{"author_url":"https://blog.hatena.ne.jp/hanecci/","version":"1.0","title":"Ray tracing by CPU multi-threading and GPU","published":"2011-05-06 05:31:44","blog_url":"https://hanecci.hatenadiary.org/","type":"rich","author_name":"hanecci","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhanecci.hatenadiary.org%2Fentry%2F20110506%2F1304713904\" title=\"Ray tracing by CPU multi-threading and GPU - OLD hanecci\u2019s blog : \u65e7 \u306f\u306d\u3063\u3061\u30d6\u30ed\u30b0\" 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":[],"blog_title":"OLD hanecci\u2019s blog : \u65e7 \u306f\u306d\u3063\u3061\u30d6\u30ed\u30b0","provider_name":"Hatena Blog","url":"https://hanecci.hatenadiary.org/entry/20110506/1304713904","description":"I wrote a program which does ray tracing by CPU multi-threading and GPGPU. For GPGPU programming, I used NVidia CUDA C. Here are some results. Spec CPU : Intel Core i7 CPU GPU : Quadro FX 580 ( 32 CUDA cores ) Ray tracing buffer size : 1024 * 1024 pixel Results 1 CPU Thread : 1x 2 CPU Thread : 1.18x\u2026","width":"100%","height":"190"}