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How a matchmaking algorithm saved lives
Long before dating sites, a pair of economists delved into the question of matchmaking, and hit upon a formula with applications far beyond romance. Economics is often associated with the idea of money. But the field extends beyond what can be (or should be) monetized. In the 1960s, researchers David Gale and Lloyd Shapley embarked upon research to take up an unlikely subject: matchmaking. Funded
yyamano 2016/02/25
Algorithms
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Google Developers: ãƒ‡ãƒ¼ã‚¿åœ§ç¸®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã®åŸºç¤Ž - ãƒ¯ã‚¶ãƒŽãƒ | wazanova
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yyamano 2014/05/27
Algorithms
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yyamano 2014/05/27
Algorithms
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Tumblr: HAProxyã®ãƒãƒƒã‚·ãƒ¥ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ - ãƒ¯ã‚¶ãƒŽãƒ | wazanova
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yyamano 2013/12/03
Algorithms
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yyamano 2013/11/28
Algorithms
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First improvement of fundamental algorithm in 10 years
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yyamano 2013/05/23
Algorithms
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diffã®å‹•ä½œåŽŸç†ã‚’çŸ¥ã‚‹ï½žã©ã®ã‚ˆã†ã«ã—ã¦å·®åˆ†ã‚’å°Žãå‡ºã™ã®ã‹ | gihyo.jp
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yyamano 2013/01/08
Unix

Algorithms
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yyamano 2012/12/17
Algorithms
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Walks in the neigborhood: Rsync - how it works
yyamano 2012/02/05
By combining weak and strong hash functions, with the weak versions very fast to compute, the algorithm can find most differences very quickly, using the strong hashing to verify when it has found a match.

Algorithms
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Lock-free ã‚¹ãƒŠãƒƒãƒ—ã‚·ãƒ§ãƒƒãƒˆã®æ’®ã‚Šæ–¹ã‚’èª¬æ˜Žã—ã¦ã¿ã‚‹ - ãã¾ãƒ¡ãƒ¢
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yyamano 2012/01/04
Algorithms
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https://jp.techcrunch.com/2011/12/07/20111206cmu-researchers-one-up-google-image-search-and-photosynth-with-visual-similarity-engine/
yyamano 2011/12/08
Algorithms
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http://research.swtch.com/2008/03/using-uninitialized-memory-for-fun-and.html
yyamano 2011/11/22
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Algorithms
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GNU grepã®å…ƒç¥–ä½œè€…ãŒFreeBSDãƒãƒƒã‚«ãƒ¼ã‚’schoolã—ã¦ã„ã‚‹ã€‚ http://lists.freebsd.org/pipermail/freebsd-current/2010-August/019310.html FreeBSDå¯¾GNU grepã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’è°è«–ã—ã¦ã„ã‚‹ã¨æ€ã‚ã‚Œã‚‹ã¨ã“ã¨ã«ã€Œä¿ºã¯grepã®åˆä»£ä½œè€…ã ã€ã¨åä¹—ã£ã¦ç¾ã‚ã‚ŒãŸç”·ãŒã„ã‚‹ã€‚ å±¥æ´æ›¸(http://duckytech.com/resume.pdf)ã‚’è¦‹ã‚‹ã¨ã€GNU coreutilsã«è²¢çŒ®ã—ãŸå¾Œã€ã‚¤ãƒ³ãƒ†ãƒ«ã‚„AMDã§CPUã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒˆã‚’å‹¤ã‚ã¦ã„ã‚‹ç”·ã ã€‚ã“ã‚Œã¯è©±ã‚’èžã„ãŸæ–¹ãŒã‚ˆã•ãã†ã ã€‚ FreeBSDãƒ¦ãƒ¼ã‚¶ã§ã‚‚ã‚ã‚‹å½¼ã¯ãƒªã‚¹ãƒˆã‚’è¦³é–²ã—ã¦ã„ãŸã‚‰ãŸã¾ãŸã¾GNUå¯¾BSDã®grepè«–äº‰ã«å½“ã£ã¦ã—ã¾ã£ãŸã‚ˆã†ã ã€‚BSDã®ãƒªã‚¹ãƒˆã«GNU grepã®ç§˜å¯†ã‚’è§£ãã€‚ æŠ€1ï¼š å…¨ã¦ã®å…¥åŠ›ãƒã‚¤ãƒˆã‚’è¦‹ãªã„ã‹ã‚‰é€Ÿã„ æŠ€2ï¼š è¦‹ã‚‹ãƒã‚¤ãƒˆã«é–¢
yyamano 2010/11/20
"Boyer-Mooreã£ã¦è¨€ãˆã°æ•™ç§‘æ›¸ã«ã¯å‡ºã¦ã„ã‚‹ãŒå®Ÿç”¨ä¾‹ã¯ã‚ã¾ã‚Šè¦‹ãªã„" ãã†ãªã®ã‹ãª? 20å¹´å‰ãã‚‰ã„ã«ã¯åƒ•ã¯ä½¿ã„ã¾ãã£ã¦ãŸã‘ã©ã€‚

Algorithms
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Google Research Publication: Paxos Made Live â€“ An Engineering Perspective
Paxos Made Live &ndash An Engineering Perspective Tushar Chandra, Robert Griesemer, and Joshua Redstone Abstract We describe our experience building a fault-tolerant data-base using the Paxos consensus algorithm. Despite the existing literature in the field, building such a database proved to be non-trivial. We describe selected algorithmic and engineering probl ems encountered, and the solutions
yyamano 2008/07/29
Google

Large Scale Systems

Algorithms
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