--- 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 --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Reclaiming CPU for free with Go's Profile Guided Optimization **[Cloudflare](https://daily.dev/sources/cloudflare)** · 5 min read · 4 upvotes · 0 comments ## Summary 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. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#golang](https://daily.dev/tags/golang), [#observability](https://daily.dev/tags/observability), [#cloudflare](https://daily.dev/tags/cloudflare) [View this post on daily.dev](https://daily.dev/posts/reclaiming-cpu-for-free-with-go-s-profile-guided-optimization-itza0gbct) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Reclaiming CPU for free with Go's Profile Guided Optimization","url":"https://daily.dev/posts/reclaiming-cpu-for-free-with-go-s-profile-guided-optimization-itza0gbct","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/reclaiming-cpu-for-free-with-go-s-profile-guided-optimization-itza0gbct"},"datePublished":"2024-05-14T14:54:35.044Z","dateModified":"2024-05-14T14:54:33.993Z","description":"Learn how Profile Guided Optimization (PGO) in Golang can help reduce CPU usage and improve performance, using a practical example from Cloudflare's...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/f2b8ee0643ae9fa6e0ce5147aad4b134?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/f2b8ee0643ae9fa6e0ce5147aad4b134?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Cloudflare","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Cloudflare","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/38522e1d11354cd6b7af66f9d4316735","url":"https://daily.dev/sources/cloudflare"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/reclaiming-cpu-for-free-with-go-s-profile-guided-optimization-itza0gbct","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":4},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"golang,observability,cloudflare","timeRequired":"PT5M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Cloudflare","item":"https://daily.dev/sources/cloudflare"},{"@type":"ListItem","position":3,"name":"Reclaiming CPU for free with Go's Profile Guided Optimization"}]} ```