matlab - Improve Speed of Matrix Multiplication by Taking Advantage of GPUArray -


i want improve speed of multiplication of matrix a (m-by-n) , vector x (n-by-1) using gpuarray. using: 

gpua = gpuarray(a); gpux = gpuarray(x); gpuc = gpua * gpux c = gather(gpuc)

didn't give me needed improvement in speed

any ideas on how can achieve this?


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