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Re: [Qemu-devel] Re: high CPU load / async IO?

From: Jens Axboe
Subject: Re: [Qemu-devel] Re: high CPU load / async IO?
Date: Tue, 25 Jul 2006 21:43:16 +0200

On Tue, Jul 25 2006, Sven Köhler wrote:
> >>> So the current thread-based async dma patch is really just the wrong long
> >>> term solution.  A more long term solution is likely in the works.  It
> >>> requires quite a bit of code modification though.
> >>
> >> I see. So in other words:
> >>
> >> don't ask for simple async I/O now. The more complex and flexible
> >> sollution will follow soon.
> > 
> > Yes, hopefully really soon.
> So i will wait patiently :-)

Is anyone actively working on this, or is it just speculation? I'd
greatly prefer (and might do, if no one is working on it and Fabrice
would take it) do a libaio version, since that'll for sure perform the
best on Linux. But a posixaio version might be saner, as that should
work on other operating systems as well.

Fabrice, can you let people know what you would prefer?

Jens Axboe

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