Leonid,
Leonid Arsh <[EMAIL PROTECTED]> wrote on 04/26/2006 04:33:57 AM:
> Shirley Ma wrote:
> >
> > I am working on a patch to use multiple threads work queue for ipoib
> > completion polling. Have you tried to this on your driver?
> No, we made some experiments with NAPI, tried also to split CQ
> (as I already wrote, this didn't help with tasklet completion handling.)
> We also tried to handle completions in HW interrupts (pretty long ago),
> but this didn't give us any improvement then.
>
> Regards,
> Leonid
>
Without seeing your patch, I coudn't say anything. I guess your implemention
didn't handler multithreads simultanously. If you only have one interrupt handler,
couldn't see any reason you can get better performance number with
splitting CQs.
Could you please post your NAPI patch here?
As I mentioned I will test my patch to see how's the performance.
Thanks
Shirley Ma
IBM Linux Technology Center
15300 SW Koll Parkway
Beaverton, OR 97006-6063
Phone(Fax): (503) 578-7638
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