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Date: Tue, 4 Oct 2005 15:20:23 +0200
From: Christian MICHON <christian.michon@gmail.com>
Subject: Re: [Qemu-devel] [patch] non-blocking disk IO
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To: qemu-devel@nongnu.org

Then all is good and I should not use (2) as a benchmark.
Thanks for clarifying :)

On 10/4/05, John Coiner <jcoiner@stanfordalumni.org> 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