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nasust id:nasust

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ç‰¹å®šã®ç«¯æœ«ã®ã¿ã§èµ·ã“ã‚‹ WebView ãƒ—ãƒãƒ•ãƒªãƒ¼ã‚ºã‚’ Tracing ã‚’åˆ©ç”¨ã—ã¦è¿½ã£ãŸè©± - SmartNews Engineering Blog
ã“ã‚“ã«ã¡ã¯ã€ã‚¹ãƒžãƒ¼ãƒˆãƒ‹ãƒ¥ãƒ¼ã‚¹æ ªå¼ä¼šç¤¾ã®ç´€å¹³ã§ã™ã€‚ SmartNews ã®ã‚¢ãƒ—ãƒªå†…ã§ã¯ã€æœ€è¿‘ WebView ã‚’ä½¿ã£ãŸæ©Ÿèƒ½ã‚’å¤šæ•°å…¬é–‹ã—ã¦ãŠã‚Šã¾ã™ã€‚ãã®ã†ã¡ã®ä¸€ã¤ã«ã‚·ãƒ§ãƒƒãƒ”ãƒ³ã‚°ãƒãƒ£ãƒ³ãƒãƒ«ã¨ã„ã†æ©Ÿèƒ½ãŒã‚ã‚‹ã®ã§ã™ãŒã€ä»Šæ—¥ã¯ãã®ã‚·ãƒ§ãƒƒãƒ”ãƒ³ã‚°ãƒãƒ£ãƒ³ãƒãƒ«ã®ã‚¿ã‚¤ãƒ ã‚»ãƒ¼ãƒ«æž ã§ä»¥å‰ç™ºç”Ÿã—ãŸã€è¬Žã®ãƒ—ãƒãƒ•ãƒªãƒ¼ã‚ºå•é¡Œã®èª¿æŸ»æ‰‹æ³•ã‚’ã”ç´¹ä»‹ã—ã¾ã™ã€‚ tl;dr ç‰¹å®šã® Android ç«¯æœ«ã§ãƒ—ãƒãƒ•ãƒªãƒ¼ã‚ºãŒç™ºç”Ÿã—ãŸ å†æç”»é ˜åŸŸã‚’æ¸›ã‚‰ã™ã“ã¨ã§ç¾è±¡ã¯æ”¹å–„ã—ãŸ Chrome ã® Tracing æ©Ÿèƒ½ã‚’åˆ©ç”¨ã—ã€ãƒ–ãƒ©ã‚¦ã‚¶ã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã¾ã§å‚ç…§ã—ã¦ã€ã¤ã„ã«æ ¹æœ¬åŽŸå› ã¾ã§çªãæ¢ã‚ãŸ ã‚¿ã‚¤ãƒ ã‚»ãƒ¼ãƒ«ã§èµ·ã“ã£ãŸå•é¡Œ ã‚¿ã‚¤ãƒ ã‚»ãƒ¼ãƒ«ã¯ã€SmartNews ã®ã‚·ãƒ§ãƒƒãƒ”ãƒ³ã‚°ãƒãƒ£ãƒ³ãƒãƒ«å†…ã«ãŠã„ã¦ WebView ã§æä¾›ã•ã‚Œã¦ã„ã‚‹ã€æœŸé–“é™å®šã®ãŠå¾—ãªå•†å“ã‚’ã‚¢ã‚°ãƒªã‚²ãƒ¼ã‚·ãƒ§ãƒ³ã—ãŸæ©Ÿèƒ½ã§ã™ã€‚EC ã‚µã‚¤ãƒˆå„ç¤¾ã®ã”å”åŠ›ã®ä¸Šã«ã”æä¾›ã—ã¦ãŠã‚Šã¾ã™ã€‚å†…éƒ¨ã¯ HTML5 ã§é–‹
nasust 2021/03/31
chrome

performance

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

debug
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GitHub - TheAlgorithms/Ruby: All algorithms implemented in Ruby
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nasust 2020/10/07
performance

github

ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹
ãƒªãƒ³ã‚¯
BPF Performance Tools: Linux System and Application Observability (book)
BPF Performance Tools: Linux System and Application Observability (book) 15 Jul 2019 BPF (eBPF) tracing is a superpower that can analyze everything, and I'll show you how in my upcoming book BPF Performance Tools: Linux System and Application Observability, coming soon from Addison Wesley. The book includes over 150 BPF observability tools that you can run to find performance wins and troubleshoot
nasust 2019/07/16
å‡„ã„ã€‚

linux

performance

book
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é«˜è² è·ã‚·ã‚¹ãƒ†ãƒ ã§NVMeãƒ‡ãƒã‚¤ã‚¹ä½¿ç”¨æ™‚ã®fstrimã¨discard mount optionã®è©± - ãŸã”ã‚‚ã‚Šã™ãƒ¡ãƒ¢
å…ˆã«ã¾ã¨ã‚ã‚‹ã¨ ãƒ‡ã‚£ã‚¹ã‚¯I/Oã«é«˜ã„è² è·ã‚’ã‹ã‘ã‚‹ã‚·ã‚¹ãƒ†ãƒ ã§NVMeãƒ‡ãƒã‚¤ã‚¹ã‚’ä½¿ã†ã¨ãweekly cron jobã§fstrimãŒèµ°ã‚‹çŠ¶æ³ã«ãªã£ã¦ãŸã‚‰åœæ¢ã—ã‚ ã˜ã‚ƒãªã„ã¨fstrimãŒèµ°ã£ãŸçž¬é–“ã«I/Oãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãŒåˆºã•ã£ã¦æ»ã¬ fstrimã‚’åœæ¢ã™ã‚‹ãªã‚‰discard mount optionã‚’æœ‰åŠ¹åŒ–ã—ã‚ã€ãŸã ã—ãã®çŠ¶æ…‹ã§ã®I/Oæ€§èƒ½ã§å•é¡Œãªã„ã‹ã©ã†ã‹æ¸¬ã£ã¦ãŠã‘ discard mount optionã‚’æœ‰åŠ¹åŒ–ã—ã¦ã‚‚å¤§ãã„ãƒ•ã‚¡ã‚¤ãƒ«ã®å‰Šé™¤ã«ã¯æ°—ã‚’ã¤ã‘ã‚ã€ãƒ—ãƒfstrimã¿ãŸã„ã«ãªã‚‹ãž è¿½è¨˜ã•ã‚Œã‚‹ã°ã‹ã‚Šã§å¤§ãããªã‚‹ãƒ•ã‚¡ã‚¤ãƒ«(ãã—ã¦å‰Šé™¤ã•ã‚Œã‚‹ãƒ•ã‚¡ã‚¤ãƒ«)ã¯NVMeã˜ã‚ƒãªã„ãƒ‡ãƒã‚¤ã‚¹ã«ç½®ã„ã¨ã‘ é«˜I/Oã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆã‚’æœŸå¾…ã™ã‚‹ã‚·ã‚¹ãƒ†ãƒ ã§ã®NVMeã¨fstrim ç¤¾å†…ã§å°ã•ã‚ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚’å¤šãä¸¦ã¹ã¦ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚’æŒã„ã¦ãŸã®ã‚’è‰²ã€…è¦ä»¶ãŒã‚ã£ã¦å¤§ãã‚ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã«ã¾ã¨ã‚ã‚‹ã‚ˆã†ãªã‚·ã‚¹ãƒ†ãƒ ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã‚’ã‚„
nasust 2019/06/24
ã‚¢ã‚¯ã‚»ã‚¹

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

NVMe

linux

performance

ssd
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React Â |Â web.dev
Web Platform Dive into the web platform, at your pace.
nasust 2019/05/09
react

performance
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Sorting algorithm reference, for coding interviews and computer science classes | Interview Cake
Which Sorting Algorithm Should I Use? It depends. Each algorithm comes with its own set of pros and cons. Quicksort is a good default choice. It tends to be fast in practice, and with some small tweaks its dreaded worst-case time complexity becomes very unlikely. A tried and true favorite. Heapsort is a good choice if you can't tolerate a worst-case time complexity of or need low space costs. The
nasust 2019/04/27
performance

Programming

programming

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

é–‹ç™º

dev

development
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How to use SVG as a Placeholder, and Other Image Loading Techniques
By JosÃ© M. PÃ©rez Iâ€™m passionate about image performance optimisation and making images load fast on the web. One of the most interesting areas of exploration is placeholders: what to show when the image hasnâ€™t loaded yet. During the last days I have come across some loading techniques that use SVG, and I would like to describe them in this post. In this post we will go through these topics: Overvi
nasust 2018/03/01
performance

SVG
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Webãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹æ¯”è¼ƒ
ã‚ãªãŸã«ã¨ã£ã¦é‡è¦ãªãƒˆãƒ”ãƒƒã‚¯ã‚„åŒåƒšã®æœ€æ–°æƒ…å ±ã‚’å…¥æ‰‹ã—ã¾ã—ã‚‡ã†æœ€æ–°ã®æ´žå¯Ÿã¨ãƒˆãƒ¬ãƒ³ãƒ‰ã«é–¢ã™ã‚‹æœ€æ–°æƒ…å ±ã‚’å³åº§ã«å—ã‘å–ã‚Šã¾ã—ã‚‡ã†ã€‚ ç¶™ç¶šçš„ãªå¦ç¿’ã®ãŸã‚ã«ã€ç„¡æ–™ã®ãƒªã‚½ãƒ¼ã‚¹ã«æ‰‹è»½ã«ã‚¢ã‚¯ã‚»ã‚¹ã—ã¾ã—ã‚‡ã†ãƒŸãƒ‹ãƒ–ãƒƒã‚¯ã€ãƒˆãƒ©ãƒ³ã‚¹ã‚¯ãƒªãƒ—ãƒˆä»˜ãå‹•ç”»ã€ãŠã‚ˆã³ãƒˆãƒ¬ãƒ¼ãƒ‹ãƒ³ã‚°æ•™æã€‚ è¨˜äº‹ã‚’ä¿å˜ã—ã¦ã€ã„ã¤ã§ã‚‚èªã‚€ã“ã¨ãŒã§ãã¾ã™è¨˜äº‹ã‚’ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ã—ã¦ã€æº–å‚™ãŒã§ããŸã‚‰ã„ã¤ã§ã‚‚èªã‚ã¾ã™ã€‚
nasust 2014/05/14
ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯

web

programming

performance

framework
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Real-Time Web App Performance Monitoring : New Relic
Observability that predicts thinks acts knows predicts protects Intelligent Observability resolves issues at scaleâ€”before they impact your bottom line.
nasust 2013/03/25
performance

webã‚µãƒ¼ãƒ“ã‚¹
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GmailãŒãƒãƒžã£ãŸSPDYã®è½ã¨ã—ç©´ - ã¼ã¡ã¼ã¡æ—¥è¨˜
1. SPDYãƒ–ãƒ¼ãƒ åˆ°æ¥ ãŠã‹ã’ã•ã¾ã§ã€ã“ã“æ•°æ—¥ SPDY ãŒç§ã®å‘¨ã‚Šã§éžå¸¸ã«ãƒ–ãƒ¼ãƒ ã«ãªã£ã¦ãã¦ã„ã¾ã™ã€‚ å‰å›žæ¡ˆå†…ã—ãŸSPDYï¼†WSå‹‰å¼·ä¼šã¯æ—¢ã«200åä»¥ä¸Šã®ç”³ã—è¾¼ã¿ãŒã‚ã‚Šã€ä»Šã§ã¯SPDYãƒã‚¿ã§ãƒ–ãƒã‚°ã‚’æ›¸ãã¨éžå¸¸ã«æ³¨ç›®ã•ã‚Œã‚‹ã†ã‚Œã—ã„çŠ¶æ³ã§ã™ã€‚æ™‚ä»£ã¯ã¾ã•ã«ã€ SPDYã¯ãƒã‚¤ãƒ—ã‚µã‚¤ã‚¯ãƒ«ã‚’é †èª¿ã«é§†ã‘ä¸ŠãŒã£ã¦ã„ã‚‹ çŠ¶æ³ã ã¨æ€ã„ã¾ã™ã€‚ å›³ï¼‘ï¼š2012å¹´ã®ãƒã‚¤ãƒ—ã‚µã‚¤ã‚¯ãƒ«ï¼š å›³ã¯ã‚¬ãƒ¼ãƒˆãƒŠãƒ¼ç¤¾ã®ãƒ—ãƒ¬ã‚¹ãƒªãƒªãƒ¼ã‚¹ http://www.gartner.co.jp/press/html/pr20120906-01.html ã‹ã‚‰å¼•ç”¨ SPDYãŒã€ã¾ã é»Žæ˜ŽæœŸã«å…¥ã£ãŸã°ã‹ã‚Šãªã®ã‹ã€ãã‚Œã¨ã‚‚æ—¢ã«ãƒ”ãƒ¼ã‚¯æœŸã«å…¥ã£ãŸã®ã‹ã€ãã‚Œã¯æ´å²ãŒè¨¼æ˜Žã—ã¦ãã‚Œã‚‹ã§ã—ã‚‡ã†ã€‚ ã¨ã„ã†ã“ã¨ã§å‹‰å¼·ä¼šã¾ã§SPDYç†±ãŒå†·ã‚ãªã„ã‚ˆã†ã€ç§ã‚‚ã„ã‚ã‚“ãªSPDYãƒã‚¿ã‚’å‡ºã—ã¦ã„ããŸã„ã¨æ€ã„ã¾ã™ã€‚ 2. GmailãŒãƒãƒžã£ãŸSPDYã®è½ã¨ã—ç©´ã¨ã¯ å…ˆæ—¥ã€ Goo
nasust 2013/02/01
css

performance

é«˜é€ŸåŒ–
ãƒªãƒ³ã‚¯
Webã‚µãƒ¼ãƒã®æ€§èƒ½ã‚’æ¸¬ã‚‹ | IIJã®æŠ€è¡“ | ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã‚¤ãƒ‹ã‚·ã‚¢ãƒ†ã‚£ãƒ–ï¼ˆIIJï¼‰
ï¼ˆâ€»ï¼‰ã“ã®ãƒšãƒ¼ã‚¸ã§ç´¹ä»‹ã—ã¦ã„ã‚‹äº‹é …ã¯è¨˜äº‹åˆå‡ºæ™‚ç‚¹ã®æƒ…å ±ã«åŸºã¥ã„ãŸã‚‚ã®ã§ã™ã€‚æœ¬ãƒšãƒ¼ã‚¸ã¯ã‚¢ãƒ¼ã‚«ã‚¤ãƒ–ã¨ã—ã¦æŽ²è¼‰ã—ã¦ã„ã¾ã™ã€‚ 2012å¹´12æœˆ18æ—¥ UNIXç³»ã®OSã§åˆ©ç”¨ã§ãã‚‹Webã‚µãƒ¼ãƒã®æ€§èƒ½æ¸¬å®šãƒ„ãƒ¼ãƒ«ã¨ã„ãˆã°ã€Apache Benchã‚„httperfã‚’æ€ã„æµ®ã‹ã¹ã‚‹äººãŒå¤šã„ã®ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹ã€‚ã“ã‚Œã‚‰ã®è¨ˆæ¸¬ãƒ„ãƒ¼ãƒ«ã¯ã€æ®‹å¿µãªãŒã‚‰æœ€è¿‘ã®é«˜é€ŸãªWebã‚µãƒ¼ãƒã‚’è¨ˆæ¸¬ã™ã‚‹ã«ã¯éžåŠ›ã§ã™ã€‚ã“ã®è¨˜äº‹ã§ã¯ã€é«˜é€ŸãªWebã‚µãƒ¼ãƒã«ã‚‚è² ã‘ãªã„weighttpã®ä½¿ã„æ–¹ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ weighttpã¨ã¯ä½•ã‹ weighttpã¯ã€Webã‚µãƒ¼ãƒlighttpdã®é–‹ç™ºè€…ãŒå®Ÿè£…ã—ãŸWebã‚µãƒ¼ãƒã®æ€§èƒ½æ¸¬å®šãƒ„ãƒ¼ãƒ«ã§ã™ã€‚ä»¥ä¸‹ã®ã‚ˆã†ãªç‰¹å¾´ã‚’æŒã¡ã¾ã™ã€‚ Webã‚µãƒ¼ãƒã®ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆï¼ˆãƒªã‚¯ã‚¨ã‚¹ãƒˆæ¯Žç§’ï¼‰ã‚’æ¸¬å®šã§ãã‚‹ ãƒã‚¤ãƒ†ã‚£ãƒ–ã‚¹ãƒ¬ãƒƒãƒ‰ã‚’è¤‡æ•°èµ·å‹•ã—æ¸¬å®šæ€§èƒ½ã‚’å‘ä¸Šã§ãã‚‹ libevã‚’åˆ©ç”¨ã™ã‚‹ã“ã¨ã§ã€ãƒ¢ãƒ€ãƒ³ãªãƒãƒ¼ãƒ«ãƒ»ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’åˆ©ç”¨ã™ã‚‹ Apac
nasust 2012/12/20
linux

benchmark

performance
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