>
> Thanks a lot for the clarification. Do you know if this empirical tests
> has been published somehow/somewhere?
I think it was published in very early OSU/MVAPICH related papers.
Regards,
P.
>
> cheers, Simone
>
>>
>> On May 7, 2012, at 9:25 AM, Simone Pellegrini wrote:
>>
>>> Hello,
On May 9, 2012, at 8:45 AM, Simone Pellegrini wrote:
>> I *believe* that this value came out of IB hardware history. I.e., when we
>> wrote the openib BTL, some empirical testing showed that 12k was a good
>> value.
>
> Thanks a lot for the clarification. Do you know if this empirical tests
On Tue 08 May 2012 02:53:28 AM CEST, Jeff Squyres (jsquyres) wrote:
I *believe* that this value came out of IB hardware history. I.e., when we
wrote the openib BTL, some empirical testing showed that 12k was a good value.
Thanks a lot for the clarification. Do you know if this empirical
I *believe* that this value came out of IB hardware history. I.e., when we
wrote the openib BTL, some empirical testing showed that 12k was a good value.
On May 7, 2012, at 9:25 AM, Simone Pellegrini wrote:
> Hello,
> I have one of those 1M dollar questions I guess, but why the eager limit
>
Hello,
I have one of those 1M dollar questions I guess, but why the eager limit
threshold for Infiniband is set to 12KB by default in OpenMPI? I would
like to know where this value comes from. I am not wondering whether
this is a good setting for this parameter, but just why this is