[mpich-discuss] libfabric+psm2 performance

[Antonio J. Peña]

Thank you folks. I'd have loved to get an older libfabric, but an oldish 
kernel version at MN4 prevented me from compiling a more recent one.

I'll give your suggestions a try once I get the chance to spend some 
more time on this.

   Toni


El 16/6/21 a las 21:47, Zhou, Hui escribió:
>
> Yeah, as Wesley suggested, it will shed more light if you try set the 
> environment variable MPIR_CVAR_CH4_OFI_CAPABILITY_SETS_DEBUG and get 
> some diagnostics. We haven’t tested against such old libfabric for a 
> while so some discrepancy in the capability set may have crept in.
>
> -- 
> Hui Zhou
>
> *From: *Bland, Wesley via discuss <discuss at mpich.org>
> *Date: *Wednesday, June 16, 2021 at 8:47 AM
> *To: *Antonio J. Peña <antonio.pena at bsc.es>
> *Cc: *Bland, Wesley <wesley.bland at intel.com>, MPICH Discuss 
> <discuss at mpich.org>
> *Subject: *Re: [mpich-discuss] libfabric+psm2 performance
>
> If you set the environment variable 
> MPIR_CVAR_CH4_OFI_CAPABILITY_SETS_DEBUG, it will print out the 
> capability set (and provider) that MPICH is using so you can confirm.
>

-- 
Antonio J. Peña (PhD)
Team Lead, Accelerators and Communications for HPC | Teaching and Research Staff
Sr. Researcher, Computer Sciences Department       | Computer Architecture Department
Barcelona Supercomputing Center (BSC)              | Universitat Politècnica de Catalunya (UPC)
http://www.bsc.es/pena-antonio
===============================
Looking for job opportunities? Open positions in my team. Please contact me.

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