From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jamie Lokier <jamie@shareable.org>
Subject: Re: [Qemu-devel] [PATCH 0/3] Refactor AIO to allow multiple AIO implementations
Date: Tue, 23 Sep 2008 11:27:36 +0100
Message-ID: <20080923102736.GA4619@shareable.org>
References: <1222125454-21744-1-git-send-email-ryanh@us.ibm.com>
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Ryan Harper wrote:
> Addtional work has been done on top of QEMU for KVM and virtio-blk
> devices.  While virtio-blk is not yet upstream in QEMU, the AIO
> changes here provide a tremendous performance improvement (from 7.6%
> of native, to 100% of randwrite, and 3.9% of native, to 101.4% of
> native for seq write) for virtio devices with cache=off.

Is the improvement due to using linux-aio instead of (Glibc's) posix-aio?

Thanks,
-- Jamie