高速ãªå®‰å®šã‚½ãƒ¼ãƒˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ "TimSort" ã®è§£èª¬ - Preferred Networks Research & Development先日ã€TimSortã¨ã„ã†ã‚½ãƒ¼ãƒˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ãŒè©±é¡Œã«ãªã‚Šã¾ã—ãŸã€‚TimSortã¯ã€é«˜é€Ÿãªå®‰å®šã‚½ãƒ¼ãƒˆã§ã€Python(>=2.3)ã‚„Java SE 7ã€ãŠã‚ˆã³Androidã§ã®æ¨™æº–ソートアルゴリズムã¨ã—ã¦æŽ¡ç”¨ã•ã‚Œã¦ã„ã‚‹ãã†ã§ã™ã€‚ C++ã®std::sort()よりも高速ã§ã‚ã‚‹ã¨ã„ã†ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯çµæžœ1ãŒè©±é¡Œã«ãªã‚Š(後ã«ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã®èª¤ã‚Šã¨åˆ¤æ˜Ž)ã€ç§ã‚‚ãã‚Œã§å˜åœ¨ã‚’知りã¾ã—ãŸã€‚実際ã®ã¨ã“ã‚ã€ãƒ©ãƒ³ãƒ€ãƒ ãªãƒ‡ãƒ¼ã‚¿ã«å¯¾ã—ã¦ã¯ã‚¯ã‚¤ãƒƒã‚¯ã‚½ãƒ¼ãƒˆ(IntroSort)ã»ã©é€Ÿããªã„よã†ã§ã™ãŒã€ã‚½ãƒ¼ãƒˆã¨ã„ã†ã‚·ãƒ³ãƒ—ルãªã‚¿ã‚¹ã‚¯ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ãŒä»Šã‚‚ãªãŠæ”¹è‰¯ã•ã‚Œç¶šã‘ã¦ã„ã¦ã€ãªãŠã‹ã¤äººã€…ã®é–¢å¿ƒã‚’引ãã¨ã„ã†ã®ã¯èˆˆå‘³æ·±ã„ã‚‚ã®ã§ã™ã€‚ ã—ã‹ã—ãªãŒã‚‰ã€ã‚ªãƒªã‚¸ãƒŠãƒ«ã®TimSortã®ã‚³ãƒ¼ãƒ‰ã¯è‹¥å¹²è¤‡é›‘ã§ã€å®Ÿéš›ã®ã¨ã“ã‚ã©ã†ã„ã†ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ãªã®ã‹ã‚ã‹ã‚Šã¥ã‚‰ã„ã¨ã“ã‚ãŒã‚ã‚‹ã¨æ€ã„ã¾ã™ã€‚ãã“ã§ä»Šå›žã¯TimSortã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’ã§ãã‚‹ã ã‘ã‚ã‹ã‚Šã‚„ã™ã解
quick sortよりも高速ã§merge sortã®ã‚ˆã†ã«å®‰å®šã—ã¦ã„るソートアルゴリズムtim sort [勘é•ã„] - Islands in the byte stream![quick sortよりも高速ã§merge sortã®ã‚ˆã†ã«å®‰å®šã—ã¦ã„るソートアルゴリズムtim sort [勘é•ã„] - Islands in the byte stream](https://cdn-ak-scissors.b.st-hatena.com/image/square/f9103c273a45047a455a47c2322a4ec545cd77ee/height=288;version=1;width=512/https%3A%2F%2Fogimage.blog.st-hatena.com%2F17680117127143682567%2F17680117127143702106%2F1558185862)
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