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Wednesday, June 3 • 17:20 - 18:10
Power Efficient Idle Injection - Jacob Pan, Intel

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While optimizing for performance are common, many use cases demand just the the opposite: injection of idle cycles. The motivations for doing so range from power capping, thermal management, pay-per-use, and real-time throttling. Idle injection mechanisms are also diversified and provide uneven results in terms power efficiency, performance and user experience impact.

This talk focuses on the power awareness aspect of idle injection, helping audience to connect the kernel mechanism with the underlining hardware. Bridge the understanding of idle cycles vs idle states, scheduling workload vs. hardware coordination, and power saving vs. CPU topology.

avatar for Jacob Pan

Jacob Pan

Linux Kernel Developer, Intel Corporation
Jacob is a veteran Linux kernel developer at Intel. His most recent interest and work are on Shared Virtual Address/Memory as well as the IOMMU subsystem in general.Prior to that, Jacob contributed to power management, device drivers, interrupt, timers, and X86 core.

Wednesday June 3, 2015 17:20 - 18:10 JST

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