[B! tuning] thorikawaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

thorikawa id:thorikawa

tuningã«é–¢ã™ã‚‹thorikawaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

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Androidä¸Šã«ãŠã‘ã‚‹SQLiteã¨JDBMã®å®Ÿè¡Œæ™‚é–“ã®æ¯”è¼ƒ - minghaiã®æ—¥è¨˜
(2010/02/02 è¿½è¨˜) Android 2.1 Eclairã®ã‚½ãƒ¼ã‚¹ã«JITãŒè¿½åŠ ã•ã‚Œã¾ã—ãŸã€‚ ã¾ã ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ—ã®ãŸã‚å®Ÿæ©Ÿã®DalvikVMã«å…¥ã£ã¦ãŠã‚Šã¾ã›ã‚“ãŒã€è‡ªåˆ†ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹ã“ã¨ã§JITã‚’ã‚ªãƒ³ã«ã§ãã¾ã™ã€‚ id:linuzauã•ã‚“ãŒãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’å–ã£ã¦ãã ã•ã£ã¦ã„ã¾ã™ã€‚ http://d.hatena.ne.jp/linuzau/20100202/1265037678 (2009/05/14 è¿½è¨˜) ã“ã‚“ãªæ—¥è¨˜ã‚’æ›¸ã„ã¦ãŸã‚‰å¶ç„¶ã«ã‚‚ã€æ ªå¼ä¼šç¤¾ã‚¤ãƒ¼ãƒ•ãƒãƒ¼ã®ä¹…ç´(ã²ã•ã®ã†)ã•ã‚“ãŒä¸–ç•Œåˆã®Dalvik VM JITã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã‚’çµ„è¾¼ã¿ã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºæŠ€è¡“å±•ã§å±•ç¤ºã™ã‚‹ã¨ã®ã“ã¨ã§ã™! https://www.exhibitor.jp/SODEC/ja/index.php?ID=PUB è©³ã—ãã¯æ—¥æœ¬Androidã®ä¼šã‚ˆã‚Šã€ä»¥ä¸‹ã®ã”æœ¬äººæ§˜ã‹ã‚‰ã®æŠ•ç¨¿ã‚’ã”æ¬„ä¸‹ã•ã„ã€‚ Google ã‚°ãƒ«ãƒ¼ãƒ— ä»¥ä¸‹ã€ã„
thorikawa 2010/06/13
android

tuning
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SQLiteã‹ã‚ã„ã„ã‚ˆSQLiteï¼ˆâ€»ãŸã ã—limitã«é™ã‚‹ï¼‰ - Android Zaurusã®æ—¥è¨˜
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thorikawa 2010/06/13
android

tuning
ãƒªãƒ³ã‚¯
SQLiteé…ã„ã‚ˆã€æ‚²ã—ã„ã‚ˆã€‚ - Android Zaurusã®æ—¥è¨˜
id:minghaiã•ã‚“ãŒã€ã€Œlikeã§æ‹¾ã†ã¨ãƒœãƒãƒœãƒã€ã¨ãŠã£ã—ã‚ƒã£ãŸã®ã§ã€ã‚„ã£ã¦ã¿ãŸã€‚githubã«ã‚³ãƒ¼ãƒ‰ã¨Zaurusã§å®Ÿè¡Œã—ãŸTraceViewã®ãƒã‚°ã‚’ç½®ã„ãŸã€‚ $ cd /tmp $ git clone git://github.com/androidzaurus/SQLiteTest.git $ cd SQLiteTest $ traceview sqlite-zaurus.trace 6ç§’ã¨ã‹ï½—ï½—ï½—ãªã„ã‚ãƒ¼ã‚ã‚Šãˆãªã„ã‚ãƒ¼ï½—ï½—ï½—ã¡ãªã¿ã«'a%'ã§1600ãƒ¬ã‚³ãƒ¼ãƒ‰ãã‚‰ã„å¼•ã£å¼µã£ã¦ãã¦ã„ã‚‹ã€‚ãŠã¾ã‘ã«é€”ä¸ã§ãƒ¡ãƒ¢ãƒªãŒè¶³ã‚Šãªããªã£ãŸã‚‰ã—ãã€GCã‚‚å‹•ã„ã¦ã„ã‚‹ã€‚ native_fill_window()ãŒå¤§åŠã‚’å–°ã£ã¦ã‚‹ã€‚ã£ã…ã“ã¨ã¯ã€SQLiteãã®ã‚‚ã®ãŒé…ã„ã‚“ï¼Ÿæœ¬å½“ã«ãã‚“ãªã«é…ã„ã‚“ï¼Ÿã¨æ€ã£ã¦ã€ä»Šåº¦ã¯ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã§è©¦ã—ã¦ã¿ãŸã€‚åŒã˜ãZaurusã§ã€‚busyboxã¯ARMç”¨ã«ã‚¹ã‚¿ãƒ†ã‚£ãƒƒã‚¯ãƒªãƒ³ã‚¯ã—
thorikawa 2010/06/13
android

tuning
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Androidé–‹ç™ºã§ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹Tips(2) | Techfirm Android Lab
Androidãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹Tipsã€å‰å›žã®ç¶šãã§ã™ã€‚ Androidé–‹ç™ºã§ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹Tips(1) | Techfirm Android Lab å®šæ•°ã¯ãƒ•ã‚¡ã‚¤ãƒŠãƒ«ã§å®£è¨€ã™ã‚‹ static int intVal = 42; static String strVal = "Hello, world!"; ä¸Šè¨˜ã®ã‚ˆã†ã«finalãªã—ã§å®šæ•°ã‚’å®šç¾©ã—ãŸå ´åˆã€intValã‚’å‚ç…§ã™ã‚‹ã¨ãã«ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰èµ°æŸ»ãŒå®Ÿè¡Œã•ã‚Œã‚‹ãŒã€ static final int intVal = 42; static final String strVal = "Hello, world!"; ã“ã®ã‚ˆã†ã«finalå®£è¨€ã‚’ã™ã‚‹ã¨intValã¯ç›´æŽ¥VMãŒå‚ç…§ã§ãã‚‹ã‚ˆã†ã«ãªã‚‹ãŸã‚ã€é«˜é€Ÿã«ãªã‚‹ã€‚ ãƒ¡ã‚½ãƒƒãƒ‰ã‚„ã‚¯ãƒ©ã‚¹ã«é–¢ã—ã¦ã¯finalå®£è¨€ã‚’ã¤ã‘ã¦ã‚‚ã‚³ãƒ¼ãƒ‰ä¿å®ˆã®é¢ã§ã¯åŠ¹æžœãŒã‚ã‚‹ãŒã€ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹é¢ã§ã®ãƒ¡ãƒªãƒƒãƒˆã¯ãªã„ã€‚ ã¾ãŸã€ãƒãƒ¼
thorikawa 2010/06/13
android

tuning
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Androidé–‹ç™ºã§ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹Tips(1) | Techfirm Android Lab
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thorikawa 2010/06/13
android

tuning
ãƒªãƒ³ã‚¯
Cacheã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã«ã¯SoftReferenceã‚’ | Techfirm Android Lab
Androidã€ã„ã‹ãŒã§ã™ã‹ã€‚ ä»Šæ—¥ã‚‚Out Of Memoryã€å‡ºã—ã¦ã„ã¾ã™ã§ã—ã‚‡ã†ã‹ã€‚ ãã‚“ãªã‚ãªãŸã«æœ—å ±ã§ã™ã€‚ å°‘ã—ã§ã‚‚ãƒ¡ãƒ¢ãƒªã«ã‚„ã•ã—ã„ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ã€‚ ä»Šæ—¥ã¯SoftReferenceã®ãŠè©±ã§ã™ã€‚ ãƒˆãƒ¬ãƒ¼ãƒ‰ã‚ªãƒ• Androidã§ï¼ˆã¨ã„ã†ã‚ˆã‚Šã‚‚Javaã§ï¼‰ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«æœ€ã‚‚å½±éŸ¿ã‚’ä¸Žãˆã‚‹ã®ã¯ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ç”Ÿæˆã®éƒ¨åˆ†ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹ã€‚ ãƒ«ãƒ¼ãƒ—ã®ä¸ã§ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚’ç”Ÿæˆã—ã‚ˆã†ã‚‚ã®ãªã‚‰ã€ãŸã¡ã¾ã¡ã‚ãªãŸã®UIã¯æ©Ÿæ•ã•ã‚’å¤±ã†ã“ã¨ã«ãªã‚‹ã§ã—ã‚‡ã†ã€‚ ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ç”Ÿæˆã¯GCã®æºã§ã™ã€‚ã‚¹ãƒˆãƒƒãƒ—ã‚¶ãƒ¯ãƒ¼ãƒ«ãƒ‰ã‚’å°‘ã—ã§ã‚‚é¿ã‘ã‚‹ãŸã‚ã«ã¯æ¥µåŠ›newãªã©ã¯æŽ§ãˆãªã‘ã‚Œã°ãªã‚Šã¾ã›ã‚“ã€‚ ã¨ãªã‚‹ã¨ã€ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚’ä½œã‚‰ãªã„ã“ã¨ãŒç©¶æ¥µãªã®ã§ã™ãŒã€å…¨ãä½œã‚‰ãªã„ã¨ã„ã†ã‚ã‘ã«ã¯ã„ãã¾ã›ã‚“ã€‚ãªã‚‰ã°ã€ä¸€åº¦ä½œã£ãŸã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã¯å†åˆ©ç”¨ã—ã‚ˆã†ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã‹ã€‚ ãã®æ™‚ã«å½¹ã«ç«‹ã¤ã®ãŒã‚ãƒ£ãƒƒã‚·ãƒ¥ã§ã™ã€‚ä¸€åº¦ä½œã£ãŸã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã¯ã‚ãƒ£ãƒƒã‚·ãƒ¥ã«ä¿æŒã—
thorikawa 2010/06/13
android

tuning
ãƒªãƒ³ã‚¯
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