[Dy2stat] Add TSM as ProgramTranslator Unit Test.

python/paddle/fluid/tests/unittests/dygraph_to_static/CMakeLists.txt

@@ -4,3 +4,5 @@ string(REPLACE ".py" "" TEST_OPS "${TEST_OPS}")
 foreach(TEST_OP ${TEST_OPS})
     py_test_modules(${TEST_OP} MODULES ${TEST_OP})
 endforeach(TEST_OP)
+
+set_tests_properties(test_tsm PROPERTIES TIMEOUT 900)

python/paddle/fluid/tests/unittests/dygraph_to_static/test_tsm.py

@@ -0,0 +1,348 @@
+#  Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+#
+#Licensed under the Apache License, Version 2.0 (the "License");
+#you may not use this file except in compliance with the License.
+#You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+#Unless required by applicable law or agreed to in writing, software
+#distributed under the License is distributed on an "AS IS" BASIS,
+#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#See the License for the specific language governing permissions and
+#limitations under the License.
+
+import argparse
+import math
+import numpy as np
+import os
+import random
+import sys
+import time
+import unittest
+
+import paddle.fluid as fluid
+from paddle.fluid.dygraph import declarative, ProgramTranslator, to_variable
+from paddle.fluid.dygraph.nn import Conv2D, BatchNorm, Linear, Pool2D
+from paddle.fluid.layer_helper import LayerHelper
+from tsm_config_utils import *
+
+random.seed(0)
+np.random.seed(0)
+
+
+def parse_args():
+    parser = argparse.ArgumentParser("Paddle Video train script")
+    parser.add_argument(
+        '--config',
+        type=str,
+        default='tsm.yaml',
+        help='path to config file of model')
+    parser.add_argument(
+        '--use_gpu',
+        type=bool,
+        default=fluid.is_compiled_with_cuda(),
+        help='default use gpu.')
+    args = parser.parse_args(['--config', 'tsm.yaml'])
+    return args
+
+
+class ConvBNLayer(fluid.dygraph.Layer):
+    def __init__(self,
+                 num_channels,
+                 num_filters,
+                 filter_size,
+                 stride=1,
+                 groups=1,
+                 act=None):
+        super(ConvBNLayer, self).__init__()
+
+        self._conv = Conv2D(
+            num_channels=num_channels,
+            num_filters=num_filters,
+            filter_size=filter_size,
+            stride=stride,
+            padding=(filter_size - 1) // 2,
+            groups=None,
+            act=None,
+            param_attr=fluid.param_attr.ParamAttr(),
+            bias_attr=False)
+
+        self._batch_norm = BatchNorm(
+            num_filters,
+            act=act,
+            param_attr=fluid.param_attr.ParamAttr(),
+            bias_attr=fluid.param_attr.ParamAttr())
+
+    def forward(self, inputs):
+        y = self._conv(inputs)
+        y = self._batch_norm(y)
+
+        return y
+
+
+class BottleneckBlock(fluid.dygraph.Layer):
+    def __init__(self,
+                 num_channels,
+                 num_filters,
+                 stride,
+                 shortcut=True,
+                 seg_num=8):
+        super(BottleneckBlock, self).__init__()
+
+        self.conv0 = ConvBNLayer(
+            num_channels=num_channels,
+            num_filters=num_filters,
+            filter_size=1,
+            act='relu')
+        self.conv1 = ConvBNLayer(
+            num_channels=num_filters,
+            num_filters=num_filters,
+            filter_size=3,
+            stride=stride,
+            act='relu')
+        self.conv2 = ConvBNLayer(
+            num_channels=num_filters,
+            num_filters=num_filters * 4,
+            filter_size=1,
+            act=None)
+
+        if not shortcut:
+            self.short = ConvBNLayer(
+                num_channels=num_channels,
+                num_filters=num_filters * 4,
+                filter_size=1,
+                stride=stride)
+        self.shortcut = shortcut
+        self.seg_num = seg_num
+        self._num_channels_out = int(num_filters * 4)
+
+    def forward(self, inputs):
+        shifts = fluid.layers.temporal_shift(inputs, self.seg_num, 1.0 / 8)
+        y = self.conv0(shifts)
+        conv1 = self.conv1(y)
+        conv2 = self.conv2(conv1)
+        if self.shortcut:
+            short = inputs
+        else:
+            short = self.short(inputs)
+        y = fluid.layers.elementwise_add(x=short, y=conv2, act="relu")
+        return y
+
+
+class TSM_ResNet(fluid.dygraph.Layer):
+    def __init__(self, name_scope, config, mode):
+        super(TSM_ResNet, self).__init__(name_scope)
+
+        self.layers = config.MODEL.num_layers
+        self.seg_num = config.MODEL.seg_num
+        self.class_dim = config.MODEL.num_classes
+        self.reshape_list = [
+            config.MODEL.seglen * 3, config[mode.upper()]['target_size'],
+            config[mode.upper()]['target_size']
+        ]
+
+        if self.layers == 50:
+            depth = [3, 4, 6, 3]
+        else:
+            raise NotImplementedError
+        num_filters = [64, 128, 256, 512]
+
+        self.conv = ConvBNLayer(
+            num_channels=3, num_filters=64, filter_size=7, stride=2, act='relu')
+        self.pool2d_max = Pool2D(
+            pool_size=3, pool_stride=2, pool_padding=1, pool_type='max')
+
+        self.bottleneck_block_list = []
+        num_channels = 64
+
+        for block in range(len(depth)):
+            shortcut = False
+            for i in range(depth[block]):
+                bottleneck_block = self.add_sublayer(
+                    'bb_%d_%d' % (block, i),
+                    BottleneckBlock(
+                        num_channels=num_channels,
+                        num_filters=num_filters[block],
+                        stride=2 if i == 0 and block != 0 else 1,
+                        shortcut=shortcut,
+                        seg_num=self.seg_num))
+                num_channels = int(bottleneck_block._num_channels_out)
+                self.bottleneck_block_list.append(bottleneck_block)
+                shortcut = True
+        self.pool2d_avg = Pool2D(
+            pool_size=7, pool_type='avg', global_pooling=True)
+
+        import math
+        stdv = 1.0 / math.sqrt(2048 * 1.0)
+
+        self.out = Linear(
+            2048,
+            self.class_dim,
+            act="softmax",
+            param_attr=fluid.param_attr.ParamAttr(
+                initializer=fluid.initializer.Uniform(-stdv, stdv)),
+            bias_attr=fluid.param_attr.ParamAttr(
+                learning_rate=2.0, regularizer=fluid.regularizer.L2Decay(0.)))
+
+    @declarative
+    def forward(self, inputs):
+        y = fluid.layers.reshape(inputs, [-1] + self.reshape_list)
+        y = self.conv(y)
+        y = self.pool2d_max(y)
+        for bottleneck_block in self.bottleneck_block_list:
+            y = bottleneck_block(y)
+        y = self.pool2d_avg(y)
+        y = fluid.layers.dropout(y, dropout_prob=0.5)
+        y = fluid.layers.reshape(y, [-1, self.seg_num, y.shape[1]])
+        y = fluid.layers.reduce_mean(y, dim=1)
+        y = fluid.layers.reshape(y, shape=[-1, 2048])
+        y = self.out(y)
+        return y
+
+
+class FakeDataReader(object):
+    def __init__(self, mode, cfg):
+        self.format = cfg.MODEL.format
+        self.num_classes = cfg.MODEL.num_classes
+        self.seg_num = cfg.MODEL.seg_num
+        self.seglen = cfg.MODEL.seglen
+
+        self.target_size = cfg[mode.upper()]['target_size']
+        self.img_mean = np.array(cfg.MODEL.image_mean).reshape(
+            [3, 1, 1]).astype(np.float32)
+        self.img_std = np.array(cfg.MODEL.image_std).reshape(
+            [3, 1, 1]).astype(np.float32)
+
+        self.batch_size = cfg[mode.upper()]['batch_size']
+        self.generator_out = []
+        self.total_iter = 3
+        for i in range(self.total_iter):
+            batch_out = []
+            for j in range(self.batch_size):
+                label = np.int64(random.randint(0, self.num_classes - 1))
+                random_mean = self.img_mean[0][0][0]
+                random_std = self.img_std[0][0][0]
+                imgs = np.random.normal(random_mean, random_std, [
+                    self.seg_num, self.seglen * 3, self.target_size,
+                    self.target_size
+                ]).astype(np.float32)
+                batch_out.append((imgs, label))
+            self.generator_out.append(batch_out)
+
+    def create_reader(self):
+        def batch_reader():
+            for i in range(self.total_iter):
+                yield self.generator_out[i]
+
+        return batch_reader
+
+
+def create_optimizer(cfg, params):
+    total_videos = cfg.total_videos
+    step = int(total_videos / cfg.batch_size + 1)
+    bd = [e * step for e in cfg.decay_epochs]
+    base_lr = cfg.learning_rate
+    lr_decay = cfg.learning_rate_decay
+    lr = [base_lr, base_lr * lr_decay, base_lr * lr_decay * lr_decay]
+    l2_weight_decay = cfg.l2_weight_decay
+    momentum = cfg.momentum
+
+    optimizer = fluid.optimizer.Momentum(
+        learning_rate=fluid.layers.piecewise_decay(
+            boundaries=bd, values=lr),
+        momentum=momentum,
+        regularization=fluid.regularizer.L2Decay(l2_weight_decay),
+        parameter_list=params)
+
+    return optimizer
+
+
+def train(args, fake_data_reader, to_static):
+    program_translator = ProgramTranslator()
+    program_translator.enable(to_static)
+
+    config = parse_config(args.config)
+    train_config = merge_configs(config, 'train', vars(args))
+    valid_config = merge_configs(config, 'valid', vars(args))
+    print_configs(train_config, 'Train')
+
+    place = fluid.CUDAPlace(0) if args.use_gpu else fluid.CPUPlace()
+
+    random.seed(0)
+    np.random.seed(0)
+    with fluid.dygraph.guard(place):
+        fluid.default_startup_program().random_seed = 1000
+        fluid.default_main_program().random_seed = 1000
+
+        video_model = TSM_ResNet("TSM", train_config, 'Train')
+
+        optimizer = create_optimizer(train_config.TRAIN,
+                                     video_model.parameters())
+
+        train_reader = fake_data_reader.create_reader()
+
+        ret = []
+        for epoch in range(train_config.TRAIN.epoch):
+            video_model.train()
+            total_loss = 0.0
+            total_acc1 = 0.0
+            total_acc5 = 0.0
+            total_sample = 0
+            for batch_id, data in enumerate(train_reader()):
+                x_data = np.array([item[0] for item in data])
+                y_data = np.array([item[1] for item in data]).reshape([-1, 1])
+
+                imgs = to_variable(x_data)
+                labels = to_variable(y_data)
+                labels.stop_gradient = True
+                outputs = video_model(imgs)
+                loss = fluid.layers.cross_entropy(
+                    input=outputs, label=labels, ignore_index=-1)
+                avg_loss = fluid.layers.mean(loss)
+                acc_top1 = fluid.layers.accuracy(
+                    input=outputs, label=labels, k=1)
+                acc_top5 = fluid.layers.accuracy(
+                    input=outputs, label=labels, k=5)
+
+                avg_loss.backward()
+                optimizer.minimize(avg_loss)
+                video_model.clear_gradients()
+
+                total_loss += avg_loss.numpy()[0]
+                total_acc1 += acc_top1.numpy()[0]
+                total_acc5 += acc_top5.numpy()[0]
+                total_sample += 1
+
+                print('TRAIN Epoch {}, iter {}, loss = {}, acc1 {}, acc5 {}'.
+                      format(epoch, batch_id,
+                             avg_loss.numpy()[0],
+                             acc_top1.numpy()[0], acc_top5.numpy()[0]))
+                ret.extend([
+                    avg_loss.numpy()[0], acc_top1.numpy()[0],
+                    acc_top5.numpy()[0]
+                ])
+
+            print(
+                'TRAIN End, Epoch {}, avg_loss= {}, avg_acc1= {}, avg_acc5= {}'.
+                format(epoch, total_loss / total_sample, total_acc1 /
+                       total_sample, total_acc5 / total_sample))
+        return ret
+
+
+class TestTsm(unittest.TestCase):
+    def test_dygraph_static_same_loss(self):
+        if fluid.is_compiled_with_cuda():
+            fluid.set_flags({"FLAGS_cudnn_deterministic": True})
+        args = parse_args()
+        fake_data_reader = FakeDataReader("train", parse_config(args.config))
+        dygraph_loss = train(args, fake_data_reader, to_static=False)
+        static_loss = train(args, fake_data_reader, to_static=True)
+        self.assertTrue(
+            np.allclose(dygraph_loss, static_loss),
+            msg="dygraph_loss: {} \nstatic_loss: {}".format(dygraph_loss,
+                                                            static_loss))
+
+
+if __name__ == '__main__':
+    unittest.main()

python/paddle/fluid/tests/unittests/dygraph_to_static/tsm.yaml

@@ -0,0 +1,43 @@
+MODEL:
+    name: "TSM"
+    format: "pkl"
+    num_classes: 400
+    seg_num: 8
+    seglen: 1
+    image_mean: [0.485, 0.456, 0.406]
+    image_std: [0.229, 0.224, 0.225]
+    num_layers: 50
+    topk: 5
+
+TRAIN:
+    epoch: 1
+    short_size: 256
+    target_size: 224
+    num_reader_threads: 12
+    buf_size: 1024
+    batch_size: 4 #128
+    use_gpu: True
+    num_gpus: 1 #8
+    filelist: "./data/dataset/kinetics/train.list"
+    learning_rate: 0.01
+    learning_rate_decay: 0.1
+    decay_epochs: [40, 60]
+    l2_weight_decay: 1e-4
+    momentum: 0.9
+    total_videos: 8000 #239781
+
+VALID:
+    short_size: 256
+    target_size: 224
+    num_reader_threads: 12
+    buf_size: 1024
+    batch_size: 32 #128
+    filelist: "./data/dataset/kinetics/val.list"
+
+TEST:
+    short_size: 256
+    target_size: 224
+    num_reader_threads: 12
+    buf_size: 1024
+    batch_size: 64
+    filelist: "./data/dataset/kinetics/test.list"