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Jay Kruemcke on LinkedIn: #ibmpower | 13 comments
$halfrack$
halfrack 2019/11/18
Sun Fire!!

unix

sun
ãƒªãƒ³ã‚¯
Google ãŒå…¬é–‹ã—ã¦ã„ã‚‹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã®è§£èª¬ï¼ˆãã®4ï¼‰- Performance tools -
Google ãŒ Google Code ã§ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã¨ã—ã¦å…¬é–‹ã—ã¦ã„ã‚‹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã®è§£èª¬ã‚·ãƒªãƒ¼ã‚º(å‰å›žã®ã‚¨ãƒ³ãƒˆãƒª)ã®ç¬¬ 4 å›žã§ã™ã€‚ä»Šå›žã¯ Performance tools ã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã™ã€‚ã“ã® Performance tools ã¯ã€å®Ÿéš›ã« Google ç¤¾å†…ã§åºƒãä½¿ã‚ã‚Œã¦ãŠã‚Šã€ç‰¹ã«ã€C++ ã§ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã‚’ä½¿ç”¨ã™ã‚‹ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’é–‹ç™ºã™ã‚‹éš›ã«å½¹ç«‹ã¡ã¾ã™ã€‚Linux ç’°å¢ƒã‚’ä¸»ã«å¯¾è±¡ã¨ã—ã¦ã„ã¾ã™ã€‚ Performance tools ã¨ã¯? C ã‚„ C++ ã§ãƒ—ãƒã‚°ãƒ©ãƒ ã®æ›¸ã„ãŸã“ã¨ã®ã‚ã‚‹å¤šãã®äººã¯ã€ã€Œãƒ—ãƒã‚°ãƒ©ãƒ ã‚’é«˜é€ŸåŒ–ã—ãŸã„ã‘ã‚Œã©ã€ã©ã“ãŒä¸€ç•ªã®ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã‹åˆ†ã‹ã‚‰ãªã„ã€ã¨ã‹ã€ã€Œãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ãŒã‚ã‚‹ã‚ˆã†ã ã‘ã‚Œã©ã€ã©ã“ã§ç™ºç”Ÿã—ã¦ã„ã‚‹ã‹åˆ†ã‹ã‚‰ãªã„ã€ã¨ã„ã£ãŸå•é¡Œã§è‹¦ã—ã‚ã‚‰ã‚ŒãŸçµŒé¨“ãŒä¸€åº¦ãã‚‰ã„ã¯ã‚ã‚‹ã¨æ€ã„ã¾ã™ã€‚ã‚‚ã¡ã‚ã‚“ã€ã“ã†ã—ãŸå•é¡Œã®è§£æ±ºç–ã¨ã—ã¦ã€ã‚¢ãƒ‰ãƒ›ãƒƒã‚¯ã«ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ãƒ
$halfrack$
halfrack 2019/02/01
tcmalloc ã‚’å«ã‚€ãƒ„ãƒ¼ãƒ«éƒ¡ã®æ—¥æœ¬èªžè§£èª¬

unix

ãƒ‡ãƒ¼ã‚¿æ§‹é€

algorithm
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TCMalloc : Thread-Caching Malloc
Sanjay Ghemawat, Paul Menage <opensource@google.com> Motivation TCMalloc is faster than the glibc 2.3 malloc (available as a separate library called ptmalloc2) and other mallocs that I have tested. ptmalloc2 takes approximately 300 nanoseconds to execute a malloc/free pair on a 2.8 GHz P4 (for small objects). The TCMalloc implementation takes approximately 50 nanoseconds for the same operation pai
$halfrack$
halfrack 2019/02/01
google è¬¹è£½ã®ç¾ä»£çš„ã§é€Ÿã„ malloc

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c

unix
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ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã¯ã©ã®ã‚·ã‚§ãƒ«ã§æ›¸ãã¨ã‚ˆã„ã®ã‹ - mollifier delta blog
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$halfrack$
halfrack 2017/11/10
ä»•äº‹ãŒ Debian ã§è‡ªå®…ãŒ FreeBSD ã§ã€å¦æ ¡ã§ã¯ Solaris ã§ã—ãŸã“ã‚“ã«ã¡ã¯ï¼ / ã—ã‹ã— #!/bin/bash ã«ã—ãŸä¸Šã§ bash ã‚’æ›¸ãã®ãŒãƒ¢ãƒ€ãƒ³ã§ã„ã„ã¨æ€ã†

Unix
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xv6.md æ›¸ã„ãŸã‚‚ã® xv6ã‚’å¦ã¶ä¸Šã§ã®æº–å‚™ https://gist.github.com/kaishuu0123/5235498#file-xv6_0-md èµ·å‹•å‡¦ç†ã‚’èªã‚€(main.c ã® main() ãŒå‘¼ã°ã‚Œã‚‹ã¾ã§) https://gist.github.com/kaishuu0123/5235498#file-xv6_1-md main() ã‹ã‚‰mpm ain()ãŒå‘¼ã°ã‚Œã‚‹ã¾ã§ https://gist.github.com/kaishuu0123/5235498#file-xv6_2-md xv6_0.md xv6 ã‚’å¦ã¶ä¸Šã§ã®æº–å‚™ xv6 ã£ã¦ä½•? Unix v6 ã‚’ x86 ãƒžãƒ«ãƒãƒ—ãƒã‚»ãƒƒã‚µã‚·ã‚¹ãƒ†ãƒ ã«ç§»æ¤ã—ãŸxv6 è¬›ç¾©è³‡æ–™ã¯ã“ã‚Œ: http://pdos.csail.mit.edu/6.828/2012/xv6.html ãªã‚“ã§xv6ã‚’èªã‚€ã®ã‹ Linux ã‹ã‚‰ã¨ã£
$halfrack$
halfrack 2017/11/07
x86

unix

xv6
ãƒªãƒ³ã‚¯
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$halfrack$
halfrack 2011/12/28
æ¯Žå¹´æ’ä¾‹

unix

c81
ãƒªãƒ³ã‚¯
tools team - PukiWiki
tools teamï¼ˆãƒ„ãƒ¼ãƒ«ãƒãƒ¼ãƒ ï¼‰ã¸ã‚ˆã†ã“ã â€ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã«é–¢é€£ã™ã‚‹æ§˜ã€…ãªãƒ„ãƒ¼ãƒ«ã€OSSã€ã‚µãƒ¼ãƒ“ã‚¹ ã®ç´¹ä»‹ã€ãƒŽã‚¦ãƒã‚¦å…±æœ‰ã€æ—¥æœ¬èªžã§ã®ä½¿ã„æ–¹è§£èª¬ã€ã‚³ãƒ¼ãƒ‰ã‚·ã‚§ã‚¢ã®å ´ ã§ã™ã€‚æ—¥æœ¬ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆé‹å–¶ã‚’ã‚ˆã‚Šå¹¸ã›ã«ã™ã‚‹ãŸã‚ã®ãƒ’ãƒ³ãƒˆãƒãƒ¼ã‚¿ãƒ« ã‚’ç›®æŒ‡ã—ã¦ã„ã¾ã™ã€‚ã“ã®ã‚µã‚¤ãƒˆã®æ›¸ãè¾¼ã¿ã¯ã€åŸºæœ¬çš„ã«ã©ãªãŸã§ã‚‚ã§ã ã¾ã™ãŒåŽŸå‰‡é‹ç”¨ã«å½¹ç«‹ã¤å†…å®¹ã«é™å®šã•ã›ã¦ã„ãŸã ãã¾ã™ã€‚ æ–°ãŸãªãƒ„ãƒ¼ãƒ«ã‚’ç´¹ä»‹ã™ã‚‹æ–¹æ³•ã¯ã“ã¡ã‚‰ã€‚ tools team/toolsã¸ç§»å‹• ä¸Šã®ã€Œæ–°è¦ã€ã‚’ã‚¯ãƒªãƒƒã‚¯ ãƒ†ã‚ã‚¹ãƒˆãƒœãƒƒã‚¯ã‚¹å†…ã«ã€Œ./[ãƒ„ãƒ¼ãƒ«å]ã€ã¨è¨˜è¼‰(ãƒ¡ãƒ¼ãƒªãƒ³ã‚°ãƒªã‚¹ãƒˆã«åŠ å…¥ã™ã‚‹ã¨ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ãŒã‚ã‹ã‚Šã¾ã™ï¼‰ â†‘
$halfrack$
halfrack 2010/01/23
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network

router

unix
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Windowsæ©Ÿã‚’ä»®æƒ³PSãƒ—ãƒªãƒ³ã‚¿ãƒ»ã‚µãƒ¼ãƒã«ã™ã‚‹
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$halfrack$
halfrack 2009/08/05
postscript

printer

unix

UNIXå°åˆ·ã‚µãƒ¼ãƒ“ã‚¹
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