log loss - helpers

examples/run_openai_gpt.py

@@ -100,18 +100,17 @@ def main():
     parser.add_argument('--lm_coef', type=float, default=0.5)
     parser.add_argument('--n_valid', type=int, default=374)
 
-    parser.add_argument('--server_ip', type=str, default='')
-    parser.add_argument('--server_port', type=str, default='')
+    parser.add_argument('--server_ip', type=str, default='', help="Can be used for distant debugging.")
+    parser.add_argument('--server_port', type=str, default='', help="Can be used for distant debugging.")
     args = parser.parse_args()
     print(args)
 
-    # Some distant debugging
-    # See https://code.visualstudio.com/docs/python/debugging#_attach-to-a-local-script
-    import ptvsd
-    print("Waiting for debugger attach")
-    ptvsd.enable_attach(address=(args.server_ip, args.server_port), redirect_output=True)
-    ptvsd.wait_for_attach()
-
+    if args.server_ip and args.server_port:
+        # Distant debugging - see https://code.visualstudio.com/docs/python/debugging#_attach-to-a-local-script
+        import ptvsd
+        print("Waiting for debugger attach")
+        ptvsd.enable_attach(address=(args.server_ip, args.server_port), redirect_output=True)
+        ptvsd.wait_for_attach()
 
     random.seed(args.seed)
     np.random.seed(args.seed)
@@ -192,7 +191,8 @@ def main():
         for _ in trange(int(args.num_train_epochs), desc="Epoch"):
             tr_loss = 0
             nb_tr_examples, nb_tr_steps = 0, 0
-            for step, batch in enumerate(tqdm(train_dataloader, desc="Iteration")):
+            tqdm_bar = tqdm(train_dataloader, desc="Training")
+            for step, batch in enumerate(tqdm_bar):
                 batch = tuple(t.to(device) for t in batch)
                 input_ids, mc_token_mask, lm_labels, mc_labels = batch
                 losses = model(input_ids, mc_token_mask, lm_labels, mc_labels)
@@ -202,6 +202,7 @@ def main():
                 tr_loss += loss.item()
                 nb_tr_examples += input_ids.size(0)
                 nb_tr_steps += 1
+                tqdm_bar.desc = "Training loss: {:e.2}".format(tr_loss/nb_tr_steps)
 
     # Save a trained model
     model_to_save = model.module if hasattr(model, 'module') else model  # Only save the model it-self