Cloud-Hypervisor 23.0 Released With Support For Intel AMX
Written by Michael Larabel in Virtualization on 14 April 2022 at 05:26 AM EDT. Add A Comment
VIRTUALIZATION --
Cloud-Hypervisor is the Rust-written, KVM-leveraging VMM started by Intel that is now developed under the Linux Foundation umbrella with Arm, Microsoft, and others also contributing to this project focused on cloud virtualization needs. Cloud-Hypervisor 23.0 is out today with the latest features for this increasingly capable open-source virtual machine monitor.

Cloud-Hypervisor 23.0 introduces support for vDPA devices, officially adds support for Ubuntu 22.04 LTS, improved memory map handling on AArch64, and adds Intel AMX support. The Cloud-Hypervisor now supports exposing Intel's Advanced Matrix Extensions (AMX) for guests when the "amx" option is enabled at build-time and also enabling the AMX instructions to be exposed to guests using the "--cpu features=amx" flag at run-time. Intel engineers have been busy plumbing AMX support ahead of Intel Xeon Scalable "Sapphire Rapids" processors shipping in mass later this year.

Cloud-Hypervisor 23.0 is rounded out by having a number of bug fixes and other improvements with the many contributions from Intel, Arm, Kubesphere, Microsoft, and ZTE making up this particular release.

Downloads and more details on Cloud-Hypervisor 23.0 via GitHub.
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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 20,000 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, LinkedIn, or contacted via MichaelLarabel.com.

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