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Thursday, October 26 • 2:00pm - 2:30pm
Zero-Copy Receive for vhost - Mike Rapoport, IBM

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In para-virtual networking with virtio-net/vhost, the copying of packet between the hypervisor and the guest is one of the major sources of the overhead, especially for the large packets. And, although, zero-copy transmit was merged into the Linux kernel a few years ago, the "receive side zero copy" item is still in the KVM NetworkingTodo.

This talk presents an approach to implementation of zero-copy receive for virtio-net and vhost that leverages receive-side steering abilities of the modern high speed network cards.

Speakers

Thursday October 26, 2017 2:00pm - 2:30pm
Palmovka
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Attendees (19)