fix bug at sync with communicator (#23077)

5 years ago · 853f2e5272
parent 121b2aed4d
commit 853f2e5272
1 changed files with 1 additions and 1 deletions
--- a/python/paddle/fluid/transpiler/distribute_transpiler.py
+++ b/python/paddle/fluid/transpiler/distribute_transpiler.py
@ -730,7 +730,7 @@ WIKI: https://github.com/PaddlePaddle/Fleet/blob/develop/markdown_doc/transpiler
                ]
                sections = self._get_splited_var_sections(splited_vars)

-                if self.config.completely_not_async:
+                if self.config.completely_not_async and self.trainer_num > 1:
                    send_varnames = [
                        "{}.trainer_{}".format(var.name, self.trainer_id)
                        for var in splited_vars