Add cleanup for process_group

MagicFrogSJTU · Jul 7, 2020 · 050b2a5 · 050b2a5
1 parent 2aa3301
commit 050b2a5
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/train.py b/train.py
@@ -399,6 +399,7 @@ def train(hyp, tb_writer, opt, device):
         if not opt.evolve:
             plot_results()  # save as results.png
         print('%g epochs completed in %.3f hours.\n' % (epoch - start_epoch + 1, (time.time() - t0) / 3600))
+    dist.destroy_process_group() if device.type != 'cpu' and torch.cuda.device_count() > 1 else None
     torch.cuda.empty_cache()
     return results