Exemplo n.º 1
0
 def save_checkpoint(self, name):
     ckp_path = os.path.join(self.model_dir, name)
     tmp = {
         'network': self.net,
         'opt_state': self.train_func.optimizer_state.make_checkpoint(),
         'clock': self.clock.make_checkpoint(),
     }
     io.dump(tmp, ckp_path)
Exemplo n.º 2
0
                       nonlinearity=mgsk.opr.helper.elemwise_trans.Identity())

    f = Softmax("cls_softmax", f)
    f.init_weights()

    net = RawNetworkBuilder(inputs=[data], outputs=[f])

    return net


if __name__ == '__main__':
    parser = argparse.ArgumentParser(
        description='dump pkl model for resnet50',
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
    parser.add_argument('-b', '--batch-size',
                        help='batch size of the model', default=1)
    parser.add_argument('-f', '--format', choices=['NCHW', 'NCHW4'],
                        help='format of conv',
                        default='NCHW')
    parser.add_argument('-o', '--output',
                        help='output pkl path', required=True)
    args = parser.parse_args()
    if args.format != 'NCHW':
        print('Only suppprt NCHW for float model')
        parser.print_help()
        sys.exit(1)

    from meghair.utils import io
    io.dump(get(args), args.output)

Exemplo n.º 3
0
    def R3(self):
        print("entered R3!!!!")
        oprs_dict = self.oprs_dict
        new_oprs_dict = self.new_oprs_dict
        DEBUG = True
        convs = self.convs
        end = 5
        speed_ratio = 4
        alldic = ['conv%d_1' % i for i in range(1, end)
                  ] + ['conv%d_2' % i for i in range(3, end)]
        pooldic = {
            'conv1_2': 'pool1',
            'conv2_2': 'pool2',
            'conv3_3': 'pool3',
            'conv4_3': 'pool4'
        }

        rankdic = {
            'conv1_1': 24,
            'conv1_2': 22,
            'conv2_1': 41,
            'conv2_2': 51,
            'conv3_1': 108,
            'conv3_2': 89,
            'conv3_3': 111,
            'conv4_1': 184,
            'conv4_2': 276,
            'conv4_3': 228,
            'conv5_1': 512,
            'conv5_2': 512,
            'conv5_3': 512
        }
        for i in rankdic:
            if 'conv5' in i:
                continue  # the break-statemet was giving a bug, so changed it to continue-statement -by Mario
            rankdic[i] = int(rankdic[i] * 4. / speed_ratio)
        c_ratio = 1.15
        t = Timer()
        for conv, convnext in zip(
                convs[0:], convs[1:] + ['pool5']
        ):  # note that we exclude the first conv, conv1_1 contributes little computation -by Mario
            #W_shape = self.param_shape(conv)
            #d_c = int(W_shape[0] / c_ratio)
            #rank = rankdic[conv]
            #d_prime = rank
            #if d_c < rank: d_c = rank
            d_c = rankdic[conv]
            print("channel pruning", conv, convnext)
            '''channel pruning'''
            if (conv in alldic or conv in pooldic) and (convnext
                                                        in self.convs):
                t.tic()
                if conv in pooldic:
                    X_name = pooldic[conv]
                else:
                    X_name = conv
                print(X_name, convnext)
                idxs, W2, B2 = self.dictionary_kernel(X_name, d_c, convnext)
                # W2
                W_new = self.param_data(convnext)
                W_new[:, ~idxs, ...] = 0
                W_new[:, idxs, ...] = W2.copy()
                self.new_oprs_dict[convnext + ':W'].set_value(W_new)
                self.new_oprs_dict[convnext + ':b'].set_value(B2)

                t.toc('channel_pruning')
            print("channel pruning finished")

            io.dump(self.new_net, 'outputs/' + X_name + 'pruned_model.save')
        self.val()
        io.dump(self.new_net, 'pruned_model.save')
Exemplo n.º 4
0
def make_network(model, isize):
    data = [
        O.DataProvider('input{}'.format(i), shape=isizes[i])
        for i in range(len(isizes))
    ]
    f = open(model, 'rb')
    engine = f.read()

    opr = TensorRTRuntimeOpr(data, engine, 1)

    net = RawNetworkBuilder(inputs=[data], outputs=opr.outputs)

    return net


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument(dest='model')
    parser.add_argument(dest='output')
    parser.add_argument(
        '--isize',
        help='input sizes. '
        'e.g. for models with two (1,3,224,224) inputs, '
        'the option --isize="1,3,224,224;1,3,224,224" should be used')

    args = parser.parse_args()
    isizes = [str2tuple(x) for x in args.isize.split(';')]
    net = make_network(args.model, isizes)
    dump(net, args.output)
Exemplo n.º 5
0
func_test = Function().compile(network.pred)

import pickle
import gzip
import numpy as np

train_set, valid_set, test_set = pickle.load(gzip.open("mnist.pkl.gz", "rb"),
                                             encoding="latin1")

minibatch_size = network.minibatch_size

l = len(train_set[0])
epoch = 0
for i in range(100000):
    j = i % (l // minibatch_size)
    minibatch = train_set[0][j * minibatch_size:(j + 1) * minibatch_size]
    label = train_set[1][j * minibatch_size:(j + 1) * minibatch_size]
    minibatch = np.array(minibatch).reshape(-1, 1, 28, 28)
    loss = func(input_mat=minibatch, label=label)
    if j == 0:
        print("*****")
        print("epoch = ", epoch)
        epoch += 1
        print("loss = ", loss)
        res = func_test(
            input_mat=np.array(valid_set[0]).reshape(-1, 1, 28, 28))
        res = np.argmax(np.array(res), axis=1)
        acc = (np.array(res) == np.array(valid_set[1])).mean()
        print("acc = ", acc)
        dump(network.network, open("1.data", "wb"))