Merge pull request #6133 from andyjpaddle/dygraph

fix pact train for freezed  param

deploy/slim/quantization/quant.py

@@ -161,7 +161,13 @@ def main(config, device, logger, vdl_writer):
     if config["Global"]["pretrained_model"] is not None:
         pre_best_model_dict = load_model(config, model)
 
-    quanter = QAT(config=quant_config, act_preprocess=PACT)
+    freeze_params = False
+    if config['Architecture']["algorithm"] in ["Distillation"]:
+        for key in config['Architecture']["Models"]:
+            freeze_params = freeze_params or config['Architecture']['Models'][
+                key].get('freeze_params', False)
+    act = None if freeze_params else PACT
+    quanter = QAT(config=quant_config, act_preprocess=act)
     quanter.quantize(model)
 
     if config['Global']['distributed']: