{"title":"CUDA\u3067half\u578b","author_url":"https://blog.hatena.ne.jp/sygh/","published":"2014-01-23 23:53:32","url":"https://sygh.hatenadiary.jp/entry/2014/01/23/235332","image_url":null,"provider_name":"Hatena Blog","description":"VRAM \u4f7f\u7528\u91cf\u3084\u5e2f\u57df\u306e\u7bc0\u7d04\u76ee\u7684\u3067\u3001CUDA \u3084 OpenCL \u306e\u30ab\u30fc\u30cd\u30eb\u306b FP16 \u534a\u7cbe\u5ea6\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\uff08half\uff09\u578b\u306e\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u5834\u5408\u306e\u8a71\u3067\u3059\u3002 \u901a\u4f8b GPGPU \u3067\u4f7f\u308f\u308c\u308b\u5b9f\u6570\u306f FP32 \u5358\u7cbe\u5ea6\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\uff08float\uff09\u578b\u306a\u3093\u3067\u3059\u304c\u3001half \u3060\u3068\u305d\u306e\u534a\u5206\u306e\u30c7\u30fc\u30bf\u91cf\u3067\u6e08\u3080\u305f\u3081\u3001\u5e2f\u57df\u5e45\u306e\u6bd4\u8f03\u7684\u72ed\u3044\u30b7\u30b9\u30c6\u30e0 RAM \u21d4 VRAM \u9593\u306e\u8ee2\u9001\u8ca0\u8377\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5927\u5bb9\u91cf\u30c7\u30fc\u30bf\u3092 GPU \u306b\u8ee2\u9001\u3057\u3066\u307e\u3068\u3081\u3066\u5927\u91cf\u4e26\u5217\u51e6\u7406\u3057\u3066\u3082\u3089\u3046 GPGPU \u3067\u306f\u52b9\u679c\u3092\u767a\u63ee\u3057\u3084\u3059\u3044\u3067\u3059\u3002IEEE 754\u3067\u306f binary16 (fp16) \u3068\u3057\u3066\u6a19\u6e96\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002 Direct3D \u3084 OpenGL \u3067 \u2026","type":"rich","width":"100%","blog_title":"sygh\u306e\u65b0\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u7f6e\u304d\u5834","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsygh.hatenadiary.jp%2Fentry%2F2014%2F01%2F23%2F235332\" title=\"CUDA\u3067half\u578b - sygh\u306e\u65b0\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u7f6e\u304d\u5834\" 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","author_name":"sygh","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0Tips","GPU","CUDA"],"blog_url":"https://sygh.hatenadiary.jp/","height":"190"}