def forward(self, inputs): x = autograd.matmul(inputs, self.w0) x = autograd.add_bias(x, self.b0) x = autograd.relu(x) x = autograd.matmul(x, self.w1) x = autograd.add_bias(x, self.b1) return x
def onnx_loss(a,model,target): ''' input: a graph node dictionary model: graph model target: label load other nodes of onnx ''' for i in model.graph.node: if (i.op_type == 'Constant'): pass # do nothing if (i.op_type == 'LeakyRelu'): a[str(i.output[0])] = autograd.relu(a[str(i.input[0])]) elif (i.op_type == 'Relu'): a[str(i.output[0])] = autograd.relu(a[str(i.input[0])]) elif (i.op_type == 'Softmax'): a[str(i.output[0])] = autograd.softmax(a[str(i.input[0])]) elif (i.op_type == 'Add'): if(str(i.input[1])[-1] == 'b'): a[str(i.output[0])] = autograd.add_bias(a[str(i.input[0])], a[str(i.input[1])]) else: a[str(i.output[0])] = autograd.add(a[str(i.input[0])],a[str(i.input[1])]) elif (i.op_type == 'MatMul'): a[str(i.output[0])] = autograd.matmul(a[str(i.input[0])], a[str(i.input[1])]) loss = autograd.cross_entropy(a['Y'], target) return loss
def singa_to_onnx(niter, use_cpu=False): if use_cpu: print("Using CPU") dev = device.get_default_device() else: print("Using GPU") dev = device.create_cuda_gpu() inputs = Tensor( data=data, device=dev, requires_grad=False, stores_grad=False, name="input", ) target = Tensor( data=label, device=dev, requires_grad=False, stores_grad=False, name="target", ) w0 = Tensor(shape=(2, 3), device=dev, requires_grad=True, stores_grad=True) w0.gaussian(0.0, 0.1) b0 = Tensor(shape=(3,), device=dev, requires_grad=True, stores_grad=True) b0.set_value(0.0) w1 = Tensor(shape=(3, 2), device=dev, requires_grad=True, stores_grad=True) w1.gaussian(0.0, 0.1) b1 = Tensor(shape=(2,), device=dev, requires_grad=True, stores_grad=True) b1.set_value(0.0) sgd = opt.SGD(0.1) # training process for i in range(100): x = autograd.matmul(inputs, w0) x = autograd.add_bias(x, b0) x = autograd.relu(x) x = autograd.matmul(x, w1) x = autograd.add_bias(x, b1) loss = autograd.softmax_cross_entropy(x, target) for p, gp in autograd.backward(loss): sgd.update(p, gp) print("training loss = ", tensor.to_numpy(loss)[0]) sonnx.export([inputs], [x], file_path="mlp.onnx")
print("train_label_shape:", label.shape) inputs = Tensor(data=data) target = Tensor(data=label) w0 = Tensor(shape=(2, 3), requires_grad=True, stores_grad=True) w0.gaussian(0.0, 0.1) b0 = Tensor(shape=(1, 3), requires_grad=True, stores_grad=True) b0.set_value(0.0) w1 = Tensor(shape=(3, 2), requires_grad=True, stores_grad=True) w1.gaussian(0.0, 0.1) b1 = Tensor(shape=(1, 2), requires_grad=True, stores_grad=True) b1.set_value(0.0) sgd = optimizer.SGD(0.05) # training process for i in range(1001): x = autograd.matmul(inputs, w0) x = autograd.add_bias(x, b0) x = autograd.relu(x) x = autograd.matmul(x, w1) x = autograd.add_bias(x, b1) x = autograd.softmax(x) loss = autograd.cross_entropy(x, target) for p, gp in autograd.backward(loss): sgd.apply(0, gp, p, "") if i % 100 == 0: print("training loss = ", tensor.to_numpy(loss)[0])
print('train_label_shape:', label.shape) inputs = Tensor(data=data) target = Tensor(data=label) w0 = Tensor(shape=(2, 3), requires_grad=True, stores_grad=True) w0.gaussian(0.0, 0.1) b0 = Tensor(shape=(1, 3), requires_grad=True, stores_grad=True) b0.set_value(0.0) w1 = Tensor(shape=(3, 2), requires_grad=True, stores_grad=True) w1.gaussian(0.0, 0.1) b1 = Tensor(shape=(1, 2), requires_grad=True, stores_grad=True) b1.set_value(0.0) sgd = optimizer.SGD(0.05) # training process for i in range(1001): x = autograd.matmul(inputs, w0) x = autograd.add_bias(x, b0) x = autograd.relu(x) x = autograd.matmul(x, w1) x = autograd.add_bias(x, b1) x = autograd.softmax(x) loss = autograd.cross_entropy(x, target) for p, gp in autograd.backward(loss): sgd.apply(0, gp, p, '') if (i % 100 == 0): print('training loss = ', tensor.to_numpy(loss)[0])
w1 = Tensor(shape=(2, 2), requires_grad=True, stores_grad=True) w1.gaussian(0.0, 0.1) b1 = Tensor(shape=(1, 2), requires_grad=True, stores_grad=True) b1.set_value(0.0) w2 = Tensor(shape=(2, 2), requires_grad=True, stores_grad=True) w2.gaussian(0.0, 0.1) b2 = Tensor(shape=(1, 2), requires_grad=True, stores_grad=True) b2.set_value(0.0) sgd = optimizer.SGD(0.00) # training process for i in range(1): x = autograd.matmul(inputs, w0) x = autograd.add_bias(x, b0) x = autograd.relu(x) x2 = autograd.matmul(x, w2) x2 = autograd.add_bias(x2, b2) x1 = autograd.matmul(x, w1) x1 = autograd.add_bias(x1, b1) x = autograd.add(x1, x2) y = autograd.softmax(x) loss = autograd.cross_entropy(y, target) gradient = autograd.backward(loss) for p, gp in gradient: sgd.apply(0, gp, p, '') if (i % 100 == 0): print('training loss = ', tensor.to_numpy(loss)[0]) model = sonnx.to_onnx_model([inputs], [y])