[openib-general] Re: openib-general Digest, Vol 22, Issue 114

[Shirley Ma]

Roland Dreier <rdreier at cisco.com> wrote on 04/18/2006 02:33:55 PM:

>     Shirley> This is another patch to gain huge performance on ehca
>     Shirley> driver.  I haven't submitted yet. :-)
> 
> What does the patch do?
> 
>  - R.

The patch allows you tuning send/recv NUM_WC per poll and add some
cycles before polling to sync with the hardware.

This is not a mature patch. But I have found it dramatically improve
the performance and reduce N times of the interrupts on ehca driver.

Thanks
Shirley Ma
IBM Linux Technology Center
15300 SW Koll Parkway
Beaverton, OR 97006-6063
Phone(Fax): (503) 578-7638
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