Fix order of SyncBN for ddp_spawn

Lightning-AI · Apr 5, 2021 · 9b4a71d · 9b4a71d
1 parent a168079
commit 9b4a71d
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/pytorch_lightning/plugins/training_type/ddp_spawn.py b/pytorch_lightning/plugins/training_type/ddp_spawn.py
@@ -141,12 +141,12 @@ def new_process(self, process_idx, trainer, mp_queue):
         self.dist.rank = self.global_rank
         self.dist.device = self.root_device
 
-        if self.sync_batchnorm:
-            self.model = self.configure_sync_batchnorm(self.model)
-
         # move the model to the correct device
         self.model_to_device()
 
+        if self.sync_batchnorm:
+            self.model = self.configure_sync_batchnorm(self.model)
+
         self.configure_ddp()
 
         self.barrier()