fix load ckp

ppcls/utils/save_load.py

@@ -106,9 +106,9 @@ def init_model(config, net, optimizer=None):
             "Given dir {}.pdparams not exist.".format(checkpoints)
         assert os.path.exists(checkpoints + ".pdopt"), \
             "Given dir {}.pdopt not exist.".format(checkpoints)
-        para_dict, opti_dict = paddle(checkpoints)
+        para_dict, opti_dict = paddle.load(checkpoints)
         net.set_dict(para_dict)
-        optimizer.set_dict(opti_dict)
+        optimizer.set_state_dict(opti_dict)
         logger.info(
             logger.coloring("Finish initing model from {}".format(checkpoints),
                             "HEADER"))

tools/train.py

@@ -83,9 +83,10 @@ def main(args):
     if config.validate and ParallelEnv().local_rank == 0:
         valid_dataloader = Reader(config, 'valid', places=place)()
 
+    last_epoch_id = config.get("last_epoch", 0)
     best_top1_acc = 0.0  # best top1 acc record
-    best_top1_epoch = 0
-    for epoch_id in range(config.epochs):
+    best_top1_epoch = last_epoch_id
+    for epoch_id in range(last_epoch_id + 1, config.epochs):
         net.train()
         # 1. train with train dataset
         program.run(train_dataloader, config, net, optimizer, lr_scheduler,