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Re: [Qemu-devel] [PATCH 22/27] block/parallels: improve image reading pe


From: Roman Kagan
Subject: Re: [Qemu-devel] [PATCH 22/27] block/parallels: improve image reading performance
Date: Tue, 10 Mar 2015 17:50:58 +0300
User-agent: Mutt/1.5.23 (2014-03-12)

On Tue, Mar 10, 2015 at 11:51:16AM +0300, Denis V. Lunev wrote:
> Try to perform IO for the biggest continuous block possible.
> The performance for sequential read is increased from 220 Gb/sec to
> 360 Gb/sec for continous image on my SSD HDD.
> 
> Signed-off-by: Denis V. Lunev <address@hidden>
> CC: Roman Kagan <address@hidden>
> CC: Kevin Wolf <address@hidden>
> CC: Stefan Hajnoczi <address@hidden>
> ---
>  block/parallels.c | 37 ++++++++++++++++++++++++++++++++-----
>  1 file changed, 32 insertions(+), 5 deletions(-)


Reviewed-by: Roman Kagan <address@hidden>

Roman.



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