trans hapi interface of bmn model to paddle2.0

examples/bmn/bmn_metric.py

@@ -20,7 +20,7 @@ import json
 
 sys.path.append('../')
 
-from paddle.incubate.hapi.metrics import Metric
+from paddle.metric import Metric
 from bmn_utils import boundary_choose, bmn_post_processing
 
 
@@ -47,7 +47,7 @@ class BmnMetric(Metric):
             if not os.path.isdir(self.cfg.INFER.result_path):
                 os.makedirs(self.cfg.INFER.result_path)
 
-    def add_metric_op(self, *args):
+    def compute(self, *args):
         if self.mode == 'test':
             # only extract pred_bm, pred_start, pred_en from outputs
             # and video_index from label here

examples/bmn/eval.py

@@ -12,14 +12,13 @@
 #See the License for the specific language governing permissions and
 #limitations under the License.
 
+import paddle
 import argparse
 import os
 import sys
 import logging
 import paddle.fluid as fluid
 
-from paddle.incubate.hapi.model import set_device, Input
-
 from modeling import bmn, BmnLoss
 from bmn_metric import BmnMetric
 from reader import BmnDataset
@@ -78,8 +77,8 @@ def parse_args():
 
 # Performance Evaluation
 def test_bmn(args):
-    device = set_device(args.device)
-    fluid.enable_dygraph(device) if args.dynamic else None
+    device = paddle.set_device(args.device)
+    paddle.disable_static(device) if args.dynamic else None
 
     #config setting
     config = parse_config(args.config_file)
@@ -92,39 +91,22 @@ def test_bmn(args):
     num_sample = config.MODEL.num_sample
     num_sample_perbin = config.MODEL.num_sample_perbin
 
-    #input and video index
-    inputs = [
-        Input(
-            [None, config.MODEL.feat_dim, config.MODEL.tscale],
-            'float32',
-            name='feat_input')
-    ]
-    gt_iou_map = Input(
-        [None, config.MODEL.dscale, config.MODEL.tscale],
-        'float32',
-        name='gt_iou_map')
-    gt_start = Input([None, config.MODEL.tscale], 'float32', name='gt_start')
-    gt_end = Input([None, config.MODEL.tscale], 'float32', name='gt_end')
-    video_idx = Input([None, 1], 'int64', name='video_idx')
-    labels = [gt_iou_map, gt_start, gt_end, video_idx]
-
     #data
     eval_dataset = BmnDataset(eval_cfg, 'test')
 
     #model
     model = bmn(tscale,
                 dscale,
+                feat_dim,
                 prop_boundary_ratio,
                 num_sample,
                 num_sample_perbin,
+                mode='test',
                 pretrained=args.weights is None)
+
     model.prepare(
-        loss_function=BmnLoss(tscale, dscale),
-        metrics=BmnMetric(
-            config, mode='test'),
-        inputs=inputs,
-        labels=labels,
-        device=device)
+        loss=BmnLoss(tscale, dscale), metrics=BmnMetric(
+            config, mode='test'))
 
     #load checkpoint
     if args.weights is not None:

examples/bmn/modeling.py

@@ -12,14 +12,14 @@
 #See the License for the specific language governing permissions and
 #limitations under the License.
 
+import paddle
 import paddle.fluid as fluid
 from paddle.fluid import ParamAttr
 import numpy as np
 import math
 
-from paddle.incubate.hapi.model import Model
-from paddle.incubate.hapi.loss import Loss
-from paddle.incubate.hapi.download import get_weights_path_from_url
+from paddle.static import InputSpec
+from paddle.utils.download import get_weights_path_from_url
 
 __all__ = ["BMN", "BmnLoss", "bmn"]
 
@@ -126,7 +126,7 @@ class Conv1D(fluid.dygraph.Layer):
         return x
 
 
-class BMN(Model):
+class BMN(fluid.dygraph.Layer):
     """BMN model from
     `"BMN: Boundary-Matching Network for Temporal Action Proposal Generation" <https://arxiv.org/abs/1907.09702>`_
 
@@ -288,7 +288,7 @@ class BMN(Model):
         return xp, xs, xe
 
 
-class BmnLoss(Loss):
+class BmnLoss(fluid.dygraph.Layer):
     """Loss for BMN model
 
     Args:
@@ -415,12 +415,14 @@ class BmnLoss(Loss):
         loss = -1 * (loss_pos + loss_neg) / num_entries
         return loss
 
-    def forward(self, outputs, labels):
-        pred_bm, pred_start, pred_end = outputs
-        if len(labels) == 3:
-            gt_iou_map, gt_start, gt_end = labels
-        elif len(labels) == 4:  # video_index used in eval mode
-            gt_iou_map, gt_start, gt_end, video_index = labels
+    def forward(self,
+                pred_bm,
+                pred_start,
+                pred_end,
+                gt_iou_map,
+                gt_start,
+                gt_end,
+                video_index=None):
         pred_bm_reg = fluid.layers.squeeze(
             fluid.layers.slice(
                 pred_bm, axes=[1], starts=[0], ends=[1]),
@@ -443,9 +445,11 @@ class BmnLoss(Loss):
 
 def bmn(tscale,
         dscale,
+        feat_dim,
         prop_boundary_ratio,
         num_sample,
         num_sample_perbin,
+        mode,
         pretrained=True):
     """BMN model
     
@@ -457,8 +461,25 @@ def bmn(tscale,
         num_sample_perbin (int):  number of selected points in each sample, default 3.
         pretrained (bool): If True, returns a model with pre-trained model, default True.
     """
-    model = BMN(tscale, dscale, prop_boundary_ratio, num_sample,
-                num_sample_perbin)
+    inputs = [
+        InputSpec(
+            [None, feat_dim, tscale], 'float32', name='feat_input')
+    ]
+    gt_iou_map = InputSpec(
+        [None, dscale, tscale], 'float32', name='gt_iou_map')
+    gt_start = InputSpec([None, tscale], 'float32', name='gt_start')
+    gt_end = InputSpec([None, tscale], 'float32', name='gt_end')
+    video_idx = InputSpec([None, 1], 'int64', name='video_idx')
+    label_dict = {
+        'train': [gt_iou_map, gt_start, gt_end],
+        'test': [gt_iou_map, gt_start, gt_end, video_idx],
+        'infer': [video_idx]
+    }
+    labels = label_dict[mode]
+
+    net = BMN(tscale, dscale, prop_boundary_ratio, num_sample,
+              num_sample_perbin)
+    model = paddle.Model(net, inputs, labels)
     if pretrained:
         weight_path = get_weights_path_from_url(*(pretrain_infos['bmn']))
         assert weight_path.endswith('.pdparams'), \

examples/bmn/predict.py

@@ -16,10 +16,9 @@ import argparse
 import sys
 import os
 import logging
+import paddle
 import paddle.fluid as fluid
 
-from paddle.incubate.hapi.model import set_device, Input
-
 from modeling import bmn, BmnLoss
 from bmn_metric import BmnMetric
 from reader import BmnDataset
@@ -83,8 +82,8 @@ def parse_args():
 
 # Prediction
 def infer_bmn(args):
-    device = set_device(args.device)
-    fluid.enable_dygraph(device) if args.dynamic else None
+    device = paddle.set_device(args.device)
+    paddle.disable_static(device) if args.dynamic else None
 
     #config setting
     config = parse_config(args.config_file)
@@ -97,31 +96,20 @@ def infer_bmn(args):
     num_sample = config.MODEL.num_sample
     num_sample_perbin = config.MODEL.num_sample_perbin
 
-    #input and video index
-    inputs = [
-        Input(
-            [None, config.MODEL.feat_dim, config.MODEL.tscale],
-            'float32',
-            name='feat_input')
-    ]
-    labels = [Input([None, 1], 'int64', name='video_idx')]
-
     #data
     infer_dataset = BmnDataset(infer_cfg, 'infer')
 
     #model
     model = bmn(tscale,
                 dscale,
+                feat_dim,
                 prop_boundary_ratio,
                 num_sample,
                 num_sample_perbin,
+                mode='infer',
                 pretrained=args.weights is None)
-    model.prepare(
-        metrics=BmnMetric(
-            config, mode='infer'),
-        inputs=inputs,
-        labels=labels,
-        device=device)
+
+    model.prepare(metrics=BmnMetric(config, mode='infer'))
 
     # load checkpoint
     if args.weights is not None:

examples/bmn/reader.py

@@ -21,8 +21,7 @@ import sys
 
 sys.path.append('../')
 
-from paddle.incubate.hapi.distributed import DistributedBatchSampler
-from paddle.io import Dataset, DataLoader
+from paddle.io import Dataset, DataLoader, DistributedBatchSampler
 
 logger = logging.getLogger(__name__)
 

examples/bmn/run.sh

 export CUDA_VISIBLE_DEVICES=0,1,2,3
-python -m paddle.distributed.launch train.py
+
+start_time=$(date +%s)
+
+python -m paddle.distributed.launch train.py -d
+
+end_time=$(date +%s)
+cost_time=$[ $end_time-$start_time ]
+echo "4 card static training time is $(($cost_time/60))min $(($cost_time%60))s"

examples/bmn/train.py

@@ -12,14 +12,13 @@
 #See the License for the specific language governing permissions and
 #limitations under the License.
 
+import paddle
 import paddle.fluid as fluid
 import argparse
 import logging
 import sys
 import os
 
-from paddle.incubate.hapi.model import set_device, Input
-
 from reader import BmnDataset
 from config_utils import *
 from modeling import bmn, BmnLoss
@@ -104,8 +103,8 @@ def optimizer(cfg, parameter_list):
 
 # TRAIN
 def train_bmn(args):
-    device = set_device(args.device)
-    fluid.enable_dygraph(device) if args.dynamic else None
+    device = paddle.set_device(args.device)
+    paddle.disable_static(device) if args.dynamic else None
 
     if not os.path.isdir(args.save_dir):
         os.makedirs(args.save_dir)
@@ -122,13 +121,6 @@ def train_bmn(args):
     num_sample = config.MODEL.num_sample
     num_sample_perbin = config.MODEL.num_sample_perbin
 
-    # input and label list
-    inputs = [Input([None, feat_dim, tscale], 'float32', name='feat_input')]
-    gt_iou_map = Input([None, dscale, tscale], 'float32', name='gt_iou_map')
-    gt_start = Input([None, tscale], 'float32', name='gt_start')
-    gt_end = Input([None, tscale], 'float32', name='gt_end')
-    labels = [gt_iou_map, gt_start, gt_end]
-
     # data
     train_dataset = BmnDataset(train_cfg, 'train')
     val_dataset = BmnDataset(val_cfg, 'valid')
@@ -136,17 +128,14 @@ def train_bmn(args):
     # model
     model = bmn(tscale,
                 dscale,
+                feat_dim,
                 prop_boundary_ratio,
                 num_sample,
                 num_sample_perbin,
+                mode='train',
                 pretrained=False)
     optim = optimizer(config, parameter_list=model.parameters())
-    model.prepare(
-        optimizer=optim,
-        loss_function=BmnLoss(tscale, dscale),
-        inputs=inputs,
-        labels=labels,
-        device=device)
+    model.prepare(optimizer=optim, loss=BmnLoss(tscale, dscale))
 
     # if resume weights is given, load resume weights directly
     if args.resume is not None: