--- title: Worth Reading: 2 Mpps on a Pentium CPU « ipSpace.net blog description: A short commentary pointing to Robert Graham's blog post about achieving 2 million packets per second on a Pentium III CPU 20 years ago, contrasted with modern... canonical: https://daily.dev/posts/worth-reading-2-mpps-on-a-pentium-cpu-ipspace-net-blog-v2lezep0l twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Worth Reading: 2 Mpps on a Pentium CPU « ipSpace.net blog | daily.dev og:description: A short commentary pointing to Robert Graham's blog post about achieving 2 million packets per second on a Pentium III CPU 20 years ago, contrasted with modern... og:url: https://daily.dev/posts/worth-reading-2-mpps-on-a-pentium-cpu-ipspace-net-blog-v2lezep0l og:image: https://api.daily.dev/og/posts/V2leZEP0l.png og:image:alt: Worth Reading: 2 Mpps on a Pentium CPU « ipSpace.net blog 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. # Worth Reading: 2 Mpps on a Pentium CPU « ipSpace.net blog **[ipSpace.net Blog](https://daily.dev/sources/ipspace)** · 1 min read · 0 upvotes · 0 comments ## Summary A short commentary pointing to Robert Graham's blog post about achieving 2 million packets per second on a Pentium III CPU 20 years ago, contrasted with modern claims that driving a 100 Gbps network at 80% utilization requires 10–20 CPU cores just for the networking stack. The implicit argument is that inefficient software implementations, not hardware limitations, are responsible for excessive CPU consumption in modern networking stacks. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Case study: Measuring energy efficiency on the x64 platform](https://daily.dev/posts/case-study-measuring-energy-efficiency-on-the-x64-platform-9efnkr6ho) · Red Hat Developer · 7 upvotes · 0 comments - [Performance Has Layers](https://daily.dev/posts/performance-has-layers-ega2gcrnh) · Oxide · 97 upvotes · 2 comments --- Tags: [#networking](https://daily.dev/tags/networking) [View this post on daily.dev](https://daily.dev/posts/worth-reading-2-mpps-on-a-pentium-cpu-ipspace-net-blog-v2lezep0l) ```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":"Worth Reading: 2 Mpps on a Pentium CPU « ipSpace.net blog","url":"https://daily.dev/posts/worth-reading-2-mpps-on-a-pentium-cpu-ipspace-net-blog-v2lezep0l","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/worth-reading-2-mpps-on-a-pentium-cpu-ipspace-net-blog-v2lezep0l"},"datePublished":"2026-08-11T08:54:58.919Z","dateModified":"2026-08-11T09:18:58.327Z","description":"A short commentary pointing to Robert Graham's blog post about achieving 2 million packets per second on a Pentium III CPU 20 years ago, contrasted with modern...","image":"https://media.daily.dev/image/upload/s--2-1xRawN--/f_auto/v1722860399/public/Placeholder%2011","thumbnailUrl":"https://media.daily.dev/image/upload/s--2-1xRawN--/f_auto/v1722860399/public/Placeholder%2011","isAccessibleForFree":true,"articleSection":"ipSpace.net 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":"ipSpace.net Blog","logo":"https://media.daily.dev/image/upload/s--xS7E82MT--/f_auto,q_auto/v1786438303/logos/ipspace?_a=BAMAMicg0","url":"https://daily.dev/sources/ipspace"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/worth-reading-2-mpps-on-a-pentium-cpu-ipspace-net-blog-v2lezep0l","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"networking","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"ipSpace.net Blog","item":"https://daily.dev/sources/ipspace"},{"@type":"ListItem","position":3,"name":"Worth Reading: 2 Mpps on a Pentium CPU « ipSpace.net blog"}]} ```