add threads in thread pool for CPU (#12475)

7 years ago · 7a495a5871
parent 819ac3df0a
commit 7a495a5871
1 changed files with 1 additions and 1 deletions
--- a/python/paddle/fluid/parallel_executor.py
+++ b/python/paddle/fluid/parallel_executor.py
@ -121,7 +121,7 @@ class ParallelExecutor(object):
            else:
                cpu_num = int(
                    os.environ.get('CPU_NUM', multiprocessing.cpu_count()))
-                exec_strategy.num_threads = cpu_num
+                exec_strategy.num_threads = cpu_num * 2

        if build_strategy is None:
            build_strategy = BuildStrategy()