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OpenCL same cards but different transfer rates.

Question asked by zhangjingtian on Jun 23, 2013
Latest reply on Jun 24, 2013 by zhangjingtian

Hi,

   I have one hd7990 card in my pc, after crossfire it, in the opencl code, i can find two hd7970 GPU devices.

   But when i transfered data to them, they are in different rates. One is almost double time of another.

   Attachments are the CodeXL screen capture pictures.

   Anybody can tell me why?

   Thanks.

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