CuPy - Nvidia
GTC Japan 2018
CuPy
NumPyGPUPython
Preferred Networks
okuta@preferred.jp
CuPy
CuPy
GPUNumPy
import numpy as np X_cpu = np.zeros((10,)) W_cpu = np.zeros((10, 5)) y_cpu = np.dot(x_cpu, W_cpu)
import cupy as cp x_gpu = cp.zeros((10,)) W_gpu = cp.zeros((10, 5)) y_gpu = cp.dot(x_gpu, W_gpu)
y_cpu = cp.asnumpy(y_gpu)
y_gpu = cp.asarray(y_cpu)
import numpy as np X_cpu = np.zeros((10,)) W_cpu = np.zeros((10, 5)) y_cpu = np.dot(x_cpu, W_cpu)
import cupy as cp x_gpu = cp.zeros((10,)) W_gpu = cp.zeros((10, 5)) y_gpu = cp.dot(x_gpu, W_gpu)
for xp in [np, cp]: x = xp.zeros((10,)) W = xp.zeros((10, 5)) y = xp.dot(x, W)
CuPyCPU/GPU
CuPy1
? ChainerNumPyPyCUDA
AddConcat
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