[MLU]adapt mlu device for running dbnet network

configs/det/det_mv3_db.yml

 Global:
   use_gpu: true
   use_xpu: false
+  use_mlu: false
   epoch_num: 1200
   log_smooth_window: 20
   print_batch_step: 10

tools/program.py

@@ -114,7 +114,7 @@ def merge_config(config, opts):
     return config
 
 
-def check_device(use_gpu, use_xpu=False, use_npu=False):
+def check_device(use_gpu, use_xpu=False, use_npu=False, use_mlu=False):
     """
     Log error and exit when set use_gpu=true in paddlepaddle
     cpu version.
@@ -137,6 +137,9 @@ def check_device(use_gpu, use_xpu=False, use_npu=False):
         if use_npu and not paddle.device.is_compiled_with_npu():
             print(err.format("use_npu", "npu", "npu", "use_npu"))
             sys.exit(1)
+        if use_mlu and not paddle.device.is_compiled_with_mlu():
+            print(err.format("use_mlu", "mlu", "mlu", "use_mlu"))
+            sys.exit(1)
     except Exception as e:
         pass
 
@@ -618,6 +621,7 @@ def preprocess(is_train=False):
     use_gpu = config['Global'].get('use_gpu', False)
     use_xpu = config['Global'].get('use_xpu', False)
     use_npu = config['Global'].get('use_npu', False)
+    use_mlu = config['Global'].get('use_mlu', False)
 
     alg = config['Architecture']['algorithm']
     assert alg in [
@@ -632,10 +636,12 @@ def preprocess(is_train=False):
         device = 'xpu:{0}'.format(os.getenv('FLAGS_selected_xpus', 0))
     elif use_npu:
         device = 'npu:{0}'.format(os.getenv('FLAGS_selected_npus', 0))
+    elif use_mlu:
+        device = 'mlu:{0}'.format(os.getenv('FLAGS_selected_mlus', 0))
     else:
         device = 'gpu:{}'.format(dist.ParallelEnv()
                                  .dev_id) if use_gpu else 'cpu'
-    check_device(use_gpu, use_xpu, use_npu)
+    check_device(use_gpu, use_xpu, use_npu, use_mlu)
 
     device = paddle.set_device(device)
 

tools/train.py

@@ -149,10 +149,11 @@ def main(config, device, logger, vdl_writer):
     amp_level = config["Global"].get("amp_level", 'O2')
     amp_custom_black_list = config['Global'].get('amp_custom_black_list', [])
     if use_amp:
-        AMP_RELATED_FLAGS_SETTING = {
-            'FLAGS_cudnn_batchnorm_spatial_persistent': 1,
-            'FLAGS_max_inplace_grad_add': 8,
-        }
+        AMP_RELATED_FLAGS_SETTING = {'FLAGS_max_inplace_grad_add': 8, }
+        if paddle.is_compiled_with_cuda():
+            AMP_RELATED_FLAGS_SETTING.update({
+                'FLAGS_cudnn_batchnorm_spatial_persistent': 1
+            })
         paddle.fluid.set_flags(AMP_RELATED_FLAGS_SETTING)
         scale_loss = config["Global"].get("scale_loss", 1.0)
         use_dynamic_loss_scaling = config["Global"].get(