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sirocco id:sirocco

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ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹æ¯”è¼ƒ Cassandraã€Mongodbã€SQLiteã€H2ã€MySQLã€Postgres - cypher256's blog
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sirocco 2012/10/14
db

performance

DBMS
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Haskellã‚³ãƒ¼ãƒ‰ã®é«˜é€ŸåŒ–
Haskellã§é€Ÿã„ã‚³ãƒ¼ãƒ‰ã‚’æ›¸ããŸã‚ã®ãƒ’ãƒ³ãƒˆã‚’ç„¡ç§©åºã«é›†ç©ã—ãŸã‚‚ã®ã€‚ç’°å¢ƒã¨ã—ã¦ã¯GHCã‚’æƒ³å®šã™ã‚‹ã€‚ç§ã¯é«˜é€ŸåŒ–ã«ã¤ã„ã¦è©³ã—ã„è¨³ã§ã¯ãªã„ãŒã€æ€ã„ä»˜ã„ãŸã“ã¨ã¯ãªã‚“ã§ã‚‚ã‹ã‚“ã§ã‚‚æ›¸ãã‚ˆã†ã«å¿ƒãŒã‘ãŸã®ã§ã€é‹ãŒè‰¯ã‘ã‚Œã°ä½•ã‹å½¹ã«ç«‹ã¤æƒ…å ±ãŒã‚ã‚‹ã‹ã‚‚ã—ã‚Œãªã„ã€‚ ä¸¦åˆ—å‡¦ç†ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«ã¤ã„ã¦ã¯ã“ã®æ–‡ç« ã§ã¯è§¦ã‚Œãªã„ã€‚ã¾ã£ãŸãçµŒé¨“ãŒãªã„ã®ã§ã€‚åŒã˜ç†ç”±ã§ã€æµ®å‹•å°æ•°ç‚¹æ•°ã‚’å¤šç”¨ã—ãŸæ•°å€¤è¨ˆç®—ã‚³ãƒ¼ãƒ‰ã®åŠ¹çŽ‡åŒ–ã¨ã€æ›¸ãæ›ãˆè¦å‰‡ã‚’å¤šç”¨ã™ã‚‹é«˜æ°´æº–ã®æœ€é©åŒ–ã‚‚æ‰±ã‚ãªã„ã€‚ ãŠé¡˜ã„: æ–‡ä¸ã«é–“é•ã„ã‚„åˆ†ã‹ã‚Šã«ãã„éƒ¨åˆ†ãŒã‚ã‚Œã°æŒ‡æ‘˜ã„ãŸã ã‘ã‚‹ã¨æœ‰é›£ã„ã§ã™ã€‚ã¾ãŸã€ä»–ã«è¼‰ã›ãŸæ–¹ãŒè‰¯ã•ãã†ãªæœ€é©åŒ–ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã‚„ã€ãã®ä»–ã®æ”¹å–„ææ¡ˆãŒã‚ã‚Œã°æ•™ãˆã¦ãã ã•ã„ã€‚æŽ²ç¤ºæ¿ã¾ãŸã¯ãƒ¡ãƒ¼ãƒ«ã¾ãŸã¯Twitter(@mkotha)ã¾ã§ãŠé¡˜ã„ã—ã¾ã™ã€‚ ç›®æ¬¡ åŸºæœ¬çš„ãªã“ã¨ é…å»¶è©•ä¾¡ã®è¨ˆç®—é‡è¦‹ç©ã‚‚ã‚Šã®æ–¹æ³•ã¨ã€GHCã®å†…éƒ¨ã«ä¾å˜ã—ãªã„ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯é›†ã€‚å…¥é–€æ›¸ã‚’èªã‚“ã ã‘ã‚Œã©ã‚‚ã€Haske
sirocco 2012/09/19
haskell

performance
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Performance - HaskellWiki
Haskell Performance Resource Constructs: Data Types - Functions Overloading - FFI - Arrays Strings - Integers - I/O Floating point - Concurrency Modules - Monads Techniques: Strictness - Laziness Avoiding space leaks Accumulating parameter Implementation-Specific: GHC - nhc98 - Hugs Yhc - JHC Welcome to the Haskell Performance Resource, the collected wisdom on how to make your Haskell programs go
sirocco 2012/09/19
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haskell

performance
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induceBackwardã‚’é«˜é€ŸåŒ–ã—ã‚ˆã†ã¨ã—ãŸ - www.kotha.netã®è£
Haskell vs F# - Life Goes OnãŒæ°—ã«ãªã£ãŸã®ã§ã‚„ã£ã¦ã¿ãŸã€‚ æ‰‹å…ƒã«F#ã®å®Ÿè¡Œç’°å¢ƒãŒãªã„ã®ã§ã€å…ƒã®ã‚³ãƒ¼ãƒ‰ã‚’2å€é«˜é€ŸåŒ–ã™ã‚‹ã“ã¨ã‚’ç›®æ¨™ã«ã—ã¦ã¿ã‚‹ã€‚ç’°å¢ƒã¯Linux x64, GHC 7.0.4. æœ€åˆã®ã‚³ãƒ¼ãƒ‰ã€‚ import Data.Array.Unboxed data Node = Node { df :: Double, branch :: [(Int, Double)] } induceBackward :: Array Int Node -> UArray Int Double -> UArray Int Double induceBackward nodes values = accumArray (+) 0 (bounds nodes) [(j, p * values ! k * df) | (j, Node df branch) <- assocs no
sirocco 2012/02/06
GHC

performance

haskell
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mingwç‰ˆã®Ruby1.9.1 - mirichiã®æ—¥è¨˜
ã„ã‚„ã¯ã‚„ã€å‚ã‚Šã¾ã—ãŸã€‚ ç´„50%ã®è² è·ã§ç´„1000ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã€Rubyã®ã‚³ãƒ¼ãƒ‰ã ã‘ã§å‹•ãã‚ˆã†ã«ãªã£ã¦ã—ã¾ã£ãŸã€‚ ä½•ã‚’ã—ãŸã‹ã¨è¨€ã†ã¨ã€ã„ã¾ã¾ã§mswin32ç‰ˆã®Ruby1.9.1ã‚’ä½¿ã£ã¦ã„ãŸã®ã‚’ã€mingw32ç‰ˆã«æ›ãˆãŸã ã‘ã€‚ æ£ç¢ºã«ã¯ ruby 1.9.1p376 (2009-12-07 revision 26041) [i386-mswin32] ã‚’ ruby 1.9.1p378 (2010-01-10 revision 26273) [i386-mingw32] ã«ã—ãŸã€‚ åˆ¥ã®è¨€ã„æ–¹ã‚’ã™ã‚‹ã¨ã€ã“ã¡ã‚‰ã‹ã‚‰ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã•ã›ã¦ã„ãŸã ã„ã¦ã„ãŸã‚‚ã®ã‚’ http://www.artonx.org/data/asr/ ã“ã¡ã‚‰ã«ã‹ãˆãŸã€‚ http://rubyforge.org/projects/rubyinstaller/ ã©ã†ãªã£ãŸã®ã‹ã¨ã„ã†ã¨ã€ http://d.hatena.ne.jp/mi
sirocco 2010/10/20
ã„ã¾ã¾ã§mswin32ç‰ˆã®Ruby1.9.1ã‚’ä½¿ã£ã¦ã„ãŸã®ã‚’mingw32ç‰ˆã«æ›ãˆãŸã ã‘ã§3å€æ—©ããªã£ãŸã¨ã„ã†è©±ã€‚

mingw

ruby

performance
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30åˆ†ã§ã§ãã‚‹ï¼Webã‚µã‚¤ãƒˆã‚’é«˜é€ŸåŒ–ã™ã‚‹6å¤§åŽŸå‰‡ (1/4)
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sirocco 2009/09/09
webdesign

tuning

performance
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shibu.jp: ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆè¨ˆç”»
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sirocco 2009/06/27
python

tuning

performance

jit
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Googleã«å¦ã¶ã€ã‚¦ã‚§ãƒ–ãƒšãƒ¼ã‚¸ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’æœ€é©åŒ–ã™ã‚‹æ–¹æ³•
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sirocco 2009/06/07
performance

web
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Webã‚µã‚¤ãƒˆã‚’â€œé€Ÿãâ€è¡¨ç¤ºã•ã›ã‚‹7ã¤ã®è¨ˆæ¸¬ãƒã‚¤ãƒ³ãƒˆï¼ˆ1/2ï¼‰ - ï¼ IT
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sirocco 2009/03/26
firebug

performance

development
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sirocco 2009/01/14
performance

webé–‹ç™º
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sirocco 2009/01/14
server

web

performance
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sirocco 2007/05/19
cpu

kernel

performance

linux
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Ruby Implementations Shootout: Ruby vs Yarv vs JRuby vs Gardens Point Ruby .NET vs Rubinius vs Cardinal | Programming Zen
Ruby Implementations Shootout: Ruby vs Yarv vs JRuby vs Gardens Point Ruby .NET vs Rubinius vs Cardinal Many brilliant developers are working on improving the current implementation of Ruby and on creating alternatives. I was curious about their current respective speeds, so I installed and ran some benchmarks for the most popular implementations. In this article, Iâ€™m sharing the results for the c
sirocco 2007/04/29
ruby

performance
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TheC10kProblem - ã€ŒC10Kå•é¡Œã€ï¼ˆã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ1ä¸‡å°å•é¡Œï¼‰ã¨ã¯ã€ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®æ€§èƒ½ä¸Šã¯å•é¡ŒãŒãªãã¦ã‚‚ã€ã‚ã¾ã‚Šã«ã‚‚ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®æ•°ãŒå¤šããªã‚‹ã¨ã‚µãƒ¼ãƒãŒãƒ‘ãƒ³ã‚¯ã™ã‚‹å•é¡Œã®ã“ã¨
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sirocco 2007/03/05
linux

network

performance
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sirocco 2007/01/18
apache

performance
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PythonSpeed PythonSpeed
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sirocco 2006/09/22
performance

python
ãƒªãƒ³ã‚¯
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sirocco 2006/09/12
apache

performance
ãƒªãƒ³ã‚¯
bayashi.net
{{tag: mclocks, tauri, rust}} mclocks [[https://github.com/bayashi/mclocks mclocks]] ã¯ã€è¤‡æ•°ã‚¿ã‚¤ãƒ ã‚¾ãƒ¼ãƒ³ã®æ—¥æ™‚ã‚’ã‚³ãƒ³ãƒ‘ã‚¯ãƒˆã«è¡¨ç¤ºã™ã‚‹ãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—ã‚¢ãƒ—ãƒªã§ã™ã€‚Tauri ã§ã§ãã¦ã„ã¦ Windows, Mac, Linux ã§ä½¿ãˆã¾ã™ã€‚ ã‚·ãƒ³ãƒ—ãƒ«ãªã‚¿ã‚¤ãƒžãƒ¼æ©Ÿèƒ½ã¨ã‹ Epo... ã¤ã¥ãã‚’èªã‚€
sirocco 2006/09/12
apache

performance
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