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terurou id:terurou

cpuã«é–¢ã™ã‚‹terurouã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (8)

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CPUä½¿ç”¨çŽ‡ã¯é–“é•ã£ã¦ã„ã‚‹ | Yakst
Netflixã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã§ã‚ã‚‹ç†è€…ã‹ã‚‰ã®ã€topã‚³ãƒžãƒ³ãƒ‰ãªã©ã§è¡¨ç¤ºã•ã‚Œã‚‹CPUä½¿ç”¨çŽ‡(%CPU)ã¯ã€ã„ã¾ã‚„æœ¬å½“ã®ä½¿ç”¨çŽ‡ã‚’è¡¨ã—ã¦ãŠã‚‰ãšã€ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ãªã©ã®ãŸã‚ã®æŒ‡æ¨™ã¨ã—ã¦ä½¿ãˆãªã„ã¨ã„ã†æŒ‡æ‘˜ã€‚ãªãœãã†ãªã£ã¦ã—ã¾ã£ãŸã®ã‹ã€ä½•ã‚’è¦‹ã‚Œã°æœ¬å½“ã®CPUä½¿ç”¨çŽ‡ãŒã‚ã‹ã‚‹ã®ã‹ã‚’ã‚ã‹ã‚Šã‚„ã™ãè§£èª¬ã—ãŸè¨˜äº‹ã€‚ ç§ãŸã¡ã¿ã‚“ãªãŒCPUä½¿ç”¨çŽ‡ã¨ã—ã¦ä½¿ã£ã¦ã„ã‚‹æŒ‡æ¨™ã¯éžå¸¸ã«èª¤è§£ã‚’æ‹›ãã‚‚ã®ã§ã€ã“ã®çŠ¶æ³ã¯æ¯Žå¹´æ‚ªåŒ–ã—ã¦ã„ã¾ã™ã€‚CPUä½¿ç”¨çŽ‡ã¨ã¯ä½•ã§ã—ã‚‡ã†ã‹ï¼Ÿãƒ—ãƒã‚»ãƒƒã‚µãƒ¼ãŒã©ã®ãã‚‰ã„å¿™ã—ã„ã‹ï¼Ÿé•ã„ã¾ã™ã€‚CPUä½¿ç”¨çŽ‡ãŒè¡¨ã—ã¦ã„ã‚‹ã®ã¯ãã‚Œã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ç§ãŒè©±ã—ã¦ã„ã‚‹ã®ã¯ã€ã‚ã¡ã“ã¡ã§ã€ã‚ã‚‰ã‚†ã‚‹äººãŸã¡ã«ã€ã‚ã‚‰ã‚†ã‚‹ç›£è¦–è£½å“ã§ã€ã‚ã‚‹ã„ã¯top(1)ã§ã‚‚ä½¿ã‚ã‚Œã¦ã„ã‚‹ã€"%CPU"ã¨ã„ã†æŒ‡æ¨™ã®ã“ã¨ã§ã™ã€‚ ã‚ãªãŸã®è€ƒãˆã¦ã„ã‚‹ã§ã‚ã‚ã†CPUä½¿ç”¨çŽ‡90% : å®Ÿéš› : "stalled"(è¨³æ³¨ : ä»¥ä¸‹ã‚¹ãƒˆãƒ¼ãƒ«ã¨è¨€ã†)ã¨ã¯ã€ãƒ—ãƒã‚»ãƒƒã‚µãƒ¼ãŒ
terurou 2017/06/16
cpu

performance
ãƒªãƒ³ã‚¯
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terurou 2014/09/23
ãƒ¬ã‚¸ã‚¹ãƒˆãƒªå¼„ã‚‹ã¨CPUå‘¨ã‚Šã®ç´°ã‹ã„è¨å®šãŒã§ãã‚‹ã£ã½ã„

windows

TurboBoost

cpu

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terurou 2014/08/27
windows

process

cpu
ãƒªãƒ³ã‚¯
Ubuntu 10.10ã§CPUã‚¯ãƒãƒƒã‚¯ã‚’åˆ¶é™ã™ã‚‹ - Android Zaurusã®æ—¥è¨˜
å¯¾Gingerbreadè£…å‚™*1ã‚’æ‰‹ã«å…¥ã‚ŒãŸãŒã€CPUã‚’ãƒ•ãƒ«ã‚¹ãƒ”ãƒ¼ãƒ‰ã§ãƒ–ãƒ³å›žã™ã¨ã€ç¢ºå®Ÿã«ã‚ªãƒ¼ãƒãƒ¼ãƒ’ãƒ¼ãƒˆã§ãƒãƒ³ã‚°ã‚¢ãƒƒãƒ—ï¼†CMOSã‚’é£›ã°ã—ã¦ã—ã¾ã†ã®ã§ã€CPUã‚¯ãƒãƒƒã‚¯ã‚’åˆ¶é™ã™ã‚‹æ–¹æ³•ã‚’èª¿ã¹ã¦ã„ãŸãŒã€å½“ãŸã‚Šå‰ã™ãŽã‚‹æƒ…å ±ãªã®ã‹ã€ã†ã¾ãè¦‹ã¤ã‘ã‚‰ã‚Œãªã‹ã£ãŸã€‚ã®ã§ã€ã¾ã¨ã‚ã¦ãŠãã“ã¨ã«ã€‚ Ubuntu 10.10ã¯ /etc/init.d/cpufrequtils ãŒGovernorã®åˆæœŸåŒ–ã‚’ã™ã‚‹ã€‚ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’èªã‚€ã¨ã€ /etc/defaults/cpufrequtils ã«è¨å®šã‚’æ›¸ã„ã¦ãŠã‘ã°èªã‚“ã§ãã‚Œãã†ã€‚ãªã®ã§ã€ $ sudo apt-get install cpufrequtils $ cpufreq-info ã§ã€ä½¿ãˆã‚‹CPUã‚¯ãƒãƒƒã‚¯ã‚’ç¢ºèªã—ã¦ã‹ã‚‰ cat << _EOF_ | sudo tee /etc/defaults/cpufrequtils ENABLE="true" GOVERNOR="o
terurou 2010/12/01
ubuntu

cpu

çœé›»åŠ›
ãƒªãƒ³ã‚¯
CPUãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹æ¯”è¼ƒè¡¨-MAXIMUMs ROOM
CPUãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹æ¯”è¼ƒè¡¨ï¼ˆåˆã£ã¦ã„ã‚‹ä¿è¨¼ã¯ãªã—, SandyBridgeã®TBè¨ˆç®—ã‚ãã‚‰ã‚ã¾ã—ãŸâ€¦ï¼‰
terurou 2010/11/03
Atom Z550ã£ã¦Thunderbird Athron 1.4GHzã€AthronXP 1500+ä¸¦ã¿ã®é€Ÿã•ãŒã‚ã£ãŸã®ã‹ãƒ¼ã€‚ååˆ†ã ãªãƒ¼ã€‚

cpu

benchmark
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Perl ã§ 8ãƒ“ãƒƒãƒˆ CPU ã‚’ä½œã‚‹ - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
CPU ã‚’ä½œã‚‹ã€ã¨è¨€ã£ã¦ã‚‚ãƒãƒ¼ãƒ‰ã§ã¯ãªãã‚½ãƒ•ãƒˆã€ä»®æƒ³æ©Ÿæ¢°ã§ã™ã€‚ 2001 å¹´ã‹ã‚‰ UNIX USER ã§é€£è¼‰ã•ã‚Œã¦ã„ãŸè¥¿ç”°äº™ã•ã‚“ã®ã€Œgccãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°å·¥æˆ¿ã€ã€‚ã„ã¾ã•ã‚‰ãªãŒã‚‰ã€ãƒãƒƒã‚¯ãƒŠãƒ³ãƒãƒ¼ã‚’å–ã‚Šå¯„ã›ã¦åˆå›žã‹ã‚‰é †ç•ªã«èªã‚“ã§ã„ã¾ã™ã€‚ã¨ã¦ã‚‚ãŸã‚ã«ãªã‚‹é€£è¼‰ã§ã™ã€‚ ã“ã®é€£è¼‰ä¸ã§ç¬¬10å›žã‹ã‚‰æ•°å›žã«åˆ†ã‘ã¦é–‹ç™ºã•ã‚Œã¦ã„ãŸ octopus ã¨ã„ã† 8 ãƒ“ãƒƒãƒˆ CPU ã®ä»®æƒ³æ©Ÿæ¢°ãŒã‚ã‚Šã¾ã™ã€‚ã‚ªãƒªã‚¸ãƒŠãƒ«ã¯ C è¨€èªžã§æ›¸ã‹ã‚Œã¦ã„ãŸã®ã§ã™ãŒã€ãã®è¨è¨ˆã‚’è¦‹ã¦ã€ã“ã‚Œã¯ä»–ã®è¨€èªžã§ã‚‚ä½œã‚Œã‚‹ã®ã§ã¯ãªã„ã‹ã€ã¨æ€ã„ Perl ã«ç§»æ¤ã—ã¦ã¿ãŸã¨ã“ã‚ãªã‚“ã¨ã‹å‹•ä½œã•ã›ã‚‹ã“ã¨ãŒã§ãã¾ã—ãŸã€‚ä»¥ä¸‹ã® URL ã«ã‚³ãƒ¼ãƒ‰ã‚’å…¬é–‹ã—ã¾ã™ã€‚(è¥¿ç”°ã•ã‚“ã«ç¢ºèªã‚’å–ã£ãŸã¨ã“ã‚ã€ã‚ªãƒªã‚¸ãƒŠãƒ«ã®ã‚½ãƒ¼ã‚¹ã¯ Public Domain ã¨ã®ã“ã¨ã§ã—ãŸã€‚ã‚ªãƒªã‚¸ãƒŠãƒ«ã¯ http://www.skyfree.org/jpn/unixuser/ ã‹ã‚‰ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰å¯èƒ½ã§ã™ã€‚
terurou 2008/01/17
perl

cpu

binary

naoya
ãƒªãƒ³ã‚¯
8ãƒ“ãƒƒãƒˆCPUã®ä»®æƒ³æ©Ÿæ¢°ã€Œoctopusã€ã‚’Rubyã§å®Ÿè£…ã™ã‚‹
Perl ã§ 8ãƒ“ãƒƒãƒˆ CPU ã‚’ä½œã‚‹ - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼ octopusã‚’Rubyã§å®Ÿè£…ã—ã¦ã¿ã¾ã—ãŸã€‚IOé–¢ä¿‚ã€ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã¾ã‚ã‚Šã®å‡¦ç†ã¯çœç•¥ã—ã¦ã„ã¾ã™ã€‚ã§ãã‚‹ã ã‘Rubyã‚‰ã—ã„ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ç›®æŒ‡ã—ã¦ã¿ã¾ã—ãŸã€‚ã‚ã‚“ã¾ã‚Šãƒˆãƒªãƒƒã‚ãƒ¼ãªå®Ÿè£…ã¯ã—ã¦ã„ã¾ã›ã‚“ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«: octopus3.rb #!/usr/bin/env ruby # -*- compile-command: "ruby -Ks octopus3.rb" -*- class OctopusVm REG_PC = 7 REG_RET = 6 REG_SP = 5 ZFLAG = 1 OCT_INST = { 0 => 'nop', 1 => 'mov', 2 => 'in', 3 => 'out', 4 => 'movi', 5 => 'addi', 6 => 'subi', 7 => 'muli', 8 => 'di
terurou 2008/01/17
ruby

binary

cpu

octopus
ãƒªãƒ³ã‚¯
naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼ - sched_setaffinity(2) ã‚’ä½¿ã£ã¦ä»»æ„ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ä»»æ„ã®CPUä¸Šã§å‹•ã‹ã™
Linux 2.6 ã«ã¯ sched_setaffinity(2) ã¨ã„ã†ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ãŒã‚ã‚Šã€ã“ã‚Œã‚’åˆ©ç”¨ã—ã¦ä»»æ„ã®ã‚¹ãƒ¬ãƒƒãƒ‰ã‚’(ãƒžãƒ«ãƒCPUç’°å¢ƒä¸‹ã§)ç‰¹å®šã® CPU ã§å®Ÿè¡Œã•ã›ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚http://www-06.ibm.com/jp/developerworks/linux/051028/j_l-affinity.shtmlã€€ã«ã‚ˆã‚‹ã¨ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ãƒ—ãƒã‚»ã‚¹ã§ãƒžãƒãƒ¼ã‚¸ãƒ£ã¨ãªã‚‹ã‚¹ãƒ¬ãƒƒãƒ‰ã‚’ã“ã®ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã§ç‰¹å®šã® CPU ã«å›ºå®šã™ã‚‹...ã¨ã„ã£ãŸå¿œç”¨ãŒè€ƒãˆã‚‰ã‚Œã‚‹ãã†ã§ã™ã€‚ ã¸ãˆã€ã¨æ€ã£ãŸã®ã§ã¡ã‚‡ã£ã¨éŠã‚“ã§ã¿ã¾ã—ãŸã€‚LD_PRELOAD ã‚’ä½¿ã£ã¦ä»»æ„ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ä»»æ„ã® CPU ã«å›ºå®šã—ã¦å‹•ã‹ã—ã¦ã¿ã¾ã™ã€‚GCC ã® __attribute__)((constructor))( ã§ sched_setaffinitiy(2) ã‚’å‘¼ã³ã¾ã™ã€‚(å‚è€ƒ: http://0xcc.net/blog/
terurou 2007/08/26
linux

kernel

cpu

naoya
ãƒªãƒ³ã‚¯
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