fix reader shuffle

ppcls/data/reader.py

@@ -206,6 +206,8 @@ def mp_reader(params):
     check_params(params)
 
     full_lines = get_file_list(params)
+    if params["mode"] == "train":
+        full_lines = shuffle_lines(full_lines, seed=None)
 
     part_num = 1 if 'num_workers' not in params else params['num_workers']
 
@@ -254,11 +256,10 @@ class Reader:
             self.batch_ops = create_operators(self.params['mix'])
 
     def __call__(self):
-        reader = mp_reader(self.params)
-
         batch_size = int(self.params['batch_size']) // trainers_num
 
         def wrapper():
+            reader = mp_reader(self.params)
             batch = []
             for idx, sample in enumerate(reader()):
                 img, label = sample

ppcls/utils/save_load.py

@@ -106,22 +106,20 @@ def load_params(exe, prog, path, ignore_params=[]):
     fluid.io.set_program_state(prog, state)
 
 
-def init_model(config, program, exe, prefix=""):
+def init_model(config, program, exe):
     """
     load model from checkpoint or pretrained_model
     """
     checkpoints = config.get('checkpoints')
     if checkpoints:
-        path = os.path.join(checkpoints, prefix)
-        fluid.load(program, path, exe)
-        logger.info("Finish initing model from {}".format(path))
+        fluid.load(program, checkpoints, exe)
+        logger.info("Finish initing model from {}".format(checkpoints))
         return
 
     pretrained_model = config.get('pretrained_model')
     if pretrained_model:
-        path = os.path.join(pretrained_model, prefix)
-        load_params(exe, program, path)
-        logger.info("Finish initing model from {}".format(path))
+        load_params(exe, program, pretrained_model)
+        logger.info("Finish initing model from {}".format(pretrained_model))
 
 
 def save_model(program, model_path, epoch_id, prefix='ppcls'):