{"image_url":null,"version":"1.0","categories":["Java"],"published":"2016-06-16 01:04:47","author_url":"https://blog.hatena.ne.jp/Ehren/","type":"rich","author_name":"Ehren","blog_url":"https://masahito.hatenablog.com/","provider_url":"https://hatena.blog","title":"Eclipse Collection\u30ac\u30f3\u30ac\u30f3\u4f7f\u304a\u3046","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmasahito.hatenablog.com%2Fentry%2F2016%2F06%2F16%2F010447\" title=\"Eclipse Collection\u30ac\u30f3\u30ac\u30f3\u4f7f\u304a\u3046 - Keep on moving\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://masahito.hatenablog.com/entry/2016/06/16/010447","width":"100%","height":"190","blog_title":"Keep on moving","description":"\u3046\u307e\u304f\u307e\u3068\u307e\u3089\u306a\u3044\u3051\u3069\u3001\u3064\u3089\u3064\u3089\u66f8\u3044\u3066\u307f\u3088\u3046\u3068\u601d\u3046\u3002vaskir's blog: Hash maps: Rust, F#, D, Go, Scala\u8aad\u3093\u3067\u3066Scala\u306e\u6570\u5024\u304c\u3042\u3093\u307e\u308a\u826f\u304f\u306a\u3044\u539f\u56e0\u304c\u30b3\u30e1\u30f3\u30c8\u6b04\u3067\u66f8\u304b\u308c\u3066\u305f Scala/JVM's boxing and unboxing is very slow in such a tight loop. Eclipse collections may be useful. https://gist.github.com/zakki/66d785b4a9d3c64bc9f8199d7e290e07 13x faster\u305f\u3060\u3001\u5143\u30b3\u30fc\u30c9\u304cRust\u3067\u306e \u2026","provider_name":"Hatena Blog"}