!1717 fix bug introduced by gpu support

Merge pull request !1717 from gengdongjie/master

example/resnet101_imagenet2012/config.py

@@ -29,7 +29,7 @@ config = ed({
     "image_height": 224,
     "image_width": 224,
     "save_checkpoint": True,
-    "save_checkpoint_epochs": 1,
+    "save_checkpoint_epochs": 5,
     "keep_checkpoint_max": 10,
     "save_checkpoint_path": "./",
     "warmup_epochs": 0,

example/resnet50_cifar10/config.py

@@ -28,7 +28,7 @@ config = ed({
     "image_height": 224,
     "image_width": 224,
     "save_checkpoint": True,
-    "save_checkpoint_steps": 1950,
+    "save_checkpoint_epochs": 5,
     "keep_checkpoint_max": 10,
     "save_checkpoint_path": "./",
     "warmup_epochs": 5,

example/resnet50_cifar10/train.py

@@ -43,6 +43,8 @@ args_opt = parser.parse_args()
 
 if __name__ == '__main__':
     target = args_opt.device_target
+    ckpt_save_dir = config.save_checkpoint_path
+    context.set_context(mode=context.GRAPH_MODE, device_target=target, save_graphs=False)
     if not args_opt.do_eval and args_opt.run_distribute:
         if target == "Ascend":
             device_id = int(os.getenv('DEVICE_ID'))
@@ -80,13 +82,13 @@ if __name__ == '__main__':
         else:
             loss = SoftmaxCrossEntropyWithLogits(sparse=True, reduction='mean')
             model = Model(net, loss_fn=loss, optimizer=opt, loss_scale_manager=loss_scale, metrics={'acc'},
-                          amp_level="O2", keep_batchnorm_fp32=True)
+                          amp_level="O2", keep_batchnorm_fp32=False)
 
         time_cb = TimeMonitor(data_size=step_size)
         loss_cb = LossMonitor()
         cb = [time_cb, loss_cb]
         if config.save_checkpoint:
-            config_ck = CheckpointConfig(save_checkpoint_steps=config.save_checkpoint_steps,
+            config_ck = CheckpointConfig(save_checkpoint_steps=config.save_checkpoint_epochs*step_size,
                                          keep_checkpoint_max=config.keep_checkpoint_max)
             ckpt_cb = ModelCheckpoint(prefix="resnet", directory=ckpt_save_dir, config=config_ck)
             cb += [ckpt_cb]

example/resnet50_imagenet2012/config.py

@@ -29,7 +29,7 @@ config = ed({
     "image_height": 224,
     "image_width": 224,
     "save_checkpoint": True,
-    "save_checkpoint_epochs": 1,
+    "save_checkpoint_epochs": 5,
     "keep_checkpoint_max": 10,
     "save_checkpoint_path": "./",
     "warmup_epochs": 0,

example/resnet50_imagenet2012/train.py

@@ -46,6 +46,8 @@ args_opt = parser.parse_args()
 
 if __name__ == '__main__':
     target = args_opt.device_target
+    ckpt_save_dir = config.save_checkpoint_path
+    context.set_context(mode=context.GRAPH_MODE, device_target=target, save_graphs=False)
     if not args_opt.do_eval and args_opt.run_distribute:
         if target == "Ascend":
             device_id = int(os.getenv('DEVICE_ID'))