From: Pavel Begunkov <asml.silence@gmail.com>
To: Sidong Yang <sidong.yang@furiosa.ai>,
Josef Bacik <josef@toxicpanda.com>,
David Sterba <dsterba@suse.com>, Jens Axboe <axboe@kernel.dk>,
Mark Harmstone <maharmstone@fb.com>
Cc: linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org,
io-uring@vger.kernel.org
Subject: Re: [RFC PATCH v3 0/3] introduce io_uring_cmd_import_fixed_vec
Date: Sun, 16 Mar 2025 07:22:08 +0000 [thread overview]
Message-ID: <3c8fbd0d-b361-4da5-86e5-9ee3b909382b@gmail.com> (raw)
In-Reply-To: <20250315172319.16770-1-sidong.yang@furiosa.ai>
On 3/15/25 17:23, Sidong Yang wrote:
> This patche series introduce io_uring_cmd_import_vec. With this function,
> Multiple fixed buffer could be used in uring cmd. It's vectored version
> for io_uring_cmd_import_fixed(). Also this patch series includes a usage
> for new api for encoded read/write in btrfs by using uring cmd.
>
> There was approximately 10 percent of performance improvements through benchmark.
> The benchmark code is in
> https://github.com/SidongYang/btrfs-encoded-io-test/blob/main/main.c
>
> ./main -l
> Elapsed time: 0.598997 seconds
> ./main -l -f
> Elapsed time: 0.540332 seconds
It's probably precise, but it's usually hard to judge about
performance from such short runs. Mark, do we have some benchmark
for the io_uring cmd?
--
Pavel Begunkov
next prev parent reply other threads:[~2025-03-16 7:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-15 17:23 [RFC PATCH v3 0/3] introduce io_uring_cmd_import_fixed_vec Sidong Yang
2025-03-15 17:23 ` [RFC PATCH v3 1/3] io-uring/cmd: add iou_vec field for io_uring_cmd Sidong Yang
2025-03-16 7:24 ` Pavel Begunkov
2025-03-16 8:02 ` Sidong Yang
2025-03-16 8:49 ` Sidong Yang
2025-03-15 17:23 ` [RFC PATCH v3 2/3] io-uring/cmd: introduce io_uring_cmd_import_fixed_vec Sidong Yang
2025-03-15 17:23 ` [RFC PATCH v3 3/3] btrfs: ioctl: introduce btrfs_uring_import_iovec() Sidong Yang
2025-03-16 7:22 ` Pavel Begunkov [this message]
2025-03-17 10:32 ` [RFC PATCH v3 0/3] introduce io_uring_cmd_import_fixed_vec Mark Harmstone
2025-03-17 13:56 ` Sidong Yang
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