{"published":"2008-09-28 15:25:55","version":"1.0","categories":["Perl"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgfx.hatenadiary.org%2Fentry%2F20080928%2F1222669555\" title=\"instanceof\u6f14\u7b97\u5b50(2) - Islands in the byte stream (legacy)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","blog_url":"https://gfx.hatenadiary.org/","author_url":"https://blog.hatena.ne.jp/gfx/","author_name":"gfx","type":"rich","height":"190","provider_name":"Hatena Blog","description":"Perl\u306einstanceof\u6f14\u7b97\u5b50\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306f\u4f55\u304b Cygwin\u3067\u8a66\u3059\u3068ref_eval\u3088\u308ascalar_util\u304c\u9045\u304b\u3063\u305f\u3093\u3067\u3059\u304c\u4e00\u822c\u7684\u306b\u306f\u305d\u3046\u3067\u3082\u306a\u3044\u3088\u3046\u3067\u3059\u3002 Linux/Perl 5.8.5\u3067\u8a66\u3057\u3066\u307f\u308b\u3068\u78ba\u304b\u306bref_eval\u3088\u308ascalar_util\u306e\u307b\u3046\u304c\u65e9\u3044\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002 For Foo=HASH(0x8a1ccec) <- Foo\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9 Rate ref&eval{} scalar_util instance() instanceof ref&eval{} 45948/s -- -17% -58% -66% scalar_util 55137/s 20% \u2026","blog_title":"Islands in the byte stream (legacy)","width":"100%","image_url":null,"url":"https://gfx.hatenadiary.org/entry/20080928/1222669555","title":"instanceof\u6f14\u7b97\u5b50(2)"}