{"type":"rich","author_url":"https://blog.hatena.ne.jp/kaigai/","blog_title":"KaiGai\u306e\u4ffa\u30e1\u30e2","version":"1.0","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/k/kaigai/20150301/20150301211033.png","blog_url":"https://kaigai.hatenablog.com/","published":"2015-03-01 21:46:21","description":"\u73fe\u6642\u70b9\u3067PG-Strom\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e4\u3064\u3002 \u5168\u4ef6\u63a2\u7d22 (GpuScan) \u8868\u7d50\u5408 (GpuHashJoin) \u96c6\u7d04\u6f14\u7b97 (GpuPreAgg) \u30bd\u30fc\u30c8 (GpuSort) \u3053\u308c\u306b\u3001GPU\u5185\u306e\u8a08\u7b97\u51e6\u7406\u3067\u4f7f\u3046\u30c7\u30fc\u30bf\u578b\u3084\u95a2\u6570\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u3001GPU\u30aa\u30d5\u30ed\u30fc\u30c9\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u304c\u6c7a\u307e\u308b\u3002 \u3060\u3044\u305f\u3044\u30d1\u30c3\u3068\u601d\u3044\u4ed8\u304f\u7a0b\u5ea6\u306bSQL\u30af\u30a8\u30ea\u51e6\u7406\u3067\u91cd\u3044(CPU\u30d0\u30a6\u30f3\u30c9\u306a)\u30e4\u30c4\u306f\u30ab\u30d0\u30ec\u30c3\u30b8\u304c\u3067\u304d\u3066\u304d\u305f\u3051\u308c\u3069\u3082\u3001\u4e00\u3064\u5927\u7269\u304c\u6b8b\u3063\u3066\u3044\u308b\u3002NestedLoop\u3002\u3069\u3046\u5b9f\u88c5\u3057\u305f\u3082\u306e\u304b\u3068\u601d\u3063\u3066\u3044\u305f\u304c\u3001\u3088\u3044\u30a2\u30a4\u30c7\u30a2\u304c\u6d6e\u304b\u3093\u3060\u306e\u3067\u5099\u5fd8\u9332\u4ee3\u308f\u308a\u306b\u3002 NestedLoop\u306e\u5834\u5408\u3001\u7d50\u5408\u6761\u4ef6\u304c\u5358\u7d14\u306a X=Y \u306e\u5f62\u5f0f\u3067\u2026","url":"https://kaigai.hatenablog.com/entry/2015/03/01/214621","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkaigai.hatenablog.com%2Fentry%2F2015%2F03%2F01%2F214621\" title=\"GpuNestedLoop - KaiGai\u306e\u4ffa\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["GPU","PostgreSQL"],"width":"100%","provider_name":"Hatena Blog","height":"190","author_name":"kaigai","provider_url":"https://hatena.blog","title":"GpuNestedLoop"}