[$] AutoFDO and Propeller

Date:
Mon, 28 Oct 2024 15:15:19 +0000

Description:
Rong Xu and
Han Shen described the kernel-optimization techniques that Google uses in the toolchains
track at the 2024 Linux
Plumbers Conference .
They talked about automatic
feedback-directed optimization (AutoFDO), which can be used with the
Propeller optimizer to produce kernels with better performance using profile information gathered from real workloads. There is a fair amount of
overlap between these tools and the BOLT post-link optimizer, which was the subject of a talk that directly preceded this session.

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Link to news story:
https://lwn.net/Articles/995397/


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