From: Jens Axboe <[email protected]>
To: Pavel Begunkov <[email protected]>, [email protected]
Subject: Re: [PATCH 0/2] post F_COMP_LOCKED optimisations
Date: Wed, 14 Oct 2020 14:24:54 -0600 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 10/14/20 2:00 PM, Pavel Begunkov wrote:
> 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.
OK, done.
--
Jens Axboe
prev parent reply other threads:[~2020-10-14 20:24 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
2020-10-14 20:24 ` Jens Axboe [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox