[B! pipeline] yassã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

yass id:yass

pipelineã«é–¢ã™ã‚‹yassã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (12)

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Cpu pipeline basics
5. å…¥åŠ›ã¨å‡ºåŠ› è£…ç½®ã«ã¯å¿…ãšã€Œå…¥åŠ›ã€ã€ã€Œå‡º åŠ›ã€ãŒã‚ã‚Šã€ã€Œå…¥åŠ›ã€ã‹ã‚‰ ã€Œå‡ºåŠ›ã€ãŒå¾—ã‚‰ã‚Œã‚‹ã¾ã§ã« ã€Œæ™‚é–“ã€ãŒå¿…è¦ã¨ãªã‚Šã¾ã™ã€‚ CPUã‚‚ã€Œå‘½ä»¤ã€ã‚’å…¥åŠ›ã¨ ã—ã€ã€Œãƒ‡ãƒ¼ã‚¿ã€ã‚’å‡ºåŠ›ã—ã¾ ã™ã€‚ ãŠé‡‘è£…ç½®ã‚¸ãƒ¥ãƒ¼ã‚¹ CPU å‘½ä»¤ ãƒ‡ãƒ¼ã‚¿ ãƒ‡ãƒ¼ã‚¿ 6. å‡¦ç†æ™‚é–“ å…¥åŠ›ã—ã¦ã‹ã‚‰å‡ºåŠ›ãŒå¾—ã‚‰ã‚Œã‚‹ ã¾ã§ã®æ™‚é–“ã‚’å‡¦ç†æ™‚é–“ã¨å®šç¾© ã—ã¾ã™ã€‚! CPUã®å ´åˆã€ãƒ¡ãƒ¢ãƒªã‹ã‚‰å‘½ ä»¤ã‚’èªã¿å‡ºã—ã€çµæžœã‚’æ›¸ã è¾¼ã‚€ã¾ã§ã®æ™‚é–“ã‚’ã‚¯ãƒãƒƒã‚¯ æ•°ã§è¡¨ç¾ã—ã¾ã™ã€‚! ã“ã‚Œã‚’CPI(Clock Per Instruction)ã¨å‘¼ã³ã¾ã™ã€‚ CPU ãƒ¡ãƒ¢ãƒª t[clocks]
yass 2014/10/12
CPU

pipeline

x86
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Basic techniques to help branch prediction | Future Chips
yass 2014/02/16
branch prediction

pipeline

cpu
ãƒªãƒ³ã‚¯
ã€4Gamer.netã€‘ â€• ã‚²ãƒ¼ãƒžãƒ¼ã«ã¨ã£ã¦ï¼ŒCPUã¨ã¯ä½•ã‹ â€•ç¬¬1å›žï¼šãƒ¡ã‚¤ãƒ‰ã•ã‚“ã§ç†è§£ã™ã‚‹CPUã®æ§‹é€
CPUã¨ã¯Central Processing Unitï¼ˆä¸å¤®æ¼”ç®—å‡¦ç†è£…ç½®ï¼‰ã®ç•¥ã§ï¼Œå„ç¨®è¨ˆç®—ã‚„ãƒ‡ãƒã‚¤ã‚¹ã®åˆ¶å¾¡ã‚’è¡Œã†è£…ç½®ã®ã“ã¨ï¼Œã¨ã„ã†ã®ã¯ï¼Œæœ¬èªŒèªè€…ã®ä¸ã§ã‚‚çŸ¥ã£ã¦ã„ã‚‹äººã¯å¤šã„ã ã‚ã†ã€‚ã‚²ãƒ¼ãƒ ã‚’ãƒ—ãƒ¬ã‚¤ã™ã‚‹ã«å½“ãŸã£ã¦ã¯ï¼Œ"é€Ÿã„"CPUãŒæœ›ã¾ã—ã„ã®ã¯è¨€ã†ã¾ã§ã‚‚ãªã„ã€‚ ã§ã¯ï¼Œã€Œé€Ÿã„CPUã€ã¨ã¯ä½•ã ã‚ã†ã‹ï¼Ÿã€€ã¨ãã«ã€Œã‚²ãƒ¼ãƒ ã§é€Ÿã„CPUã€ã¯ï¼Œã©ã†ã„ã£ãŸCPUãªã®ã ã‚ã†ï¼Ÿ ã“ã‚Œã«ã¤ã„ã¦ï¼Œã¡ã‚‡ã£ã¨ã¾ã˜ã‚ã«è€ƒãˆã¦ã¿ã‚ˆã†ï¼Œã¨ã„ã†ã®ãŒã“ã®ä¼ç”»ã§ã‚ã‚‹ã€‚ç¬¬1å›žã§ã¯ï¼Œã‚²ãƒ¼ãƒ ã«CPUãŒã©ã†é–¢ã‚ã£ã¦ã„ã‚‹ã®ã‹ï¼Œãã—ã¦ï¼Œç¾åœ¨ã®CPUãŒã©ã†ã„ã†æ§‹é€ ã«ãªã£ã¦ã„ã‚‹ã®ã‹ï¼Œã¨ã„ã£ãŸå´é¢ã‹ã‚‰ï¼Œé€Ÿã„CPUã¨ã¯ä½•ã‹ã‚’è€ƒãˆã¦ã„ããŸã„ã€‚ ãã‚‚ãã‚‚CPUã¨ã¯ä½•ãªã®ã‹ã€‚ã“ã‚Œã‚’ã©ã“ã¾ã§æŽ˜ã‚Šä¸‹ã’ã‚‹ã‹ã¯é›£ã—ã„ã¨ã“ã‚ã§ï¼Œä¾‹ãˆã°ãƒãƒ™ãƒƒã‚¸ã®è¨ˆç®—æ©Ÿæ¢°ï¼ˆéšŽå·®æ©Ÿé–¢ï¼‰ã¾ã§ã•ã‹ã®ã¼ã£ãŸã‚‰ï¼Œã•ã™ãŒã«èª°ã‚‚èªã‚€æ°—ã‚’ãªãã™ã ã‚ã†ã—ï¼Œã‚ã‚‹ã„ã¯ã€Œã‚“ã˜ã‚ƒåŽŸç†çš„ã«ã€ã¨ã„ã†ã“ã¨ã§ï¼Œãƒ–ãƒ¼ãƒ«ä»£æ•°
yass 2014/02/11
CPU

pipeline

superscalar
ãƒªãƒ³ã‚¯
Blog: Playing with the CPU pipeline â€“ Lol Engine
Browse by category: rss a11y (4) rss android (2) rss blog (3) rss c (1) rss c++ (5) rss code (15) rss community (1) rss glsl (2) rss iphone (1) rss maths (8) rss optim (13) rss osx (1) rss physics (2) rss rant (7) rss release (4) rss tip (11) rss visualstudio (5) rss windows (4) This article will show how basic knowledge of a modern CPUâ€™s instruction pipeline can help micro-optimise code at very l
yass 2014/02/04
CPU

pipeline

toread
ãƒªãƒ³ã‚¯
ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã‚’éŽæ¿€ã«åŠ é€Ÿã™ã‚‹ã‚¢ãƒ—ãƒªdolipoã®ç¨®æ˜Žã‹ã—ï¼ ï¼ IT
drikin 2008/8/19 PolipoæŠ€è¡“è§£èª¬ dolipoã¯ã€Polipoã¨ã„ã†ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã®ãƒ—ãƒã‚ã‚·ãƒ—ãƒã‚°ãƒ©ãƒ ã«GUIã‚’è¿½åŠ ã—ãŸãƒ—ãƒã‚°ãƒ©ãƒ ã§ã™ã€‚ Polipoã¯ã€ãƒ•ãƒ©ãƒ³ã‚¹äººã®Juliusz Chroboczekæ°ãŒä¸»ä½“ã¨ãªã£ã¦é–‹ç™ºã•ã‚Œã¦ã„ã¾ã™ã€‚ PolipoãŒã©ã®ã‚ˆã†ãªåŽŸç†ã§ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚’åŠ é€Ÿã—ã¦ã„ã‚‹ã®ã‹ã€å°‘ã—æŠ€è¡“çš„ãªè§£èª¬ã‚’ã—ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¨ã„ã£ã¦ã‚‚ã€åƒ•ã‚‚Polipoè‡ªä½“ã®é–‹ç™ºã«ã¯ã‹ã‹ã‚ã£ã¦ã„ã¾ã›ã‚“ã€‚ã‚ãã¾ã§ã‚‚ã€å…¬å¼ãƒšãƒ¼ã‚¸ã‚„dolipoè§£èª¬ã‚µã‚¤ãƒˆãªã©ã®è§£èª¬ã‹ã‚‰ã²ã‚‚ã¨ã„ãŸå†…å®¹ã§ã™ã€‚ ãƒ—ãƒã‚ã‚·ã«ã‚ˆã‚‹ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®é«˜é€ŸåŒ–ã¯ã€PolipoãŒã¯ã˜ã‚ã¦ã¨ã„ã†ã‚ã‘ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ãã‚‚ãã‚‚ã€å¤šãã®ãƒ—ãƒã‚ã‚·ãƒ—ãƒã‚°ãƒ©ãƒ ã«ã¯ã€ãƒ‡ãƒ¼ã‚¿ã‚’ã‚ãƒ£ãƒƒã‚·ãƒ¥ã—ã¦ãƒ‡ãƒ¼ã‚¿ã®è»¢é€ã‚’åŠ¹çŽ‡åŒ–ã—ã¦é«˜é€ŸåŒ–ã™ã‚‹æ©Ÿèƒ½ãŒå‚™ã‚ã£ã¦ã„ã¾ã™ã€‚ PolipoãŒèˆˆå‘³æ·±ã„ã®ã¯å˜ãªã‚‹ãƒ‡ãƒ¼ã‚¿ã‚ãƒ£ãƒƒã‚·ãƒ¥ã ã‘ã§ãªãã€ã•ã‚‰ã«ç©æ¥µçš„ã«ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯
yass 2013/06/04
http

pipeline

proxy
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Difference between HTTP pipeling and HTTP multiplexing with SPDY
yass 2013/06/04
http

pipeline

spdy

mutiplexing
ãƒªãƒ³ã‚¯
A Journey Through the CPU Pipeline
It is good for programmers to understand what goes on inside a processor. The CPU is at the heart of our career. What goes on inside the CPU? How long does it take for one instruction to run? What does it mean when a new CPU has a 12-stage pipeline, or 18-stage pipeline, or even a "deep" 31-stage pipeline? Programs generally treat the CPU as a black box. Instructions go into the box in order, inst
yass 2013/05/19
cpu

pipeline

toread
ãƒªãƒ³ã‚¯
Optimizing HTTP: Keep-alive and Pipelining - igvita.com
By Ilya Grigorik on October 04, 2011 The last major update to the HTTP spec dates back to 1999, at which time RFC 2616 standardized HTTP 1.1 and introduced the much needed keep-alive and pipelining support. Whereas HTTP 1.0 required strict "single request per connection" model, HTTP 1.1 reversed this behavior: by default, an HTTP 1.1 client and server keep the connection open, unless the client in
yass 2012/12/30
ruby

http

client

pipeline

keepalive
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brunodecarvalho/hotpotato Â· GitHub
yass 2012/12/30
java

http

client

pipeline

netty

async
ãƒªãƒ³ã‚¯
Fast and slow if-statements: branch prediction in modern processors
Did you know that the performance of an if-statement depends on whether its condition has a predictable pattern? If the condition is always true or always false, the branch prediction logic in the processor will pick up the pattern. On the other hand, if the pattern is unpredictable, the if-statement will be much more expensive. In this article, Iâ€™ll explain why todayâ€™s processors behave this way.
yass 2012/12/08
cpu

hardware

performance

branch prediction

pipeline
ãƒªãƒ³ã‚¯
Cpuã®é€Ÿåº¦å‘ä¸Šã¯ã„ã‹ã«å®Ÿç¾ã•ã‚ŒãŸã®ã‹
2. About Me Name: Joongjin Bae Blog: http://baepiff.blogspot.com/ Twitter: bae_j
yass 2012/12/03
cpu

pipeline

cache

latency

throughput

superscalar
ãƒªãƒ³ã‚¯
CPUã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã‚’ãƒˆã‚¤ãƒ¬ã«ä¾‹ãˆã‚‹ã¨ | Hinemosu
ãŠã‚‚ã‚ã„ã€‚ãŸã¨ãˆæ–¹ãŒã†ã¾ã„ãªãã€‚ æ¶ˆãˆæ°—å‘³ãªã®ã§ã‚³ãƒ”ãƒšã€‚ 155 ï¼šãƒ»è‰¯ãåˆ†ã‹ã‚‹ãƒ‘ã‚¤ãƒ—ãƒ©ã‚¤ãƒ³ ï¼š04/04/26 17:20 ID:B6tZVOSS ã€ŒãŠã—ã£ã“ã‚’ã—ã¦æ‰‹ã‚’ã‚ã‚‰ã£ã¦ã§ã¦ãã‚‹ã€ã€‚ ãƒˆã‚¤ãƒ¬ãŒä¸€å®¤ã—ã‹ãªã„ã¨æ··é›‘æ™‚ã¯é•·è›‡ã®åˆ—ãŒã§ãã¾ã™ã€‚ 1.ãŠã—ã£ã“ã‚’ã™ã‚‹ 2.æ‰‹ã‚’æ´—ã†ã€‚ äºŒæ®µã®ãƒ‘ã‚¤ãƒ—ã«ã™ã‚‹ã¨ã€æ‰‹ã‚’æ´—ã£ã¦ã‚‹é–“ã«åˆ¥ã®äººãŒç”¨ã‚’è¶³ã›ã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ ãƒˆã‚¤ãƒ¬ä¸€å®¤ã§äºŒäººãŒæ°—æŒã¡ã‚ˆããªã‚Œã¦ã€åŠ¹çŽ‡ãŒå€ã«ãªã‚Šã¾ã™ã€‚ ã‚‚ã†ã™ã“ã—æ·±ãã—ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ 1.ã‚¸ãƒƒãƒ‘ãƒ¼ã‚’ä¸‹ã’ã‚‹ 2.ã¡ã‚“ã¡ã‚“ã¨ã‚Šã ã™ 3.æ”¾å°¿ã™ã‚‹ 4.ã—ãšãã‚’åˆ‡ã£ã¦ã¡ã‚“ã¡ã‚“ã—ã¾ã†ã€‚ 5.ã‚¸ãƒƒãƒ‘ãƒ¼ã‚’ã‚ã’ã‚‹ 6.æ‰‹ã‚’æ´—ã† 7.ç´™ã‚’ä½¿ã£ã¦æ‰‹ã‚’ãµã 7ã‚¹ãƒ†ãƒ¼ã‚¸ã«åˆ†è§£ã™ã‚‹ã¨ã€ãªã‚“ã¨ 7äººãŒåŒæ™‚ã«å‡¦ç†ã§ãã¾ã™ã€‚ ã“ã‚ŒãŒãƒ‘ã‚¤ãƒ—ãƒ©ã‚¤ãƒ³ã§ã™ã€‚ 156 ï¼šãƒ»è‰¯ãåˆ†ã‹ã‚‹ã‚¹ãƒ¼ãƒ‘ã‚¹ã‚±ãƒ¼ãƒ© ï¼š04/04/26 17:21 ID:B6tZVOSS ãƒˆã‚¤ãƒ¬ã®åˆ©ç”¨ã¯ãŠã—ã£ã“
yass 2012/10/05
cpu

pipeline

superscalar
ãƒªãƒ³ã‚¯
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