--- title: Reclaiming CPU for free with Go's Profile Guided... description: Learn how Profile Guided Optimization (PGO) in Golang can help reduce CPU usage and improve performance, using a practical example from Cloudflare's... canonical: https://daily.dev/posts/reclaiming-cpu-for-free-with-go-s-profile-guided-optimization-itza0gbct twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Reclaiming CPU for free with Go's Profile Guided Optimization | daily.dev og:description: Learn how Profile Guided Optimization (PGO) in Golang can help reduce CPU usage and improve performance, using a practical example from Cloudflare's... og:url: https://daily.dev/posts/reclaiming-cpu-for-free-with-go-s-profile-guided-optimization-itza0gbct og:image: https://api.daily.dev/og/posts/itza0GBcT.png og:image:alt: Reclaiming CPU for free with Go's Profile Guided Optimization og:image:width: 1200 og:image:height: 630 og:locale: en --- [Cloudflare](https://daily.dev/sources/cloudflare) [Read post](https://api.daily.dev/r/itza0GBcT) # [Reclaiming CPU for free with Go's Profile Guided Optimization](https://api.daily.dev/r/itza0GBcT "Go to post") Learn how Profile Guided Optimization (PGO) in Golang can help reduce CPU usage and improve performance, using a practical example from Cloudflare's Observability Team. [#golang](/tags/golang "Check all #golang posts")[#observability](/tags/observability "Check all #observability posts")[#cloudflare](/tags/cloudflare "Check all #cloudflare posts") May 14, 2024•5m read time•From [blog.cloudflare.com](https://api.daily.dev/r/itza0GBcT "blog.cloudflare.com") [](https://api.daily.dev/r/itza0GBcT "Go to post") Table of contents [How does PGO work?](https://api.daily.dev/r/itza0GBcT?a=how-does-pgo-work "How does PGO work?")[A practical example](https://api.daily.dev/r/itza0GBcT?a=a-practical-example "A practical example")[Results](https://api.daily.dev/r/itza0GBcT?a=results "Results")[Future work](https://api.daily.dev/r/itza0GBcT?a=future-work "Future work") 110 Impressions4 Upvotes Comment Bookmark Copy Share your thoughtsPost [](https://daily.dev/sources/cloudflare) [Cloudflare](https://daily.dev/sources/cloudflare "https://daily.dev/sources/cloudflare") Cloudflare's platform is a leading provider of internet security and performance solutions, offering... 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