--- title: Advanced TPU optimization with XProf: Continuous... description: Google's XProf profiler introduces three advanced TPU optimization capabilities: Continuous Profiling Snapshots (an always-on flight recorder using a ~2GB... canonical: https://daily.dev/posts/advanced-tpu-optimization-with-xprof-continuous-profiling-utilization-insights-and-llo-bundles-3jzmctepx twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Advanced TPU optimization with XProf: Continuous profiling, utilization insights, and LLO bundles | daily.dev og:description: Google's XProf profiler introduces three advanced TPU optimization capabilities: Continuous Profiling Snapshots (an always-on flight recorder using a ~2GB... og:url: https://daily.dev/posts/advanced-tpu-optimization-with-xprof-continuous-profiling-utilization-insights-and-llo-bundles-3jzmctepx og:image: https://api.daily.dev/og/posts/3jzMcTEPX.png og:image:alt: Advanced TPU optimization with XProf: Continuous profiling, utilization insights, and LLO bundles 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. # Advanced TPU optimization with XProf: Continuous profiling, utilization insights, and LLO bundles **[Google Open Source Blog](https://daily.dev/sources/googleoss)** · 4 min read · 0 upvotes · 0 comments ## Summary Google's XProf profiler introduces three advanced TPU optimization capabilities: Continuous Profiling Snapshots (an always-on flight recorder using a ~2GB circular buffer to capture the last ~90 seconds of performance data with ~7µs overhead), the Utilization Viewer (translates raw hardware counters into readable utilization percentages for TensorCore, SparseCore, and HBM), and LLO Bundle Visualization (exposes machine-level instruction scheduling data for kernel developers using Pallas, enabling cycle-level bottleneck analysis in the MXU pipeline). These tools are now available in the open-source XProf repository under OpenXLA. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Unlocking TPU performance: Deep kernel profiling with XProf](https://daily.dev/posts/unlocking-tpu-performance-deep-kernel-profiling-with-xprof-lghkq2da7) · Google Open Source Blog · 0 upvotes · 0 comments - [How to use Google microbenchmarks for evaluating TPU performance](https://daily.dev/posts/how-to-use-google-microbenchmarks-for-evaluating-tpu-performance-4yshfjmo7) · Google Developers · 0 upvotes · 0 comments --- Tags: [#machine-learning](https://daily.dev/tags/machine-learning) [View this post on daily.dev](https://daily.dev/posts/advanced-tpu-optimization-with-xprof-continuous-profiling-utilization-insights-and-llo-bundles-3jzmctepx) ```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":"Advanced TPU optimization with XProf: Continuous profiling, utilization insights, and LLO bundles","url":"https://daily.dev/posts/advanced-tpu-optimization-with-xprof-continuous-profiling-utilization-insights-and-llo-bundles-3jzmctepx","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/advanced-tpu-optimization-with-xprof-continuous-profiling-utilization-insights-and-llo-bundles-3jzmctepx"},"datePublished":"2026-03-23T19:32:17.649Z","dateModified":"2026-08-24T06:54:34.038Z","description":"Google's XProf profiler introduces three advanced TPU optimization capabilities: Continuous Profiling Snapshots (an always-on flight recorder using a ~2GB...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/83e9dd9a56f2d70fe88a917ca5be665a?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/83e9dd9a56f2d70fe88a917ca5be665a?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Google Open Source Blog","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":"Google Open Source Blog","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/8a87f457bf1a481b80c313f66a71200b","url":"https://daily.dev/sources/googleoss"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/advanced-tpu-optimization-with-xprof-continuous-profiling-utilization-insights-and-llo-bundles-3jzmctepx","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"machine-learning","timeRequired":"PT4M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Google Open Source Blog","item":"https://daily.dev/sources/googleoss"},{"@type":"ListItem","position":3,"name":"Advanced TPU optimization with XProf: Continuous profiling, utilization insights, and LLO bundles"}]} ```