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Tips and tricks for Profile-Guided Optimization (PGO) in practice

Alexander Zaitsev

Profile-Guided Optimization (PGO) is a well-known compiler technique for tuning Ahead-of-Time (AOT) compiled applications according to specific workloads.

This optimization is so powerful, that sometimes can easily bring more than 20% CPU performance just by enabling it. Unfortunately, the "just" part hides a lot of traps and nuances, that can complicate PGO integration into your Rust application.

Alexander Zaitsev






Alexander Zaitsev is the PGO guy

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