Messages in this thread | | | Date | Fri, 10 Jul 2020 01:58:21 -0400 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH RFC v8 02/11] vhost: use batched get_vq_desc version |
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On Fri, Jul 10, 2020 at 07:39:26AM +0200, Eugenio Perez Martin wrote: > > > How about playing with the batch size? Make it a mod parameter instead > > > of the hard coded 64, and measure for all values 1 to 64 ... > > > > > > Right, according to the test result, 64 seems to be too aggressive in > > the case of TX. > > > > Got it, thanks both!
In particular I wonder whether with batch size 1 we get same performance as without batching (would indicate 64 is too aggressive) or not (would indicate one of the code changes affects performance in an unexpected way).
-- MST
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