len3d

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02 2013 档案

摘要:Here is a list of links and references used when building theVRayFastSSS2material.[1] H. C. Hege, T. Hollerer, and D. Stalling,Volume Rendering: Mathematical Models and Algorithmic aspectsAn online version can be found athttp://www.cs.ucsb.edu/~holl/publications.htmlDefines the basic quantities invo 阅读全文
posted @ 2013-02-25 17:54 Len3d 阅读(331) 评论(6) 推荐(0)

摘要:http://www.creativecrash.com/forums/renderman-renderers-and-plug-ins/topics/shave-sdk-postedhttp://www.joealter.com/zips/SHAVESDK.zip 阅读全文
posted @ 2013-02-21 17:09 Len3d 阅读(242) 评论(0) 推荐(0)

摘要:* Tracing rays is fast, shading is slow* normalize is slow and should be avoided as much as possible* C is not faster than C++, correct use of C++ features can improve performance* SSE is not always faster, should be used without load and store from FPU* Taking branch is slower, computation is faste 阅读全文
posted @ 2013-02-14 15:09 Len3d 阅读(257) 评论(0) 推荐(0)

摘要:trace depth rays per second per core 6 220000 5 230000 4 250000 3 270000 2 310000why rays per second per core is dropping so fast with trace depth? 阅读全文
posted @ 2013-02-01 10:12 Len3d 阅读(245) 评论(0) 推荐(0)