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I am new to CUDA, I have been working on matrix. In this program I want to add 2 matrices. It works very well in small matrix, but when I want to increase the number of row and col (for example more than 128), it does not work and result always is zero. I do not know What causes this problem.I use GT 1030 and cudaToolkit 9.1.Any suggestions?

put on hold as off-topic by Twisty Impersonator, BillP3rd, bertieb, James P, PeterH 12 hours ago

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