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1c2b6100 · Yu Yang · a0494f8e · 1c2b6100
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paddle/fluid/framework/parallel_executor.cc paddle/fluid/framework/parallel_executor.cc +1 -1

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--- a/paddle/fluid/framework/parallel_executor.cc
+++ b/paddle/fluid/framework/parallel_executor.cc
@@ -251,7 +251,7 @@ struct FetchOpHandle : public OpHandle {
 class ParallelExecutorPrivate {
 public:
-  explicit ParallelExecutorPrivate(size_t num_threads = 0)
+  explicit ParallelExecutorPrivate(size_t num_threads = 12)
      : pool_(num_threads == 0 ? nullptr : new ThreadPool(num_threads)) {}
  std::vector<platform::Place> places_;