From: hexue <[email protected]>
To: [email protected]
Cc: [email protected], [email protected],
[email protected]
Subject: Re: Re: [PATCH v9 1/1] io_uring: releasing CPU resources when polling
Date: Mon, 4 Nov 2024 15:29:07 +0800 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 11/1/2024 08:06, Jens Axboe wrote:
>On 11/1/24 3:19 AM, hexue wrote:
>> A new hybrid poll is implemented on the io_uring layer. Once IO issued,
>> it will not polling immediately, but block first and re-run before IO
>> complete, then poll to reap IO. This poll function could be a suboptimal
>> solution when running on a single thread, it offers the performance lower
>> than regular polling but higher than IRQ, and CPU utilization is also lower
>> than polling.
>
>This looks much better now.
>
>Do you have a patch for liburing to enable testing of hybrid polling
>as well? Don't care about perf numbers for that, but it should get
>exercised.
Sure, I'll add some liburing test cases and submit patch soon.
Thank you.
--
Xue
next prev parent reply other threads:[~2024-11-04 9:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20241101092007epcas5p29e0c6a6c7a732642cba600bb1c1faff0@epcas5p2.samsung.com>
2024-11-01 9:19 ` [PATCH v9 0/1] io_uring: releasing CPU resources when polling hexue
[not found] ` <CGME20241101092009epcas5p117843070fa5edd377469f13af388fc06@epcas5p1.samsung.com>
2024-11-01 9:19 ` [PATCH v9 1/1] " hexue
2024-11-01 14:06 ` Jens Axboe
[not found] ` <CGME20241104072914epcas5p2d44c91a277995d5c69bacd4e4308933d@epcas5p2.samsung.com>
2024-11-04 7:29 ` hexue [this message]
2024-11-04 16:21 ` Jens Axboe
2024-11-01 14:21 ` [PATCH v9 0/1] " Jens Axboe
2024-11-01 15:18 ` Jens Axboe
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