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In Chrome M117 we introduced a new optimizing compiler: Maglev. Maglev sits between our existing Sparkplug and TurboFan compilers, and fills the role of a fast optimizing compiler that generates good enough code, fast enough. Background # Until 2021 V8 had two main execution tiers: Ignition, the interpreter; and TurboFan, V8âs optimizing compiler focused on peak performance. All JavaScript code is
ãWinterJS 1.0ãã®è¨äºãã·ã§ã¢ããã¦ããã®ã§èªãã§ããã®ã ãã©ãBunããéããªã£ããã¨æ¸ããã¦ããã®ã§ä½äºã¨æã£ã¦ãã§ãã¯ãã¦ã¿ã wasmer.io ãã³ããã¼ã¯ã®ææ¸ã¯ä»¥ä¸ã«å ¬éããã¦ãã github.com ã§ãã¾ãã¨ã©ã¼ããã£ã¡ãåºã¦ã Socket errors: connect 155, read 108, write 0, timeout 29 ããã¯ããã¨ãã¦ï¼ãããªããï¼ãèå¿ãªã¨ããã¯Jarred Sumnerãææãã¦ãããã©wrk -t12 -c400ã§ãªã¯ã¨ã¹ãã®ä¸¦åå¦ç½®æ§è½ã測ã£ã¦ããã¨ããã®ã«éåæããã Theyâre benchmarking their HTTP server running on 12 cores compared to Bun running on 1 coreâ Jarred Sumner (@jarredsumne
Over the past few months, during the lead-up to the TypeScript 5.0 beta, our team spent a good portion of our time looking for ways to improve the performance of our compiler so that your projects build faster. One of the ways we improved was by looking into an oft overlooked aspect of many JavaScript VMs: inline caching. A Brief Primer on Inline Caching Inline caching is an optimization often use
How we made Vite 4.3 faaaaster ð âJust like @sapphi-red said, Vite 4.3 has made amazing performance improvements over Vite 4.2. These benchmarks based on a large project with 1000 react components. And these react components were transformed by vite-plugin-react and vite-plugin-react-swc. As a new rookie on the team, I am so glad that I've joined this party. To let more people know what we did to
Around 45% of requests from websites served on mobile and desktop are third-party requests of which 33% are scripts. The size, latency, and loading of third-party scripts can significantly affect a site's performance. The Next.js Script component comes with baked-in best practices and defaults to help developers introduce third-party scripts in their applications while addressing potential perform
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A few years ago I had the privilege of being an engineer on the Google Photos team and part of the initial launch in 2015. A lot of people contributed to the product â designers, product managers, researchers, and countless engineers (across Android, iOS, Web, and the server) to name just some of the major roles. My responsibility was the web UI, and more specifically the photo grid. We wanted to
Node v9.0.0 (Current) | Node.js Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine. ä»å㯠Node åä½ã®è©±ãªã®ã§ãExpressãNginx çã®ãã¥ã¼ãã³ã°ã«é¢ãã¦ã¯ã³ã³ã«ã¯æ¸ãã¾ããã ã¾ããlibuv çã®ã³ã¼ãå é¨ã®è©±ããã¾ããã âinspect, âinspect-brk ãã¨ãã¨ãã£ãã--debugãã移è¡ããã¾ããã(v8.0.0 ~) Chrome ã使ããããã°ããããã¡ã¤ãªã³ã°çã使ããããã«ãªãã¾ãã ãã©ã¦ã¶ã§ä½¿ããã®ã§ããã¤ã使ã£ã¦ããæãã¨åãã§ãã --inspect-brkã¯--debug-brkã¨åæ§ã«æåã®è¡ã«ãã¬ã¼ã¯ãã¤ã³ããè¨ç½®ããèµ·åãã¾ãã $ node --inspect test.js Debugger lis
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