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Tuesday, August 18 • 10:30am - 11:00am
Shared Virtual Memory (SVM) Support in Xen - Feng Wu, Intel

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For devices supporting appropriate PCI-Express capabilities, OS may use the DMA remapping Hardware capabilities to share virtual address space of application processes with I/O devices. Shared Virtual Memory (SVM) along with support for I/O page-faults enables application programs to freely pass arbitrary data-structures to devices such as graphics processors or accelerators, without the overheads of pinning and marshalling of data.

For a guest with an Intel GPU assigned, we need to advertise the SVM capability so that it can use the feature and gain performance improvement by sharing the GPU and CPU page tables.

In this presentation, Feng will talk about the mechanism of SVM support in Intel VT-d hardware and its advantages, as well as high-level design options for SVM in Xen.

Speakers
FW

Feng Wu

Intel
I am an employee of Intel. Intel Corporation is an American multinational semiconductor chip maker corporation headquartered in Santa Clara, California. Intel is one of the world's largest and highest valued semiconductor chip makers, based on revenue. It is the inventor of the x86 series of microprocessors, the processors found in most personal computers. | | I am currently working on enabling virtualization features in Intel CPUs/Chipsets... Read More →


Tuesday August 18, 2015 10:30am - 11:00am
Ravenna AB Sheraton Seattle, 1400 6th Ave., Seattle, WA 98101

Attendees (1)