[mvapich-discuss] Mvapich2 over OFA: number of CQ entries

[Sumit Panchasara]

Hello Mvapich2 Team,

 

Recently we have observed that MVAPICH2 over OFA does not run any test (i.e.
IMB-MPI1, IMB-EXT, OSU, rotate etc.) due to CQEs being passed in
"ibv_create_cq()".

 

Issue:

Our provider supports only 32K (0x8000) CQEs where as MVAPICH2 calls
create_cq() with 0x9c40 CQEs. 

This causes failure and not able to run any tests further.

 

Is there any workaround for the same which limits CQEs being created from
Mvapich2?

 

Thanks,

 

Sumit Panchasara

Embedded Engineer - eInfochips Ltd., India.

www.einfochips.com

 


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