fix win train bug

ppstructure/vqa/eval_ser.py

@@ -61,7 +61,7 @@ def eval(args):
     eval_dataloader = paddle.io.DataLoader(
         eval_dataset,
         batch_size=args.per_gpu_eval_batch_size,
-        num_workers=0,
+        num_workers=8,
         use_shared_memory=True,
         collate_fn=None, )
 

ppstructure/vqa/train_ser.py

@@ -94,14 +94,14 @@ def train(args):
     train_dataloader = paddle.io.DataLoader(
         train_dataset,
         batch_sampler=train_sampler,
-        num_workers=0,
+        num_workers=8,
         use_shared_memory=True,
         collate_fn=None, )
 
     eval_dataloader = paddle.io.DataLoader(
         eval_dataset,
         batch_size=args.per_gpu_eval_batch_size,
-        num_workers=0,
+        num_workers=8,
         use_shared_memory=True,
         collate_fn=None, )
 

ppstructure/vqa/xfun.py

@@ -79,14 +79,36 @@ class XFUNDataset(Dataset):
 
         self.entities_labels = {'HEADER': 0, 'QUESTION': 1, 'ANSWER': 2}
         self.return_keys = {
-            'bbox': 'np',
-            'input_ids': 'np',
-            'labels': 'np',
-            'attention_mask': 'np',
-            'image': 'np',
-            'token_type_ids': 'np',
-            'entities': 'dict',
-            'relations': 'dict',
+            'bbox': {
+                'type': 'np',
+                'dtype': 'int64'
+            },
+            'input_ids': {
+                'type': 'np',
+                'dtype': 'int64'
+            },
+            'labels': {
+                'type': 'np',
+                'dtype': 'int64'
+            },
+            'attention_mask': {
+                'type': 'np',
+                'dtype': 'int64'
+            },
+            'image': {
+                'type': 'np',
+                'dtype': 'float32'
+            },
+            'token_type_ids': {
+                'type': 'np',
+                'dtype': 'int64'
+            },
+            'entities': {
+                'type': 'dict'
+            },
+            'relations': {
+                'type': 'dict'
+            }
         }
 
         if load_mode == "all":
@@ -412,8 +434,8 @@ class XFUNDataset(Dataset):
         return_data = {}
         for k, v in data.items():
             if k in self.return_keys:
-                if self.return_keys[k] == 'np':
-                    v = np.array(v)
+                if self.return_keys[k]['type'] == 'np':
+                    v = np.array(v, dtype=self.return_keys[k]['dtype'])
                 return_data[k] = v
         return return_data