Fix tr_loss rescaling factor using global_step

examples/run_classifier.py

@@ -845,7 +845,7 @@ def main():
                 else:
                     loss.backward()
 
-                tr_loss += loss.item() * args.gradient_accumulation_steps
+                tr_loss += loss.item()
                 nb_tr_examples += input_ids.size(0)
                 nb_tr_steps += 1
                 if (step + 1) % args.gradient_accumulation_steps == 0:
@@ -936,7 +936,7 @@ def main():
         elif output_mode == "regression":
             preds = np.squeeze(preds)
         result = compute_metrics(task_name, preds, all_label_ids.numpy())
-        loss = tr_loss/nb_tr_steps if args.do_train else None
+        loss = tr_loss/global_step if args.do_train else None
 
         result['eval_loss'] = eval_loss
         result['global_step'] = global_step
@@ -1004,7 +1004,7 @@ def main():
             preds = preds[0]
             preds = np.argmax(preds, axis=1)
             result = compute_metrics(task_name, preds, all_label_ids.numpy())
-            loss = tr_loss/nb_tr_steps if args.do_train else None
+            loss = tr_loss/global_step if args.do_train else None
 
             result['eval_loss'] = eval_loss
             result['global_step'] = global_step

examples/run_swag.py

@@ -452,7 +452,7 @@ def main():
                     loss = loss * args.loss_scale
                 if args.gradient_accumulation_steps > 1:
                     loss = loss / args.gradient_accumulation_steps
-                tr_loss += loss.item() * args.gradient_accumulation_steps
+                tr_loss += loss.item()
                 nb_tr_examples += input_ids.size(0)
                 nb_tr_steps += 1
 
@@ -537,7 +537,7 @@ def main():
         result = {'eval_loss': eval_loss,
                   'eval_accuracy': eval_accuracy,
                   'global_step': global_step,
-                  'loss': tr_loss/nb_tr_steps}
+                  'loss': tr_loss/global_step}
 
         output_eval_file = os.path.join(args.output_dir, "eval_results.txt")
         with open(output_eval_file, "w") as writer: