vTurbo: Accelerating Virtual Machine I/O Processing Using Designated Turbo-Sliced Core

Provided by: Purdue Federal Credit Union
Topic: Cloud
Format: PDF
In a Virtual Machine (VM) consolidation environment, it has been observed that CPU sharing among multiple VMs will lead to I/O processing latency because of the CPU access latency experienced by each VM. In this paper, the authors present vTurbo, a system that accelerates I/O processing for VMs by offloading I/O processing to a designated core. More specifically, the designated core - called turbo core - runs with a much smaller time slice (e.g., 0.1ms) than the cores shared by production VMs.

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