--- title: Simdjson Shows More Speed-Ups Possible For SIMD In JSON... description: Simdjson, the open-source high-performance JSON parsing library that leverages SIMD CPU instructions, has achieved another ~30% speed improvement in JSON... canonical: https://daily.dev/posts/simdjson-shows-more-speed-ups-possible-for-simd-in-json-parsing-another-30-boost-gm3xesadz twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Simdjson Shows More Speed-Ups Possible For SIMD In JSON Parsing: Another 30% Boost | daily.dev og:description: Simdjson, the open-source high-performance JSON parsing library that leverages SIMD CPU instructions, has achieved another ~30% speed improvement in JSON... og:url: https://daily.dev/posts/simdjson-shows-more-speed-ups-possible-for-simd-in-json-parsing-another-30-boost-gm3xesadz og:image: https://api.daily.dev/og/posts/Gm3XESADz.png og:image:alt: Simdjson Shows More Speed-Ups Possible For SIMD In JSON Parsing: Another 30% Boost 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. # Simdjson Shows More Speed-Ups Possible For SIMD In JSON Parsing: Another 30% Boost **[Phoronix](https://daily.dev/sources/phoronix)** · 1 min read · 0 upvotes · 0 comments ## Summary Simdjson, the open-source high-performance JSON parsing library that leverages SIMD CPU instructions, has achieved another ~30% speed improvement in JSON parsing throughput. The project is known for parsing gigabytes of JSON per second and previously demonstrated significant gains using AVX-512 instructions. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [SIMDjson 5.0 Released: Still Making JSON Parsing Even Faster](https://daily.dev/posts/simdjson-5-0-released-still-making-json-parsing-even-faster-8dkdo84rs) · Phoronix · 0 upvotes · 0 comments - [Optimizing Ruby's JSON, Part 8](https://daily.dev/posts/optimizing-ruby-s-json-part-8-shvmzrvw8) · RUBYLAND · 1 upvotes · 0 comments --- Tags: [#performance](https://daily.dev/tags/performance) [View this post on daily.dev](https://daily.dev/posts/simdjson-shows-more-speed-ups-possible-for-simd-in-json-parsing-another-30-boost-gm3xesadz) ```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":"Simdjson Shows More Speed-Ups Possible For SIMD In JSON Parsing: Another 30% Boost","url":"https://daily.dev/posts/simdjson-shows-more-speed-ups-possible-for-simd-in-json-parsing-another-30-boost-gm3xesadz","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/simdjson-shows-more-speed-ups-possible-for-simd-in-json-parsing-another-30-boost-gm3xesadz"},"datePublished":"2026-02-19T11:16:43.243Z","dateModified":"2026-02-19T11:38:44.048Z","description":"Simdjson, the open-source high-performance JSON parsing library that leverages SIMD CPU instructions, has achieved another ~30% speed improvement in JSON...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/bd9d783d335904e96cb0ede536f3095c?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/bd9d783d335904e96cb0ede536f3095c?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Phoronix","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":"Phoronix","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/6a26ba379dd64932830aa0c9803dd7ee","url":"https://daily.dev/sources/phoronix"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/simdjson-shows-more-speed-ups-possible-for-simd-in-json-parsing-another-30-boost-gm3xesadz","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"performance","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Phoronix","item":"https://daily.dev/sources/phoronix"},{"@type":"ListItem","position":3,"name":"Simdjson Shows More Speed-Ups Possible For SIMD In JSON Parsing: Another 30% Boost"}]} ```