32 from daal.algorithms.neural_networks
import layers
33 from daal.algorithms.neural_networks.layers
import softmax
34 from daal.data_management
import HomogenTensor, TensorIface
36 utils_folder = os.path.realpath(os.path.abspath(os.path.dirname(os.path.dirname(__file__))))
37 if utils_folder
not in sys.path:
38 sys.path.insert(0, utils_folder)
39 from utils
import printTensor, readTensorFromCSV
42 datasetName = os.path.join(
"..",
"data",
"batch",
"layer.csv")
45 if __name__ ==
"__main__":
48 tensorData = readTensorFromCSV(datasetName)
51 softmaxLayerForward = softmax.forward.Batch()
52 softmaxLayerForward.parameter.dimension = dimension
55 softmaxLayerForward.input.setInput(layers.forward.data, tensorData)
58 forwardResult = softmaxLayerForward.compute()
61 printTensor(forwardResult.getResult(layers.forward.value),
"Forward softmax layer result (first 5 rows):", 5)
64 gDims = forwardResult.getResult(layers.forward.value).getDimensions()
65 tensorDataBack = HomogenTensor(gDims, TensorIface.doAllocate, 0.01)
68 softmaxLayerBackward = softmax.backward.Batch()
69 softmaxLayerBackward.parameter.dimension = dimension
72 softmaxLayerBackward.input.setInput(layers.backward.inputGradient, tensorDataBack)
73 softmaxLayerBackward.input.setInputLayerData(layers.backward.inputFromForward, forwardResult.getResultLayerData(layers.forward.resultForBackward))
76 backwardResult = softmaxLayerBackward.compute()
79 printTensor(backwardResult.getResult(layers.backward.gradient),
"Backward softmax layer result (first 5 rows):", 5)