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Thursday, October 29 • 07:30 - 08:00
Speed Up Creation of a VM With Pass Through GPU - Liang Li, DIDI Chuxing

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Creating a virtual machine (VM) instance with GPU will take more time than creating a VM without GPU, the gap depends on many factors, eg. System configuration, RAM size of VM, type of GPU and the count of GPU cards, from several seconds to serval minutes. It impacts user experience, and in some situation it becomes unacceptable. In this session, Liang will first introduce the factors affect the creation time of a VM with GPU, and then elaborate some issues in QEMU and linux kernel. In the end, Liang will show the solutions for these issues in detail and their achievement for the optimization.

Speakers
avatar for Liang Li

Liang Li

Senior Expert, Alibaba
Liang has worked in the area of system virtualization for many years. He had ever gave two talks about live migration on KVM forum in 2015 and in 2016. In KVM forum 2020, he gave a talk about GPU VM creation time optimization



Thursday October 29, 2020 07:30 - 08:00 GMT
KVM Theater
  KVM Track 2