{"type":"rich","version":"1.0","blog_url":"https://hiboma.hatenadiary.jp/","blog_title":"hiboma\u306e\u65e5\u8a18","image_url":null,"width":"100%","author_url":"https://blog.hatena.ne.jp/hiboma/","published":"2006-05-18 21:28:54","provider_name":"Hatena Blog","height":"190","url":"https://hiboma.hatenadiary.jp/entry/20060518/1148041734","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhiboma.hatenadiary.jp%2Fentry%2F20060518%2F1148041734\" title=\"use Benchmark; - hiboma\u306e\u65e5\u8a18\" 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","categories":["perl"],"description":"\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3057\u305f\u3053\u3068\u304c\u306a\u304b\u3063\u305f\u306e\u3067\u3084\u3063\u3066\u307f\u305f\u3002\u914d\u5217\u8981\u7d20\u3092\u4e00\u500b\u305a\u3064\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3059\u308b\u6642\u3001foreach\u3068map\u3067\u3069\u3063\u3061\u304c\u901f\u3044\u3093\u3060\u308d\u3046\u306a\u30fc\u3063\u3068\u3002 use Benchmark; my @array = 1..10000; timethese(10000 , { 'foreach' => sub { $_++ foreach @array; } , 'map' => sub { map { $_++ } @array;} }); Benchmark: timing 10000 iterations of for, map... foreach: 13 wallclock secs (13.40 usr\u2026","author_name":"hiboma","title":"use Benchmark;"}