[openib-general] [PATCH] IB/ipoib: NAPI

Shirley Ma xma at us.ibm.com
Tue Sep 26 22:08:35 PDT 2006






Hi, Roland,

>     Shirley> It can be a configuration option to enable/disable NAPI,
>     Shirley> just like other network device.
>
> But is there any reason to keep the non-NAPI code around?  I hate to
> have  two codepaths to maintain.

If you would like to maintain one code path only, then we need to compare
the NAPI patch with thread-context polling mode patch. I did see big
performance improvement with thread-context polling mode patch I have been
working on. (I used to split CQ. I am tring without splitting CQ now). And
I think it would improve multiple links performance in share one EQ
situation.

thanks
Shirley Ma
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