Optimizing WebKit & Safari for Speedometer 3.0
Apr 10, 2024 by Alan Baradlay, Antti Koivisto, Matt Woodrow, Patrick Angle, Ryosuke Niwa, Vitor Ribeiro Roriz, Wenson Hsieh, and Yusuke Suzuki The introduction of Speedometer 3.0 is a major step forward in making the web faster for all, and allowing Web developers to make websites and web apps that were not previously possible. In this article, we explore ways the WebKit team made performance opti
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Elasticsearchã®ãƒ‘フォーマンスå•é¡Œã‚’プãƒãƒ•ã‚¡ã‚¤ãƒ©ã‚’使ã£ã¦è§£æ±ºã™ã‚‹ | メルカリエンジニアリング
search infra teamã®mrkm4ntrã§ã™ã€‚我々ã®ãƒãƒ¼ãƒ ã§ã¯Elasticsearchã‚’Kubernetes上ã§å¤šæ•°é‹ç”¨ã—ã¦ã„ã¾ã™ã€‚æ´å²çš„経緯ã«ã‚ˆã‚ŠElasticsearchã®ã‚¯ãƒ©ã‚¹ã‚¿ã¯å…¨ã¦Elasticsearchクラスタ専用ã®node pool上ã§å‹•ä½œã—ã¦ã„ã¾ã—ãŸã€‚Elasticsearchã®Podã¯ä½¿ç”¨ã™ã‚‹ãƒªã‚½ãƒ¼ã‚¹ãŒå¤§ãã„ãŸã‚ã€ã“ã®node poolã®bin packingãŒé›£ã—ãコストを最é©åŒ–ã§ããªã„ã¨ã„ã†å•é¡ŒãŒã‚ã‚Šã¾ã—ãŸã€‚ãã“ã§å…¨ã¦ã®Elasticsearchクラスタを専用ã®node poolã‹ã‚‰ä»–ã®ãƒ¯ãƒ¼ã‚¯ãƒãƒ¼ãƒ‰ã¨å…±å˜å¯èƒ½ãªnode poolã¸ç§»è¡Œã—ã¾ã—ãŸã€‚ã»ã¨ã‚“ã©ã®ã‚¯ãƒ©ã‚¹ã‚¿ãŒå•é¡Œãªã移行ã§ããŸã®ã§ã™ãŒã€å”¯ä¸€ç§»è¡Œå¾Œã«latencyã®ã‚¹ãƒ‘イクãŒå¤šç™ºã—ã¦ã—ã¾ã†ã‚‚ã®ãŒã‚ã‚Šã¾ã—ãŸã€‚ ã“ã®è¨˜äº‹ã§ã¯ã€ãã®åŽŸå› を調査ã™ã‚‹æ–¹æ³•ã¨ç™ºè¦‹ã—ãŸè§£æ¶ˆæ–¹æ³•ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ 発生ã—ãŸç¾è±¡ å…±
Webアプリケーションã®ãƒ‘フォーマンス・ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã®å‹˜æ‰€ / web tuningperformance
# å‚考資料 - https://speakerdeck.com/hanhan1978/purohuairawoshi-tutaphpapurikesiyongai-shan-falsekan-suo - https://speakerdeck.com/hanhan1978/web-applicat…
超便利ï¼Postmanã®APIパフォーマンステストã§ç°¡å˜ã‹ã¤ç´ æ—©ã性能フィードãƒãƒƒã‚¯ã‚’手ã«å…¥ã‚Œã‚ˆã† - Qiita
ã¯ã˜ã‚ã« Postmanã®APIパフォーマンステストã¯2023å¹´6月ã«ãƒ™ãƒ¼ã‚¿ãƒªãƒªãƒ¼ã‚¹ï¼ˆï¼Šï¼‰ã•ã‚Œã¾ã—ãŸã€‚ã“ã®æ©Ÿèƒ½ã«ã‚ˆã‚Šã€Postmanã®ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ã«ç™»éŒ²ã•ã‚Œã¦ã„ã‚‹API群ã«å¯¾ã—ã¦ã€æ‰‹è»½ã«ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‹ã‚‰è² è·ã‚’ã‹ã‘ã€APIã®ãƒ‘フォーマンスや性能å•é¡Œãªã©ã®ç¢ºèªãŒã§ãるよã†ã«ãªã‚Šã¾ã—ãŸã€‚Postmanã§API開発ã—ãªãŒã‚‰ç´ æ—©ãサクッã¨APIã®æ€§èƒ½ãƒ•ã‚£ãƒ¼ãƒ‰ãƒãƒƒã‚¯ãŒå¾—られるã“ã¨ãŒã“ã®æ©Ÿèƒ½ã®é…力ã§ã™ã€‚ 本記事ã§ã¯ãã®ä½¿ã„æ–¹ã€æ³¨æ„点・制é™ãªã©ã«ã¤ã„ã¦ç°¡å˜ã«ã”紹介ã—ã¾ã™ã€‚ Postman APIパフォーマンステストを使ã£ã¦ã¿ã‚‹ 事å‰æº–å‚™ APIパフォーマンステストã¯ã€2023å¹´6月時点ã§Postmanデスクトップアプリã‹ã‚‰ã®ã¿åˆ©ç”¨å¯èƒ½ã§ã™ã€‚ã¾ã インストールã—ã¦ã„ãªã„æ–¹ã¯ã“ã¡ã‚‰ã‚ˆã‚Šãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦ãã ã•ã„。 次ã«ã€æ©Ÿèƒ½ç´¹ä»‹ã§åˆ©ç”¨ã™ã‚‹ã‚µãƒ³ãƒ—ルAPIを用æ„ã—ã¾ã™ã€‚ã“ã“ã§ã¯Published Postman Te
Linux Performance
static, benchmarking, tuning: sar, perf-tools, bcc/BPF: bpftrace, BPF book: Images license: creative commons Attribution-ShareAlike 4.0. This page links to various Linux performance material I've created, including the tools maps on the right. These use a large font size to suit slide decks. You can also print them out for your office wall. They show: Linux observability tools, Linux static perfor
MySQLã®æ©Ÿèƒ½ã§ã‚¹ãƒãƒ¼ã‚¯ã‚¨ãƒªé–¢é€£ã®è§£æžã‚’è¡Œã†æ–¹æ³•ã®ç´¹ä»‹ - エã‚サイト TechBlog.
ã¯ã˜ã‚ã« XTechグループ Advent Calendar 2021ã®16日目ã¯ã€iXITæ ªå¼ä¼šç¤¾ エンジニアã®è¦åãŒãŠé€ã‚Šã—ã¾ã™ã€‚ 最近ãƒãƒžã£ã¦ã„ã‚‹ã‚‚ã®ã¯éŸ³æ¥½ç³»Vtuberã§ã™ã€‚VIRTUAFREAK良ã‹ã£ãŸâ€¦ã€‚ qiita.com 本題 ツールãªã©ã‚’å°Žå…¥ã—ãªãã¦ã‚‚SlowQueryを解æžã§ãる機能ãŒMySQLã«ã¯å˜åœ¨ã™ã‚‹ã®ã§ã€ä»Šå›žã¯ãã®ä¸€éƒ¨ã‚’紹介ã—ã¾ã™ã€‚ ã¡ãªã¿ã«ç§ãŒé–‹ç™ºã—ã¦ã„るサービスã®MySQLãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯5.6ã§ã™ã€‚ 1. mysqldumpslow 一言ã§è¨€ã†ã¨ã‚¹ãƒãƒ¼ã‚¯ã‚¨ãƒªãƒ¼ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã‚’解æžã—ã¦å†…容ã®ã‚µãƒžãƒªãƒ¼ã‚’出力ã—ã¦ãれる機能ã§ã™ã€‚ å‰æã¨ã—ã¦ã‚¹ãƒãƒ¼ã‚¯ã‚¨ãƒªãƒ¼ãƒã‚°ã‚’出力ã—ã¦ã„ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ 使ã„æ–¹ コマンド ※åˆè¨ˆå®Ÿè¡Œæ™‚é–“ãŒé•·ã„é †ã«10件ã®SQLを出力ã™ã‚‹ mysqldumpslow -s at -t 10 /opt/fio1/slog/sp-prd-db1-slow.
AMD Ryzen 9 7900X / Ryzen 9 7950X Benchmarks Show Impressive Zen 4 Linux Performance Review - Phoronix
Show Your Support: Did you know that you can get Phoronix Premium for under $4 per month? Try it today to view our site ad-free, multi-page articles on a single page, and more while the proceeds allow us to write more Linux hardware reviews. At the very least, please disable your ad-blocker. AMD Ryzen 9 7900X / Ryzen 9 7950X Benchmarks Show Impressive Zen 4 Linux Performance Written by Michael Lar
500ms to 1.7ms In React: A Journey And A Checklist
Written by Oren Farhi, Front End Engineer Tech Lead, follow me on This article has been translated: Chinese 1 (by Qlly) Chinese 2 (by Qlly) Korean (by Ykss) I bet the need to tweak perfomance comes in a certain phase of development for every developer, in every app. There are very good resources and articles about how to tweak performance in react and this article is no exception. I thought I will
Python 3.11 Performance Benchmarks Are Looking Fantastic - Phoronix
Python 3.11 Performance Benchmarks Are Looking Fantastic Written by Michael Larabel in Software on 6 June 2022 at 02:00 PM EDT. Page 1 of 4. 64 Comments. Last month Python 3.11 Beta 1 was released as their first preview of this major update to the Python programming language. Besides new language features and other improvements, Python 3.11 performance is looking fantastic with very nice performan
書ç±ã€Œé”人ãŒæ•™ãˆã‚‹Webパフォーマンスãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã€ã¯ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã®è€ƒãˆæ–¹ã‚’æ•™ãˆã¦ãれる良本 - Gマイナー志å‘
通称 #ISUCON本 を著者様ã‹ã‚‰ã”æµè´ˆã„ãŸã ãã¾ã—ãŸã€‚ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ gihyo.jp 所感 ã“ã®æ›¸ç±ã€è¨€ã£ã¦ã„ã„ã®ã‹ã‚ã‹ã‚Šã¾ã›ã‚“ãŒã¾ã£ãŸãã®åˆå¿ƒè€…・åˆå¦è€…ã«ã¯é›£ã—ã„本ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“。ç§ã®æ„Ÿè§¦ã§ã¯ã€Webサイトã®ãƒ—ãƒã‚°ãƒ©ãƒ 作æˆã€æ”¹ä¿®ã€æ§‹ç¯‰ã€é‹ç”¨ãªã©ã«æºã‚ã£ãŸã‚Šã€Webサイトã®ãƒ‘フォーマンスã®å•é¡Œã«å‘ãåˆã£ãŸã“ã¨ãŒã‚る人ãŒå¯¾è±¡èªè€…ã ã¨æ€ã„ã¾ã—ãŸã€‚è·ç¨®ã§ã„ãˆã°ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã€ã‚¤ãƒ³ãƒ•ãƒ©ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã€SREãªã©ã§ã™ã。もã¡ã‚ã‚“ãã†ã„ã£ãŸè·ç¨®ã‚’目指ã—ã¦ã„る方やã€ç´”粋ã«ISUCONã«æŒ‘戦ã—ãŸã„ã€ãƒ‘フォーマンスãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã«èˆˆå‘³ãŒã‚ã‚‹ã€ã¨ã„ã£ãŸæ–¹ã‚‚å«ã¾ã‚Œã¾ã™ã€‚ ã“ã®æœ¬ã¯ç‰¹å®šã®å•é¡Œã«å¯¾ã™ã‚‹ç›´æŽ¥çš„ãªç”ãˆã§ã¯ãªãã€ãƒ‘フォーマンスãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã®è€ƒãˆæ–¹ã‚’æ•™ãˆã¦ãれる内容ã«ãªã£ã¦ã„ã¾ã™ã€‚ã“ã®æœ¬ã‚’å‚考ã«å®Ÿéš›ã«æ‰‹ã‚’å‹•ã‹ã—ã¦å®Ÿè·µã™ã‚‹ã®ãŒè‰¯ã„ã§ã—ょã†ã€‚ç¾å®Ÿã®Webサイトをãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã™ã‚‹ã§ã‚‚ã„ã„ã§ã™ã—ã€ã
GitHub - janestreet/magic-trace: magic-trace collects and displays high-resolution traces of what a process is doing
magic-trace collects and displays high-resolution traces of what a process is doing. People have used it to: figure out why an application running in production handles some requests slowly while simultaneously handling a sea of uninteresting requests, look at what their code is actually doing instead of what they think it's doing, get a history of what their application was doing before it crashe
Apple M1 Performance On Linux: Benchmarks Better Than Expected For Its Alpha State Review - Phoronix
Microsoft Releases Performance Tools For Linux/Android - Phoronix
Microsoft Releases Performance Tools For Linux/Android Written by Michael Larabel in Microsoft on 8 December 2021 at 08:54 AM EST. 9 Comments Microsoft has introduced "Microsoft-Performance-Tools for Linux-Android" as a collection of open-source tools for analyzing system performance on Linux and Android. Microsoft's Performance Tools for Linux/Android basically wrap around tracing using existing
BOLT Merged Into LLVM To Optimize Binaries For Faster Performance - Phoronix
BOLT Merged Into LLVM To Optimize Binaries For Faster Performance Written by Michael Larabel in LLVM on 11 January 2022 at 04:10 PM EST. 25 Comments Merged into LLVM's mono repository minutes ago was BOLT! This is the Facebook-developed tool for optimizing the layout of binaries in the name of delivering greater performance. Facebook (now Meta) already has been using BOLT internally to great succe
Web Speed Hackathon 2021 miniã§ã»ã¼æº€ç‚¹ã‚’出ã—ã¾ã—ãŸ
gzip圧縮ã ã¨ã‚ã¾ã‚Šåœ§ç¸®ã§ãã¦ã„ãªãã€ã‚¹ãƒ©ã‚¤ãƒ‡ã‚£ãƒ³ã‚°ã‚¦ã‚£ãƒ³ãƒ‰ã‚¦ãŒå°ã•ã„ã›ã„ã‹ãªã¨æ€ã£ãŸã®ã§ã™ãŒã€å®Ÿéš›ã«å¤§ãã•ãŒã‹ãªã‚Šé•ã†ã¿ãŸã„ãªã®ã§ã€ãã‚ŒãŒåŽŸå› ã¨ã—ã¦ã‚ã‚Šãˆãã†ã§ã™ã€‚ Gzip uses a fixed size, 32KB window, and Brotli can use any window size from 1KB to 16MB, in powers of 2 (minus 16 bytes). This means that the Brotli window can be up to 512 times larger window than the deflate window. Results of experimenting with Brotli for dynamic web content - The Cloudflare Blog AudioContextã®
ISUCON11予é¸èª²é¡Œã®27万点ã¾ã§ç·´ç¿’ã—新人エンジニアãŒå¦ã‚“ã ã“㨠- Classi開発者ブãƒã‚°
ã“ã®è¨˜äº‹ã¯ Classi developers Advent Calendar 2021 ã®23日目ã®è¨˜äº‹ã§ã™ã€‚ ã“ã‚“ã«ã¡ã¯ã€ãƒ—ãƒãƒ€ã‚¯ãƒˆé–‹ç™ºéƒ¨ã®2å¹´ç›®ã®@minhquang4334ã§ã™ã€‚ 今年ã®8月ã«ã€åŒã˜éƒ¨ã§3å¹´ç›®ã®@henchiyb 先輩ã¨ä¸€ç·’ã« yasuoãƒãƒ¼ãƒ を作りã€ISUCON11 オンライン予é¸ã«åˆã‚ã¦å‚åŠ ã—ã¾ã—ãŸã€‚å‚åŠ ã™ã‚‹ãã£ã‹ã‘ã¯å¼Šç¤¾ã«æ¥å‹™å§”託ã¨ã—ã¦æ¥ã¦ãã ã•ã£ã¦ã„ã‚‹@soudaiã•ã‚“ã‹ã‚‰ISUCONã®è©±ã«ã¤ã„ã¦èžã‹ã‚Œã¦ã€é¢ç™½ãã†ãªã®ã§ã€ãƒãƒ£ãƒ¬ãƒ³ã‚¸ã—ã¦ã¿ã¾ã—ãŸã€‚çµæžœã¯Rubyã§4万点ã¾ã§é”æˆã§ãã¾ã—ãŸãŒã€å…¨ä½“ã®ãƒãƒ¼ãƒ ã®100/598 ä½ãらã„ã§æ•—退ã—ã¦ã—ã¾ã„ã¾ã—ãŸã€‚ オンライン予é¸ãŒçµ‚ã‚ã£ãŸå¾Œã€æ•°ç™¾ä¸‡ç‚¹ã‚’é”æˆã—ãŸãƒãƒ¼ãƒ ã¯ã©ã†ã‚„ã£ã¦ãã“ã¾ã§å‡ºæ¥ãŸã®ã‹ã¨ãšã£ã¨ç–‘å•ã§ã—ãŸã€‚å„ãƒãƒ¼ãƒ ã®è§£èª¬ãƒ–ãƒã‚°ã‚’見ã¦ã¿ã¾ã—ãŸãŒã€ç›®ã‚’通ã—ãŸã ã‘ã§ã™ã忘れã¦ã—ã¾ã„ã€çŸ¥è¦‹ã‚’æ·±ãç†è§£ã§ããªã„ã¨æ€ã„ã¾ã—ãŸã€‚
bpftraceを使ã£ã¦ãƒã‚¤ãƒŠãƒªã®è¬Žã®æ€§èƒ½åŠ£åŒ–ã‚’çªãæ¢ã‚ã‚ - Cybozu Inside Out | サイボウズエンジニアã®ãƒ–ãƒã‚°
サイボウズ社内ã§ã¯C++ã§é–‹ç™ºã—ã¦ã„る製å“ãŒã‚ã‚Šã¾ã™ã€‚ 未知ã®ãƒãƒƒãƒ•ã‚¡ã‚ªãƒ¼ãƒãƒ¼ãƒ©ãƒ³ãªã©ã®è„†å¼±æ€§ã¸ã®å¯¾ç–ã¨ã—ã¦ã€é‡è¦ãªã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã«ã¤ã„ã¦ã¯ãƒ—ãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ç’°å¢ƒã§åˆ©ç”¨ã—ã¦ã„ã‚‹ãƒã‚¤ãƒŠãƒªã§ã‚‚ AddressSanitizer を有効ã«ã—ã¦ãƒ“ルドã—ã¦ã„ã¾ã™ã€‚ ãã®è£½å“ã§åˆ©ç”¨ã—ã¦ã„るコンパイラをgcc5.3.0ã‹ã‚‰gcc7.5.0ã«æ›´æ–°ã—ãŸã¨ã“ã‚性能劣化ãŒç™ºç”Ÿã—ã¾ã—ãŸã€‚ 製å“コードã¨ã¯åˆ¥ã®éƒ¨åˆ†ãŒåŽŸå› ã®ãŸã‚ã€æ ¹æœ¬åŽŸå› ã®è¿½è·¡ãŒé›£ã—ãã†ã§ã™ã€‚perf,bpftraceを使ã£ã¦æ€§èƒ½åŠ£åŒ–を追ã„ã‹ã‘ã¦ã¿ã¾ã—ょã†ã€‚ 本記事ã§åˆ©ç”¨ã—ã¦ã„ã‚‹AddressSanitizer, bpftrace, perfコマンドã¯ãƒãƒƒãƒˆä¸Šã«è‰¯è³ªãªè¨˜äº‹ãŒã‚ã‚Šã¾ã™ã®ã§ã€ä½¿ã„æ–¹ãªã©ã®è§£èª¬ã¯ä»Šå›žã¯çœç•¥ã•ã›ã¦ã„ãŸã ãã¾ã™ã€‚ gcc7.5.0ã«ãŠã„ã¦ã€æ€§èƒ½åŠ£åŒ–ãŒç™ºç”Ÿã™ã‚‹å†ç¾ã‚³ãƒ¼ãƒ‰ã¨ã—ã¦æ¬¡ã®ã‚ˆã†ãªã‚‚ã®ã‚’用æ„ã—ã¾ã—ãŸã€‚ #include <strin
Linux perf Profiler UIs
Linux perf Profiler UIs pprof Web UI looking at a flamechart of regexp stack traces. This post is a quick literature review of CPU profiler user interfaces available for analysing Linux program performance. I couldn't find any list of profiler UIs online. Hopefully this can help people find the profiler UI that's right for them. CPU Profiler output is extremely multidimensional — processes, thread
特定ã®ç«¯æœ«ã®ã¿ã§èµ·ã“ã‚‹ WebView プãƒãƒ•ãƒªãƒ¼ã‚ºã‚’ Tracing を利用ã—ã¦è¿½ã£ãŸè©± - SmartNews Engineering Blog
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