Re: RFC: Micro-optimize direct IO submission path

From: Andi Kleen
Date: Wed Jul 27 2011 - 17:35:55 EST


On Wed, Jul 27, 2011 at 05:06:06PM -0400, Christoph Hellwig wrote:
> Any chance you could resend these against current mainline? It would
> be sad to miss these easy optimizations.

I was waiting for the benchmarkers to rerun them.

I had done an additional prefetch optimization that seemed to give
1% more on a big benchmark for one result, but there was another
suspicious one.

Hopefully soon.

-Andi
--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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