From: Jens Axboe <axboe@kernel.dk>
To: linux-block@vger.kernel.org
Cc: bvanassche@acm.org
Subject: Re: [PATCHSET RFC 0/2] mq-deadline scalability improvements
Date: Thu, 18 Jan 2024 12:29:38 -0700 [thread overview]
Message-ID: <ede4179c-8fa5-4496-ac21-4e3fda41df81@kernel.dk> (raw)
In-Reply-To: <20240118180541.930783-1-axboe@kernel.dk>
On 1/18/24 11:04 AM, Jens Axboe wrote:
> With that in place, the same test case now does:
>
> Device QD Jobs IOPS Contention Diff
> =============================================================
> null_blk 4 32 2250K 28% +106%
> nvme0n1 4 32 2560K 23% +112%
nvme0n1 4 32 2560K 23% +139%
Apparently I can't math, this is a +139% improvement for the nvme
case... Just wanted to make it clear that the IOPS number was correct,
it's just the diff math that was wrong.
--
Jens Axboe
next prev parent reply other threads:[~2024-01-18 19:29 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-18 18:04 [PATCHSET RFC 0/2] mq-deadline scalability improvements Jens Axboe
2024-01-18 18:04 ` [PATCH 1/2] block/mq-deadline: serialize request dispatching Jens Axboe
2024-01-18 18:24 ` Bart Van Assche
2024-01-18 18:45 ` Jens Axboe
2024-01-18 18:51 ` Bart Van Assche
2024-01-18 18:55 ` Jens Axboe
2024-01-19 2:40 ` Ming Lei
2024-01-19 15:49 ` Jens Axboe
2024-01-18 18:04 ` [PATCH 2/2] block/mq-deadline: fallback to per-cpu insertion buckets under contention Jens Axboe
2024-01-18 18:25 ` Keith Busch
2024-01-18 18:28 ` Jens Axboe
2024-01-18 18:31 ` Bart Van Assche
2024-01-18 18:33 ` Jens Axboe
2024-01-18 18:53 ` Bart Van Assche
2024-01-18 18:56 ` Jens Axboe
2024-01-18 20:46 ` Bart Van Assche
2024-01-18 20:52 ` Jens Axboe
2024-01-19 23:11 ` Bart Van Assche
2024-01-18 19:29 ` Jens Axboe [this message]
2024-01-18 20:22 ` [PATCHSET RFC 0/2] mq-deadline scalability improvements Jens Axboe
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