n Behalf Of
> *Xiaolong
> Cui
> *Sent:* Thursday, August 11, 2016 2:13 PM
>
> *To:* Open MPI Users
> *Subject:* Re: [OMPI users] runtime performance tuning for Intel OMA
> interconnect
>
>
>
> Sorry, forgot the attachments.
>
>
>
> On Thu, Aug 11, 2016
...@lists.open-mpi.org] On Behalf Of Xiaolong Cui
Sent: Thursday, August 11, 2016 2:13 PM
To: Open MPI Users
Subject: Re: [OMPI users] runtime performance tuning for Intel OMA interconnect
Sorry, forgot the attachments.
On Thu, Aug 11, 2016 at 5:06 PM, Xiaolong Cui
mailto:sunshine...@gmail.com
ESH -> Largest supported
>> value.
>>
>>
>>
>> Regards,
>>
>>
>>
>> _MAC
>>
>>
>>
>> *From:* users [mailto:users-boun...@lists.open-mpi.org] *On Behalf Of
>> *Xiaolong
>> Cui
>> *Sent:* Wednesday,
PSM2_MQ_RNDV_HFI_THRESH -> Largest supported
> value.
>
>
>
> Regards,
>
>
>
> _MAC
>
>
>
> *From:* users [mailto:users-boun...@lists.open-mpi.org] *On Behalf Of
> *Xiaolong
> Cui
> *Sent:* Wednesday, August 10, 2016 7:19 PM
> *To:* Open MPI Users
Open MPI Users
Subject: Re: [OMPI users] runtime performance tuning for Intel OMA interconnect
Hi Matias,
Thanks a lot, that's very helpful!
What I need indeed is to always use eager mode. But I didn't find any
information about PSM2_MQ_EAGER_SDMA_SZ online. Would you please elaborat
Hi Matias,
Thanks a lot, that's very helpful!
What I need indeed is to always use eager mode. But I didn't find any
information about PSM2_MQ_EAGER_SDMA_SZ online. Would you please elaborate
on "Just in case PSM2_MQ_EAGER_SDMA_SZ changes PIO to SDMA, always in eager
mode."
Thanks!
Michael
On We
Hi Michael,
When Open MPI run on Omni-Path it will choose the PSM2 MTL by default, to use
the libpsm2.so. Strictly speaking, it has compatibility to run using the openib
BTL. However, the performance so significantly impacted that it is, not only
discouraged, but no tuning would make sense. Reg
