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HD7950 3GB. Able to successfully transfer 3.2GB?

Question asked by clfan on Sep 3, 2016

I have a plasma code whereby I am transferring 6x 1D arrays each of size 538.1 MB, according to both my calculations and CodeXL. Given all data is read/written to during each timestep, how can this not crash my code after multiple steps? And why does it return CL_SUCCESS on WriteBuffer?? If I increase the size of the data by 10% more, I get errors on running.

 

Gigabyte HD7950-3GB

OpenCL 1.2

Driver 16.7.3

Windows 10

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