pengzhao-intel commented on issue #15108: The test time of the model on GPU is normal, but the test time on CPU is very long. URL: https://github.com/apache/incubator-mxnet/issues/15108#issuecomment-500269615 After the analysis, I think the problem is the input data is underflow so the computation is very slow. I think the problem will disappear and when you switch to a real data > [[[[-2.54311177e-28 -1.54346012e-29 -1.86278236e-27 ... 8.16160440e-02 > 3.19217145e-02 2.33461082e-01] > [-5.60695946e-27 -6.00699591e-27 -7.86982584e-27 ... 1.92388237e-01 > 9.94710028e-02 2.34758019e-01] > [-2.91797916e-27 -8.43729205e-28 -3.13466534e-27 ... -1.47056355e-27 > -1.57520761e-27 1.33262098e-01] > ... > [ 1.02718532e-01 -4.38827914e-27 -3.15236521e-27 ... -5.44395992e-27 > -7.84003017e-27 -8.97732492e-27] > [ 4.15135205e-01 4.14867938e-01 4.66439784e-01 ... -7.93092096e-27 > -1.08695110e-26 -1.25687667e-26] > [-4.19972906e-27 -4.36781459e-27 -3.73858247e-27 ... -2.86622383e-27 > -2.13053689e-27 -6.52746731e-27]] > > [[-6.91081895e-38 -6.91081895e-38 -6.91081895e-38 ... -6.91081895e-38 > -6.91081895e-38 -6.91081895e-38] > [-6.91081895e-38 -6.91081895e-38 -6.91081895e-38 ... -6.91081895e-38 > -6.91081895e-38 -6.91081895e-38] > [-6.91081895e-38 -6.91081895e-38 -6.91081895e-38 ... -6.91081895e-38 > -6.91081895e-38 -6.91081895e-38] > ... > [-6.91081895e-38 -6.91081895e-38 -6.91081895e-38 ... -6.91081895e-38 > -6.91081895e-38 -6.91081895e-38] > [-6.91081895e-38 -6.91081895e-38 -6.91081895e-38 ... -6.91081895e-38 > -6.91081895e-38 -6.91081895e-38] > [-6.91081895e-38 -6.91081895e-38 -6.91081895e-38 ... -6.91081895e-38 > -6.91081895e-38 -6.91081895e-38]]
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