[dpdk-dev] virtio ring layout changes for optimal single-stream performance

2016-01-21 Thread Michael S. Tsirkin
On Thu, Jan 21, 2016 at 04:38:36PM +0100, Cornelia Huck wrote: > On Thu, 21 Jan 2016 15:39:26 +0200 > "Michael S. Tsirkin" wrote: > > > Hi all! > > I have been experimenting with alternative virtio ring layouts, > > in order to speed up single stream performance. > > > > I have just posted a

[dpdk-dev] virtio ring layout changes for optimal single-stream performance

2016-01-21 Thread Cornelia Huck
On Thu, 21 Jan 2016 15:39:26 +0200 "Michael S. Tsirkin" wrote: > Hi all! > I have been experimenting with alternative virtio ring layouts, > in order to speed up single stream performance. > > I have just posted a benchmark I wrote for the purpose, and a (partial) > alternative layout

[dpdk-dev] virtio ring layout changes for optimal single-stream performance

2016-01-21 Thread Michael S. Tsirkin
Hi all! I have been experimenting with alternative virtio ring layouts, in order to speed up single stream performance. I have just posted a benchmark I wrote for the purpose, and a (partial) alternative layout implementation. This achieves 20-40% reduction in virtio overhead in the (default)