Flattening of gpuArray - row major or column major order?

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Sofie Lovdal
Sofie Lovdal 2018-6-18
评论： Sofie Lovdal 2018-6-19
Dear Matlab experts,
I am having some unexpected results passing a 2D Matrix to a CUDA kernel via feval. I think the reason might have to do with the way Matlab flattens the array when passing it to the kernel, but this far I haven't found anything online that would confirm this. My CUDA kernel expects row-major order.
How does Matlab pass the array to the GPU? Does it flatten it with row-major order or column-major order?
Thankful for response!

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Edric Ellis
Edric Ellis 2018-6-19
gpuArray data is stored in column-major format, just like CPU data in MATLAB.

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