[ofw] [PATCH] post 80% of SRQ buffers, code cleanup

Smith, Stan stan.smith at intel.com
Thu Feb 24 10:21:09 PST 2011


>-----Original Message-----
>From: Hefty, Sean
>Sent: Thursday, February 24, 2011 10:10 AM
>To: Smith, Stan; Alex Naslednikov
>Cc: ofw at lists.openfabrics.org
>Subject: RE: [PATCH] post 80% of SRQ buffers, code cleanup
>
>> Post 80% of SRQ buffers initially such that the SRQ buffer pool will not be
>> required to grow as often, reduce RNR errors under stress.
>
>Why wouldn't you just post 100% of the SRQ buffers, or just shrink the size of the SRQ?

20% pool allocation for growing the SRQ posted pool in CQ callback routine which covers the case when no SRQ buffers remain posted.




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