add update (#36017)

PaddlePaddle · Sep 24, 2021 · 1691dc7 · 1691dc7
1 parent 82f255d
commit 1691dc7
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diff --git a/python/paddle/distributed/fleet/meta_parallel/pipeline_parallel.py b/python/paddle/distributed/fleet/meta_parallel/pipeline_parallel.py
@@ -329,6 +329,7 @@ def _broadcast_final_loss(self):
     def _optimizer_step(self):
         if self.scaler:
             self.scaler.step(self.optimizer)
+            self.scaler.update()
         else:
             self.optimizer.step()
 

diff --git a/python/paddle/fluid/tests/unittests/hybrid_parallel_mp_amp.py b/python/paddle/fluid/tests/unittests/hybrid_parallel_mp_amp.py
@@ -48,6 +48,7 @@ def train_batch(self, batch, model, optimizer, is_mp):
         scaled.backward()  # do backward
 
         scaler.step(optimizer)  # update parameters
+        scaler.update()
         optimizer.clear_grad()
         return scaled