From: Rusty Russell <rusty@rustcorp.com.au>
To: Asias He <asias@redhat.com>,
virtualization@lists.linux-foundation.org,
"Michael S. Tsirkin" <mst@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH] virtio_blk: Drop unused request tracking list
Date: Tue, 08 May 2012 13:38:54 +0930 [thread overview]
Message-ID: <87k40nco15.fsf@rustcorp.com.au> (raw)
In-Reply-To: <1333077850-21717-1-git-send-email-asias@redhat.com>
On Fri, 30 Mar 2012 11:24:10 +0800, Asias He <asias@redhat.com> wrote:
> Benchmark shows small performance improvement on fusion io device.
>
> Before:
> seq-read : io=1,024MB, bw=19,982KB/s, iops=39,964, runt= 52475msec
> seq-write: io=1,024MB, bw=20,321KB/s, iops=40,641, runt= 51601msec
> rnd-read : io=1,024MB, bw=15,404KB/s, iops=30,808, runt= 68070msec
> rnd-write: io=1,024MB, bw=14,776KB/s, iops=29,552, runt= 70963msec
>
> After:
> seq-read : io=1,024MB, bw=20,343KB/s, iops=40,685, runt= 51546msec
> seq-write: io=1,024MB, bw=20,803KB/s, iops=41,606, runt= 50404msec
> rnd-read : io=1,024MB, bw=16,221KB/s, iops=32,442, runt= 64642msec
> rnd-write: io=1,024MB, bw=15,199KB/s, iops=30,397, runt= 68991msec
>
> Signed-off-by: Asias He <asias@redhat.com>
Thanks. It didn't really need a benchmark to justify this cleanup, but
you certainly get points for thoroughness!
Applied,
Rusty.
prev parent reply other threads:[~2012-05-08 4:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-30 3:24 [PATCH] virtio_blk: Drop unused request tracking list Asias He
2012-03-30 10:14 ` Stefan Hajnoczi
2012-03-31 10:22 ` Asias He
2012-04-02 14:29 ` Stefan Hajnoczi
2012-04-01 10:07 ` Michael S. Tsirkin
2012-04-02 23:49 ` Asias He
2012-05-08 4:08 ` Rusty Russell [this message]
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