A year ago, we reported on the performance improvements brought by Collabora’s developers to emulated NVMe devices, which were contributed as patches upstream in the Linux 4.8 kernel.
The patches added huge performance improvements to emulated NVMe devices, but work didn’t stop there, and Collabora’s Helen Koike is now reporting on the official release in the NVMe Specification Revision 1.3 under the name “Doorbell Buffer Config command.”
“You can already feel the difference in performance if you compile [Linux] kernel 4.12-rc1 (or later) and run it on a virtual machine hosted on Google Compute Engine,” says Helen Koike. “Google actually updated their hypervisor as soon as the feature was ratified by the NVMe working… (read more)
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