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From: Erwan Velu <e.velu@criteo.com>
To: Jens Axboe <axboe@kernel.dk>,
	Hans-Peter Lehmann <hans-peter.lehmann@kit.edu>,
	"fio@vger.kernel.org" <fio@vger.kernel.org>
Subject: Re: Question: t/io_uring performance
Date: Thu, 16 Sep 2021 23:18:19 +0200	[thread overview]
Message-ID: <796c8f29-323a-6fbc-09fc-5c739c81a221@criteo.com> (raw)
In-Reply-To: <8e3e78f6-947f-1566-b666-736c9fb9e353@criteo.com>


On 09/09/2021 00:37, Erwan Velu wrote:
> [...]
> So I made a try !
>
>
> 2 devices on a single physical core brings me up to 1.23M (that's 67% 
> of the previous result on two physical cores)
>
> 3 devices on a two physical cores bring me up to 1.85M
>
> 4 devices on a two physical cores bring me up to 2.48M
>
> 4 devices on a three physical cores bring me up to 3.77M
>
To ease the reproducer, I created a script 
https://github.com/axboe/fio/pull/1272 that automate all this and fixes 
the usual config mistakes.

Feel free to test it !



  reply	other threads:[~2021-09-16 21:18 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-25 15:57 Question: t/io_uring performance Hans-Peter Lehmann
2021-08-26  7:27 ` Erwan Velu
2021-08-26 15:57   ` Hans-Peter Lehmann
2021-08-27  7:20     ` Erwan Velu
2021-09-01 10:36       ` Hans-Peter Lehmann
2021-09-01 13:17         ` Erwan Velu
2021-09-01 14:02           ` Hans-Peter Lehmann
2021-09-01 14:05             ` Erwan Velu
2021-09-01 14:17               ` Erwan Velu
2021-09-06 14:26                 ` Hans-Peter Lehmann
2021-09-06 14:41                   ` Erwan Velu
2021-09-08 11:53                   ` Sitsofe Wheeler
2021-09-08 12:22                     ` Jens Axboe
2021-09-08 12:41                       ` Jens Axboe
2021-09-08 16:12                         ` Hans-Peter Lehmann
2021-09-08 16:20                           ` Jens Axboe
2021-09-08 21:24                             ` Hans-Peter Lehmann
2021-09-08 21:34                               ` Jens Axboe
2021-09-10 11:25                                 ` Hans-Peter Lehmann
2021-09-10 11:45                                   ` Erwan Velu
2021-09-08 12:33                 ` Jens Axboe
2021-09-08 17:11                   ` Erwan Velu
2021-09-08 22:37                     ` Erwan Velu
2021-09-16 21:18                       ` Erwan Velu [this message]
2021-09-21  7:05                         ` Erwan Velu
2021-09-22 14:45                           ` Hans-Peter Lehmann

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