would like to know if the ethernet interfaces play any role in the
>> startup phase of an opempi job using InfiniBand
>> In this case, where we can found some literature on this topic?
On Sep 27, 2011, at 6:35 AM, Salvatore Podda wrote:
> We would like to know if the ethernet interfaces play any role in the
> startup phase of an opempi job using InfiniBand
> In this case, where we can found some literature on this topic?
Unfortunately, there's not a lot of docs about thi
Dear all,
We would like to know if the ethernet interfaces play any role in the
startup phase of an opempi job using InfiniBand
In this case, where we can found some literature on this topic?
This interest arises from some observations of a substantial time
overhead on the startup of our
