Messages in this thread | | | Subject | Re: [RFC PATCH 0/2] Optimise io_uring completion waiting | From | Jens Axboe <> | Date | Fri, 13 Sep 2019 18:31:11 -0600 |
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On 9/13/19 4:28 PM, Pavel Begunkov (Silence) wrote: > From: Pavel Begunkov <asml.silence@gmail.com> > > There could be a lot of overhead within generic wait_event_*() used for > waiting for large number of completions. The patchset removes much of > it by using custom wait event (wait_threshold). > > Synthetic test showed ~40% performance boost. (see patch 2)
Nifty, from an io_uring perspective, I like this a lot.
The core changes needed to support it look fine as well. I'll await Peter/Ingo's comments on it.
-- Jens Axboe
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