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From: Jens Axboe <[email protected]>
To: [email protected]
Cc: [email protected]
Subject: [PATCHSET for-next] Add alloc cache for sendmsg/recvmsg
Date: Thu,  7 Jul 2022 17:23:42 -0600	[thread overview]
Message-ID: <[email protected]> (raw)

Hi,

This abstracts out the alloc cache we have for apoll entries, and extends
it to be usable for recv/sendmsg as well. During that abstraction, impose
an upper limit for cached entries as well.

This yields a 4-5% performance increase running netbench using
sendmsg/recvmsg rather than plan send and recv.

Post 5.20, I suspect we can get rid of using io_async_msghdr for single
vector sendmsg/recvmsg, which will make this less relevant. But as this
work isn't done yet, and the support for eg ITER_UBUF isn't upstream yet
either, this can help fill the gap.

-- 
Jens Axboe




             reply	other threads:[~2022-07-07 23:24 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-07 23:23 Jens Axboe [this message]
2022-07-07 23:23 ` [PATCH 1/4] io_uring: move apoll cache to poll.c Jens Axboe
2022-07-07 23:23 ` [PATCH 2/4] io_uring: add abstraction around apoll cache Jens Axboe
2022-07-07 23:23 ` [PATCH 3/4] io_uring: impose max limit on " Jens Axboe
2022-07-07 23:23 ` [PATCH 4/4] io_uring: add netmsg cache Jens Axboe

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