From: Christoph Hellwig <hch@infradead.org>
To: Jens Axboe <axboe@kernel.dk>
Cc: io-uring@vger.kernel.org, linux-block@vger.kernel.org, hch@infradead.org
Subject: Re: [PATCH 5/6] io_uring: enable use of bio alloc cache
Date: Thu, 12 Aug 2021 17:39:08 +0100 [thread overview]
Message-ID: <YRVOrHvfBSKBiBEr@infradead.org> (raw)
In-Reply-To: <20210812154149.1061502-6-axboe@kernel.dk>
On Thu, Aug 12, 2021 at 09:41:48AM -0600, Jens Axboe wrote:
> Mark polled IO as being safe for dipping into the bio allocation
> cache, in case the targeted bio_set has it enabled.
>
> This brings an IOPOLL gen2 Optane QD=128 workload from ~3.0M IOPS to
> ~3.3M IOPS.
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
Didn't the cover letter say 3.5M+ IOPS, though?
next prev parent reply other threads:[~2021-08-12 16:40 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-12 15:41 [PATCHSET v5 0/6] Enable bio recycling for polled IO Jens Axboe
2021-08-12 15:41 ` [PATCH 1/6] bio: optimize initialization of a bio Jens Axboe
2021-08-12 16:16 ` Christoph Hellwig
2021-08-12 15:41 ` [PATCH 2/6] fs: add kiocb alloc cache flag Jens Axboe
2021-08-12 16:20 ` Christoph Hellwig
2021-08-12 15:41 ` [PATCH 3/6] bio: add allocation cache abstraction Jens Axboe
2021-08-12 16:32 ` Christoph Hellwig
2021-08-12 16:39 ` Jens Axboe
2021-08-12 15:41 ` [PATCH 4/6] block: clear BIO_PERCPU_CACHE flag if polling isn't supported Jens Axboe
2021-08-12 16:33 ` Christoph Hellwig
2021-08-12 17:31 ` Keith Busch
2021-08-12 17:41 ` Jens Axboe
2021-08-13 20:17 ` Keith Busch
2021-08-13 20:19 ` Jens Axboe
2021-08-13 20:31 ` Keith Busch
2021-08-13 20:33 ` Jens Axboe
2021-08-12 15:41 ` [PATCH 5/6] io_uring: enable use of bio alloc cache Jens Axboe
2021-08-12 16:39 ` Christoph Hellwig [this message]
2021-08-12 16:46 ` Jens Axboe
2021-08-12 15:41 ` [PATCH 6/6] block: use the percpu bio cache in __blkdev_direct_IO Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2021-08-11 19:35 [PATCHSET v4 0/6] Enable bio recycling for polled IO Jens Axboe
2021-08-11 19:35 ` [PATCH 5/6] io_uring: enable use of bio alloc cache Jens Axboe
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