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Re: [Qemu-devel] [PATCH 0/3] Refactor AIO to allow multiple AIO implemen
Re: [Qemu-devel] [PATCH 0/3] Refactor AIO to allow multiple AIO implementations
Tue, 23 Sep 2008 11:27:36 +0100
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?
[Qemu-devel] [PATCH 2/3] Move aio implementation out of raw block driver, Ryan Harper, 2008/09/22
[Qemu-devel] Re: [PATCH 0/3] Refactor AIO to allow multiple AIO implementations, Anthony Liguori, 2008/09/22
Re: [Qemu-devel] [PATCH 0/3] Refactor AIO to allow multiple AIO implementations,
Jamie Lokier <=