[B! profiler] hirose31ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

hirose31 id:hirose31

profilerã«é–¢ã™ã‚‹hirose31ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

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Profiling JSX App
JSX Advent Calendar ã®ã²ã¨ã¤ã§ã™ã€‚ JSX ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã®ç”Ÿæˆã™ã‚‹ Javascript ã‚³ãƒ¼ãƒ‰ã¯ã€çŽ„äººã®å¡æ™ºã«ã‚ˆã‚Šæœ€é©åŒ–ã•ã‚Œã¦ãŠã‚Šé€Ÿã„ã€‚ ã—ã‹ã—ã€ã˜ã£ã•ã„ã«ã‚¢ãƒ—ãƒªã‚’é€Ÿãã™ã‚‹ãŸã‚ã«ã¯ã€ãã®å‰ã«ã‚„ã‚‹ã“ã¨ãŒã‚ã‚‹ã€‚ ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã®æœ€é©åŒ–ã¯ã€ã‚³ãƒ¼ãƒ‰ã®è¡¨é¢ã‚’å‰Šã‚‹ã€‚ãã‚Œã¯ç´™ã‚„ã™ã‚Šã®ã‚ˆã†ãªã‚‚ã®ã ã€‚ç¾Žã—ã„æœ¨ã®ãƒ†ãƒ¼ãƒ–ãƒ«ã«æœ€å¾Œã®è¡¨é¢ä»•ä¸Šã’ã‚’ã™ã‚‹ã‚ˆã†ã«ã€‚ ã—ã‹ã—ã€ã¾ãšã¯ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’ãã¡ã‚“ã¨çµ„ã¿ä¸Šã’ãªã„ã¨ã„ã‘ãªã„ã€‚è¶³ã®é•·ã•ãŒé•ã£ã¦ã„ãŸã‚‰ã€ã®ã“ãŽã‚Šã§ã‚®ã‚³ã‚®ã‚³åˆ‡ã‚‹ã“ã¨ã«ãªã‚‹ã€‚ãã‚Œã«ã¯ç´™ã‚„ã™ã‚Šã ã¨æ—¥ãŒæš®ã‚Œã‚‹ã€‚ ã‚³ãƒ¼ãƒ‰ã®æ„å‘³ã‚’åŸå‘³ã—ã€æ§‹é€ çš„ãªæ”¹é©ã€ O(n^2) -> O(n) ã«ã§ããªã„ã‹ã¨ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’è€ƒãˆç›´ã™ã€‚ãã†ã„ã†ã“ã¨ã‚’ã¾ãšä¸€é€šã‚Šã‚„ã‚Šå°½ãã™ã“ã¨ã€‚ã®ã“ãŽã‚Šã§ãŽã“ãŽã“ã€‚ ã¨ã¯ã„ãˆã€é€Ÿãã™ã¹ãç®‡æ‰€ãŒã‚ã‹ã‚‰ãªã„ã¨ãªã‚“ã¨ã‚‚è€ƒãˆã‚ˆã†ãŒãªã„ã€‚ã©ã“ã‚’ç£¨ãã¨ã„ã¡ã°ã‚“ãã‚Œã„ã«ãªã‚‹ã®ã‹? ãã“ã§ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ©ã®å‡ºç•ªã«ãªã‚‹
hirose31 2013/12/11
javascript

profiler

node.js
ãƒªãƒ³ã‚¯
NYTProf.pm
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hirose31 2009/08/20
NYTProf HTTP::Engine

profiler
ãƒªãƒ³ã‚¯
Devel::NYTProf
16. % dprofpp Total Elapsed Time = 2.563600 Seconds User+System Time = 0.703600 Seconds Exclusive Times %Time ExclSec CumulS #Calls sec/call Csec/c Name 6.96 0.049 0.067 15 0.0033 0.0045 Prophet::Replica::sqlite::BEGIN 6.82 0.048 0.049 41 0.0012 0.0012 Mouse::Meta::Method::Constructor:: generate_constructor_method_inline 5.40 0.038 0.038 464 0.0001 0.0001 Params::Validate::_validate 4.97 0.035 0.0
hirose31 2009/04/23
Devel::NYTProfï¼Per request Profiling for Jiftyã‚ˆã•ã’ï¼

perl

profiler
ãƒªãƒ³ã‚¯
NYTProf v2 â€“ the background story
This is the back story to the development of NYTProf v2. Earlier this year (2008) I needed to do some performance profiling of the source code of a large application. Like many perl developers, my first instinct was to try using Devel::DProf (actually the Apache::DProf wrapper as it was a mod_perl application). It was not a great experience. DProf DProf seems easily confused by unusual control flo
hirose31 2008/07/16
Devel::DProf

profiler
ãƒªãƒ³ã‚¯
ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ©ã®ã—ãã¿ steps to phantasien t(2007-08-23)
UNIX åå‘æ–‡æ›¸ artu ã®ä¸ã§ "Measure Before Optimizing" ã¨èª¬ã Raymond ã¯, åŒæ™‚ã«ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ©ã®è¨ˆæ¸¬æ©Ÿæ§‹ (instrumentation) ãŒã‚‚ãŸã‚‰ã™ãƒŽã‚¤ã‚ºã«ã¤ã„ã¦æ³¨æ„ã‚’ä¿ƒã—ã¦ã„ã‚‹. ç§ã®ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ©ä¿¡ä»°ã«ä¸å®‰ãŒç¿³ã‚’è½ã¨ã™. gprof ãƒŽã‚¤ã‚ºã¯ã•ã¦ãŠã, ãã‚‚ãã‚‚ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ©ã¯ã©ã‚“ãªä»•çµ„ã¿ã§é€Ÿåº¦ã‚’æ¸¬ã£ã¦ã„ã‚‹ã‚“ã ã‚ã†. gprof ã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ« ã«ã‚ˆã‚‹ã¨, GNU ä¸€æ—ã®ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ©ã¯æ¬¡ã®ã‚ˆã†ã«å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹: ã¾ãš "-pg" ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã¤ãã® gcc ã§ã‚½ãƒ¼ã‚¹ã‚’ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹. ã“ã®æŒ‡ç¤ºã‚’å—ã‘ãŸã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã¯å„é–¢æ•°ã®å†’é ã« "mcount" ã¨ã„ã†åå‰ã®é–¢æ•°å‘¼å‡ºã—ã‚’åŠ ãˆã‚‹. ãƒªãƒ³ã‚¯ã™ã‚‹ C ã®ãƒ©ãƒ³ã‚¿ã‚¤ãƒ ã‚‚å°‚ç”¨ãƒãƒ¼ã‚¸ãƒ§ãƒ³ (gcrt0.o) ã«å·®ã—æ›¿ã‚ã‚‹. ã“ã®ãƒ©ãƒ³ã‚¿ã‚¤ãƒ ã¯è£ã§ profil() é–¢æ•°ã‚’ä½¿ã„ã‚¿ã‚¤ãƒžã‚’ä»•æŽ›ã‘ã‚‹. ãã®ã‚¿ã‚¤ãƒžã¯ç™º
hirose31 2007/08/25
c

profiler
ãƒªãƒ³ã‚¯
1