{"author_name":"jyukutyo","categories":["jvm","java"],"url":"https://www.sakatakoichi.com/entry/2017/12/07/190000","author_url":"https://blog.hatena.ne.jp/jyukutyo/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.sakatakoichi.com%2Fentry%2F2017%2F12%2F07%2F190000\" title=\"Graal\u3067\u306e\u30ed\u30c3\u30af\u7c97\u7c92\u5316 - Fight the Future\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"Fight the Future","width":"100%","blog_url":"https://www.sakatakoichi.com/","height":"190","published":"2017-12-07 19:00:00","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","type":"rich","version":"1.0","title":"Graal\u3067\u306e\u30ed\u30c3\u30af\u7c97\u7c92\u5316","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/j/jyukutyo/20171129/20171129123154.png","description":"\u524d\u56de\u306fGraal\u3067\u306e\u5927\u57df\u7684\u5024\u756a\u53f7\u4ed8\u3051\u3067\u3057\u305f\u3002 jyukutyo.hatenablog.com \u3053\u3061\u3089\u306e\u8a18\u4e8b\u306b\u6cbf\u3063\u3066Graal\u306e\u7406\u89e3\u3092\u6df1\u3081\u307e\u3059\u3002 Understanding How Graal Works - a Java JIT Compiler Written in Java \u4eca\u56de\u306f\u30ed\u30c3\u30af\u7c97\u7c92\u5316\uff08Lock coarsening\uff09\u3067\u3059\u3002\u540c\u4e00\u306e\u30e2\u30cb\u30bf\u306b\u5bfe\u3057\u3066\u7d9a\u3051\u30662\u56de\u540c\u671f\u5316\u3057\u3066\u3044\u308b\u30b3\u30fc\u30c9\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002\u76f4\u63a5\u305d\u3046\u3044\u3046\u30b3\u30fc\u30c9\u306f\u66f8\u304b\u306a\u3044\u3067\u3057\u3087\u3046\u304c\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u306e\u7d50\u679c\u3068\u3057\u3066\u5b9f\u969b\u306b\u3053\u3046\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 void workload() { synchronized (monitor) { counter\u2026"}