Re: [Qemu-devel] Re: [PATCH] virtio-blk: add SGI_IO passthru support

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On Wed, Apr 29, 2009 at 12:11:19PM +0100, Paul Brook wrote:
> Is this actually measurably faster, or just infinitesimally faster in theory?

On normal disks it's rather theoretical.  On high-end SSDs and arrays the
impact is noticeable, mostly due to the additional latency.

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