[B! thread] nobu666ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

nobu666 id:nobu666

threadã«é–¢ã™ã‚‹nobu666ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

Linusï¼ˆã¨ç†è€…ï¼‰ã‚’å˜†ã‹ã›ãŸanon_vmaé¨’ãŽï¼ˆ1/2ï¼‰ ï¼ ï¼ IT
4æœˆç‰ˆã€€Linusï¼ˆã¨ç†è€…ï¼‰ã‚’å˜†ã‹ã›ãŸanon_vmaé¨’ãŽ å°å´Žè³‡åºƒ 2010/5/18 ã“ã‚“ã«ã¡ã¯ã€‚æœ¬æ–‡ã§ç´¹ä»‹ã™ã‚‹anon_vmaé¨’ãŽã«å·»ãè¾¼ã¾ã‚Œã¾ãã£ã¦ã€ã‚´ãƒ¼ãƒ«ãƒ‡ãƒ³ã‚¦ã‚¤ãƒ¼ã‚¯ãŒä¸¸ã”ã¨ã¤ã¶ã‚Œã¦ã—ã¾ã£ã¦ã‚·ãƒ§ãƒ³ãƒœãƒªãªç†è€…ã§ã™ã€‚ã„ã£ãŸã„LKMLã§ã©ã‚“ãªã“ã¨ãŒã‚ã£ãŸã®ã§ã—ã‚‡ã†ã‹ã€‚ãã‚Œã§ã¯ã©ã†ãžã€‚ ã‚¢ãƒ€ãƒ—ãƒ†ã‚£ãƒ–Mutexã®æœ€é©è§£ã¯ï¼Ÿ Darren Hartã¯ã€ŒRFC: Ideal Adaptive Spinning Conditionsã€ã¨é¡Œã—ãŸèˆˆå‘³æ·±ã„æŠ•ç¨¿ã‚’ãƒã‚¹ãƒˆã—ã¾ã—ãŸã€‚ã“ã®ææ¡ˆã¯FUTEX_LOCKãŠã‚ˆã³FUTEX_LOCK_ADAPTIVEã¨ã„ã†æ–°ã—ã„futexæ“ä½œã‚’å°Žå…¥ã™ã‚‹ã“ã¨ã«ã‚ˆã‚Šã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ãƒ©ãƒ³ãƒ‰ã‚¹ãƒ”ãƒ³ãƒãƒƒã‚¯å•é¡Œã‚’è§£æ±ºã™ã‚‹ã“ã¨ã‚’ç›®æŒ‡ã—ã¦ã„ã¾ã™ã€‚ ãƒ¦ãƒ¼ã‚¶ãƒ¼ãƒ©ãƒ³ãƒ‰ã‚¹ãƒ”ãƒ³ãƒãƒƒã‚¯å•é¡Œã¨ã¯ã€æ˜¨å¹´ã®kernel summitä»¥é™ã€ç››ã‚“ã«è°è«–ã•ã‚Œã‚‹ã‚ˆã†ã«ãªã£ãŸãƒˆãƒ”ãƒƒã‚¯ã§ã™ã€‚ç¾åœ¨ã€PostgreSQLãª
nobu666 2010/05/19
linux

kernel

thread

lock
ãƒªãƒ³ã‚¯
502 Bad Gateway
502 Bad Gateway nginx
nobu666 2010/03/31
memcached

thread
ãƒªãƒ³ã‚¯
Firefoxã®setTimeoutã®å®Ÿè£… - bits and bytes
Firefoxã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’è¿½ã£ã¦ã„ã‚‹ã†ã¡ã«ã€ãŸã¾ãŸã¾1å¹´é…ã‚Œã§ ITæˆ¦è¨˜ - JavaScript ã‚’å¦ã¶éš›ã«ä¸€ç•ªé‡è¦ãªã®ã«ã€èª¤è§£ã•ã‚ŒãŒã¡ãª setTimeout ç³»ã®æ¦‚å¿µ ã®è£å´ãŒã©ã†ãªã£ã¦ã„ã‚‹ã‹ãŒã‚ã‹ã£ãŸã®ã§ã€ãã®è©±ã‚’ã€‚ ã‚¿ã‚¤ãƒžãƒ¼ã®ç®¡ç†æ–¹æ³• ãã‚‚ãã‚‚javascriptã‹ã‚‰setTimeoutã‚’å‘¼ã¶ã¨ã€ã©ã†ã„ã†ä»•çµ„ã¿ã§æŒ‡å®šã—ãŸæ™‚é–“å¾Œã«æ¸¡ã—ãŸé–¢æ•°ãŒå‘¼ã³å‡ºã•ã‚Œã‚‹ã‚ˆã†ã«ãªã£ã¦ã„ã‚‹ã®ã§ã—ã‚‡ã†ã€‚Linuxã§ã‚ã‚Œã°sleepã®ã‚ˆã†ã«ä¸€å®šæ™‚é–“å¾Œã«awakeã™ã‚‹ã¨ã„ã†å‡¦ç†ã¯ã€ã‚¿ã‚¤ãƒžãƒ¼ãƒªã‚¹ãƒˆã«ã‚ˆã£ã¦ç®¡ç†ã•ã‚Œã¦ã„ã¾ã™ã€‚ã‚«ãƒ¼ãƒãƒ«ã®ä¸ã«N jiffies(Linuxã®OSå†…æ™‚é–“ã®å˜ä½ã¯jiffyã¨å‘¼ã¶ãã†ã§ã™)çµŒéŽå¾Œã«å®Ÿè¡Œã™ã‚‹ã“ã¨ãƒªã‚¹ãƒˆãŒã‚ã£ã¦ã€ã‚«ãƒ¼ãƒãƒ«ãŒ4msã”ã¨ã«æ¯Žå›žã‚¿ã‚¤ãƒžãƒ¼ãƒªã‚¹ãƒˆã‚’ãƒã‚§ãƒƒã‚¯ã—ã¦ã‚„ã‚‹ã“ã¨ãŒã‚ã£ãŸã¨ãã«ã¯ãã‚Œã‚’å®Ÿè¡Œã—ã¦ã„ã¾ã™ã€‚ Firefoxã‚‚Linuxã¨åŒã˜ã‚ˆã†ã«ã‚¿ã‚¤ãƒžãƒ¼ãƒªã‚¹ãƒˆã¿ãŸã„ãª
nobu666 2010/02/23
javascript

thread
ãƒªãƒ³ã‚¯
ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã®ã‚³ãƒ³ãƒ†ã‚ã‚¹ãƒˆåˆ‡ã‚Šæ›¿ãˆã«ä¼´ã†ã‚³ã‚¹ãƒˆ - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
ã¾ãŸ Linux ã‚«ãƒ¼ãƒãƒ«ã®è©±ã§ã™ã€‚ Linux ã§ã¯ fork ã«ã‚ˆã‚‹ãƒžãƒ«ãƒãƒ—ãƒã‚»ã‚¹ã¨ã€pthread ã«ã‚ˆã‚‹ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã§ã®ä¸¦è¡Œå‡¦ç†ã‚’æ¯”è¼ƒã—ãŸå ´åˆã€å¾Œè€…ã®æ–¹ãŒã‚³ã‚¹ãƒˆãŒä½Žãé«˜é€Ÿã¨è¨€ã‚ã‚Œã¾ã™ã€‚ã€Œã‚¹ãƒ¬ãƒƒãƒ‰ã¯ãƒ¡ãƒ¢ãƒªç©ºé–“ã‚’å…±æœ‰ã™ã‚‹ã®ã§ã€ãƒžãƒ«ãƒãƒ—ãƒã‚»ã‚¹ã¨ã¯ç•°ãªã‚Šã‚³ãƒ³ãƒ†ã‚ã‚¹ãƒˆã‚¹ã‚¤ãƒƒãƒæ™‚ã«ãƒ¡ãƒ¢ãƒªç©ºé–“ã®åˆ‡ã‚Šæ›¿ãˆã‚’çœç•¥ã§ãã‚‹ã€‚åˆ‡ã‚Šæ›¿ãˆã«ä¼´ã†ã‚ªãƒ¼ãƒãƒ¼ãƒ˜ãƒƒãƒ‰ãŒå°‘ãªã„ã€‚ã€ã¨ã„ã†ã®ãŒ FAQ ã®ç”ãˆã‹ã¨æ€ã„ã¾ã™ã€‚ ãŒã€Œã‚ªãƒ¼ãƒãƒ¼ãƒ˜ãƒƒãƒ‰ãŒå°‘ãªã„ã€ã¨ä¸€è¨€ã«ã„ã‚ã‚Œã¦ã‚‚å…·ä½“çš„ã«ã©ã†ã„ã†ã“ã¨ãªã®ã‹ãŒã‚¤ãƒ¡ãƒ¼ã‚¸ã§ãã¾ã›ã‚“ã€‚ãã“ã§ Linux ã®ã‚¹ãƒ¬ãƒƒãƒ‰å‘¨ã‚Šã®å®Ÿè£…ã‚’è¦‹ã¦è¦‹ã‚ˆã†ã˜ã‚ƒãªã„ã‹ã€ã¨ã„ã†ã®ãŒä»Šå›žã®ãƒ†ãƒ¼ãƒžã§ã™ã€‚ 3åˆ†ã§ã‚ã‹ã‚‹(?) ãƒžãƒ«ãƒãƒ—ãƒã‚»ã‚¹ã¨ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ ã¾ãšã¯ã†ã‚“ã¡ãã€‚ãƒžãƒ«ãƒãƒ—ãƒã‚»ã‚¹ã¨ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã®é•ã„ã®å›³ã€‚ä»¥å‰ã«ç¤¾å†…ã§å‹‰å¼·ä¼šã‚’ã—ãŸã¨ãã«ä½œã£ãŸè³‡æ–™ã«ã¡ã‚‡ã†ã©è‰¯ã„ã®ãŒã‚ã£ãŸã®ã§æŽ²è¼‰ã—ã¾ã™ã€‚Pthreadsãƒ—ãƒã‚°ãƒ©ãƒŸ
nobu666 2009/10/04
linux

kernel

thread
ãƒªãƒ³ã‚¯
è»½é‡ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ–ãƒ¼ãƒ ã ã¨æ€ã†ã®ã§ã€ãã“ã‚‰ã¸ã‚“ã®æƒ…å ±ã‚’ã¾ã¨ã‚ã¦ã¿ã‚‹ - é‡‘åˆ©0ç„¡åˆ©æ¯ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚° â€“ ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ã§ãã¾ã™ - subtech
ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã®çµ‚äº†æ—¥ã‚’2020å¹´1æœˆ31æ—¥(é‡‘)ã«æ±ºå®šã—ã¾ã—ãŸ ä»¥ä¸‹ã®ã‚¨ãƒ³ãƒˆãƒªã®é€šã‚Šã€ä»Šå¹´æœ«ã‚’ç›®å‡¦ã«ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã‚’çµ‚äº†äºˆå®šã§ã‚ã‚‹æ—¨ã‚’ãŠçŸ¥ã‚‰ã›ã—ã¦ãŠã‚Šã¾ã—ãŸã€‚ 2019å¹´æœ«ã‚’ç›®å‡¦ã«ã€ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã®æä¾›ã‚’çµ‚äº†ã™ã‚‹äºˆå®šã§ã™ - ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—æ—¥è¨˜ ã“ã®ãŸã³ã€æ£å¼ã«çµ‚äº†æ—¥ã‚’æ±ºå®šã„ãŸã—ã¾ã—ãŸã®ã§ã€ä»¥ä¸‹ã®é€šã‚Šã”ç¢ºèªãã ã•ã„ã€‚ çµ‚äº†æ—¥: 2020å¹´1æœˆ31æ—¥(é‡‘) ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆå¸Œæœ›ç”³è«‹æœŸé™:2020å¹´1æœˆ31æ—¥(é‡‘) çµ‚äº†æ—¥ä»¥é™ã¯ã€ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã®é–²è¦§ãŠã‚ˆã³æŠ•ç¨¿ã¯è¡Œãˆã¾ã›ã‚“ã€‚æ—¥è¨˜ã®ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆãŒå¿…è¦ãªæ–¹ã¯ä»¥ä¸‹ã®è¨˜äº‹ã«ã—ãŸãŒã£ã¦æ‰‹ç¶šãã‚’ã—ã¦ãã ã•ã„ã€‚ ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã«æŠ•ç¨¿ã•ã‚ŒãŸæ—¥è¨˜ãƒ‡ãƒ¼ã‚¿ã®ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆã«ã¤ã„ã¦ - ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—æ—¥è¨˜ ã”åˆ©ç”¨ã®ã¿ãªã•ã¾ã«ã¯ã”è¿·æƒ‘ã‚’ãŠã‹ã‘ã„ãŸã—ã¾ã™ãŒã€ã©ã†ãžã‚ˆã‚ã—ããŠé¡˜ã„ã„ãŸã—ã¾ã™ã€‚ 2020-06-25 è¿½è¨˜ ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—æ—¥è¨˜ã®ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆãƒ‡ãƒ¼ã‚¿ã¯2020å¹´2æœˆ28
nobu666 2009/10/04
programming

thread

scalability
ãƒªãƒ³ã‚¯
1