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From: Pavel Begunkov <[email protected]>
To: Jens Axboe <[email protected]>, [email protected]
Subject: Re: [PATCH 0/2] post F_COMP_LOCKED optimisations
Date: Wed, 14 Oct 2020 21:00:33 +0100	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On 14/10/2020 20:53, Jens Axboe wrote:
> On 10/14/20 1:44 PM, Pavel Begunkov wrote:
>> A naive test with io_uring-bench with [nops, submit/complete batch=32]
>> shows 5500 vs 8500 KIOPS. Not really representative but might hurt if
>> left without [1/2].
> 
> Part of this is undoubtedly that we only use the task_work for things
> that need signaling, for the deferred put case we should be able to
> get by with using notfy == 0 for task_work.
> 
> That said, it's nice to avoid when possible. At this point, I'd like
> to fold these into the last patch of the original series. What do you
> think?

Yep, was thinking the same. It's better to be in 5.10, and that would
be easier to do by squashing.

-- 
Pavel Begunkov

  reply	other threads:[~2020-10-14 20:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-14 19:44 [PATCH 0/2] post F_COMP_LOCKED optimisations Pavel Begunkov
2020-10-14 19:44 ` [PATCH 1/2] io_uring: optimise COMP_LOCK-less flush_completion Pavel Begunkov
2020-10-14 19:44 ` [PATCH 2/2] io_uring: optimise io_fail_links() Pavel Begunkov
2020-10-15  8:53   ` Nathan Chancellor
2020-10-15 10:11     ` Pavel Begunkov
2020-10-15 13:09       ` Jens Axboe
2020-10-14 19:53 ` [PATCH 0/2] post F_COMP_LOCKED optimisations Jens Axboe
2020-10-14 20:00   ` Pavel Begunkov [this message]
2020-10-14 20:24     ` Jens Axboe

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