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Re: [Qemu-devel] [patch] non-blocking disk IO
From: |
Christian MICHON |
Subject: |
Re: [Qemu-devel] [patch] non-blocking disk IO |
Date: |
Tue, 4 Oct 2005 15:20:23 +0200 |
Then all is good and I should not use (2) as a benchmark.
Thanks for clarifying :)
On 10/4/05, John Coiner <address@hidden> wrote:
> (1) is a parallel task -- 'tar' and 'bunzip2' run concurrently. You see
> a benefit here when one process can use the CPU while the other is
> blocked waiting for IO.
>
> (2) is a serial task. It can't benefit from non-blocking IO. 'make -j 2'
> should benefit, in cases where the host file cache is cold.
--
Christian
- Re: [Qemu-devel] [patch] non-blocking disk IO, (continued)
- Re: [Qemu-devel] [patch] non-blocking disk IO, Magnus Damm, 2005/10/03
- Re: [Qemu-devel] [patch] non-blocking disk IO, Elefterios Stamatogiannakis, 2005/10/03
- Re: [Qemu-devel] [patch] non-blocking disk IO, Christian MICHON, 2005/10/03
- Re: [Qemu-devel] [patch] non-blocking disk IO, John Coiner, 2005/10/04
- Re: [Qemu-devel] [patch] non-blocking disk IO, Christian MICHON, 2005/10/04
- Re: [Qemu-devel] [patch] non-blocking disk IO, Elefterios Stamatogiannakis, 2005/10/04
- Re: [Qemu-devel] [patch] non-blocking disk IO, Christian MICHON, 2005/10/04
- Re: [Qemu-devel] [patch] non-blocking disk IO, Christian MICHON, 2005/10/04
- Re: [Qemu-devel] [patch] non-blocking disk IO, Jens Axboe, 2005/10/04
- Re: [Qemu-devel] [patch] non-blocking disk IO, John Coiner, 2005/10/04
- Re: [Qemu-devel] [patch] non-blocking disk IO,
Christian MICHON <=
Re: [Qemu-devel] [patch] non-blocking disk IO, Jens Axboe, 2005/10/03
Re: [Qemu-devel] [patch] non-blocking disk IO, John Coiner, 2005/10/03
Re: [Qemu-devel] [patch] non-blocking disk IO, Fabrice Bellard, 2005/10/03
Re: [Qemu-devel] [patch] non-blocking disk IO, Brad Campbell, 2005/10/04