[Bf-committers] CUDA backend implementation for GSoC?

Giuseppe Ghibò ghibo at mandriva.com
Tue Dec 16 17:24:16 CET 2008

Timothy Baldridge ha scritto:
> There's several issues involved in getting CUDA/OpenCL working with
> Blender. The biggest is memory bandwidth. Let me explain: a Core i7
> Processor can pull about 20GB/sec from the system memory. The Max a
> PCIe bus can push through is 4GB/sec. Internally the high end GF8
Indeed with PCIe 2.0 you have doubled the bandwidth, and have a 0.5GB/s 
per lane, thus
allowing 16GB/s (consider also you have configuration with SLI or quad-SLI).


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