gpuArray size limit is much less than the GPU maximum memory
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When I work on using gpuArray to speed up my computation, I vectorized all my parallel element-wise operations and then obtained 2 big matrices as gpuArrays, to perform some basic multiplications/summations, etc. I thought this might be the better way to go compared to use the arrayFun. It did work well, and, to further speed up, I want to maximize the memory usage of the GPU. This means, instead of performing matrices operations several times, it will be better to perform bigger matrix operations only one time. Then I found matlab has some limit on the array size as intmax('int32'). However, this number is much less than the maximum GPU memory of my device. So I wonder if there is a way to overcome this.
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