VIRTIO 1.1 Standard Moving Closer To Release With GPU Device, Better Performance
Written by Michael Larabel in Virtualization on 26 January 2019 at 03:23 AM EST. 8 Comments
VIRTUALIZATION --
The Virtual I/O Device standard, VIRTIO, is moving closer to seeing its big 1.1 release. The VIRTIO standard as a reminder devices/drivers around networking, storage, and other areas akin to Xen paravirtualized drivers and VMware Guest Tools but designed with cross-hypervisor and cross-OS support in mind.

The VIRTIO 1.1 specification has been under a public review period since the end of December. Linux virtualization developer Stefan Hajnoczi has pointed out that this public review is happening until 21 February.

Exciting us about VIRTIO 1.1 is that it brings VirtIO-GPU into the fold with its 3D mode via Virgl. But besides adding the GPU device type, there is also other networking and input work. Additionally, it presents a new vring layout for better performance and other overhead reduction work.


This PDF slide deck covers some of the other work in VIRTIO 1.1. Separately there is also the presentation embedded above from last year's FOSDEM conference about VIRTIO 1.1 (plus those PDF slides) including about the performance gains over VIRTIO 1.0.

The tentative VIRTIO 1.1 specification for public review can be viewed here.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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