From: Gabriel Krisman Bertazi <[email protected]>
To: Pavel Begunkov <[email protected]>
Cc: [email protected], Jens Axboe <[email protected]>,
[email protected]
Subject: Re: [RFC 00/11] optimise registered buffer/file updates
Date: Fri, 31 Mar 2023 10:35:09 -0300 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]> (Pavel Begunkov's message of "Thu, 30 Mar 2023 15:53:18 +0100")
Pavel,
Pavel Begunkov <[email protected]> writes:
> Updating registered files and buffers is a very slow operation, which
> makes it not feasible for workloads with medium update frequencies.
> Rework the underlying rsrc infra for greater performance and lesser
> memory footprint.
>
> The improvement is ~11x for a benchmark updating files in a loop
> (1040K -> 11468K updates / sec).
Nice. That's a really impressive improvement.
I've been adding io_uring test cases for automated performance
regression testing with mmtests (open source). I'd love to take a look
at this test case and adapt it to mmtests, so we can pick it up and run
it frequently.
is it something you can share?
--
Gabriel Krisman Bertazi
next prev parent reply other threads:[~2023-03-31 13:35 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-30 14:53 [RFC 00/11] optimise registered buffer/file updates Pavel Begunkov
2023-03-30 14:53 ` [PATCH 01/11] io_uring/rsrc: use non-pcpu refcounts for nodes Pavel Begunkov
2023-03-30 14:53 ` [PATCH 02/11] io_uring/rsrc: keep cached refs per node Pavel Begunkov
2023-03-30 14:53 ` [PATCH 03/11] io_uring: don't put nodes under spinlocks Pavel Begunkov
2023-03-30 14:53 ` [PATCH 04/11] io_uring: io_free_req() via tw Pavel Begunkov
2023-03-30 14:53 ` [PATCH 05/11] io_uring/rsrc: protect node refs with uring_lock Pavel Begunkov
2023-03-30 14:53 ` [PATCH 06/11] io_uring/rsrc: kill rsrc_ref_lock Pavel Begunkov
2023-03-30 14:53 ` [PATCH 07/11] io_uring/rsrc: rename rsrc_list Pavel Begunkov
2023-03-30 14:53 ` [PATCH 08/11] io_uring/rsrc: optimise io_rsrc_put allocation Pavel Begunkov
2023-03-30 14:53 ` [PATCH 09/11] io_uring/rsrc: don't offload node free Pavel Begunkov
2023-03-30 14:53 ` [PATCH 10/11] io_uring/rsrc: cache struct io_rsrc_node Pavel Begunkov
2023-03-31 14:09 ` Gabriel Krisman Bertazi
2023-03-31 16:27 ` Pavel Begunkov
2023-04-01 0:04 ` Gabriel Krisman Bertazi
2023-04-04 13:21 ` Pavel Begunkov
2023-04-04 15:48 ` Gabriel Krisman Bertazi
2023-04-04 15:52 ` Jens Axboe
2023-04-04 16:53 ` Gabriel Krisman Bertazi
2023-04-04 18:26 ` Pavel Begunkov
2023-03-30 14:53 ` [PATCH 11/11] io_uring/rsrc: add lockdep sanity checks Pavel Begunkov
2023-03-31 13:35 ` Gabriel Krisman Bertazi [this message]
2023-03-31 16:21 ` [RFC 00/11] optimise registered buffer/file updates Pavel Begunkov
2023-03-31 15:18 ` Jens Axboe
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