From e53b6aba63a1635b137a57b15410f2eeda180e8e Mon Sep 17 00:00:00 2001
From: Yu Yang <yuyang18@baidu.com>
Date: Tue, 20 Mar 2018 17:06:41 +0800
Subject: [PATCH] Use no thread

---
 paddle/fluid/framework/parallel_executor.cc | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/paddle/fluid/framework/parallel_executor.cc b/paddle/fluid/framework/parallel_executor.cc
index e0b75b234..31a49575f 100644
--- a/paddle/fluid/framework/parallel_executor.cc
+++ b/paddle/fluid/framework/parallel_executor.cc
@@ -109,7 +109,6 @@ struct OpHandle {
 
   virtual void Wait(platform::DeviceContext *waited_dev) {
     if (platform::is_cpu_place(waited_dev->GetPlace()) || events_.empty()) {
-      VLOG(4) << "I am here";
       for (auto &dev_ctx : dev_ctx_) {
         dev_ctx.second->Wait();
       }
@@ -255,7 +254,7 @@ struct FetchOpHandle : public OpHandle {
 
 class ParallelExecutorPrivate {
  public:
-  explicit ParallelExecutorPrivate(size_t num_threads = 12)
+  explicit ParallelExecutorPrivate(size_t num_threads = 0)
       : pool_(num_threads == 0 ? nullptr : new ThreadPool(num_threads)) {}
 
   std::vector<platform::Place> places_;
@@ -397,8 +396,6 @@ struct NCCLAllReduceOpHandle : public OpHandle {
       }
       platform::dynload::ncclGroupEnd();
       PADDLE_ENFORCE(cudaDeviceSynchronize());
-
-      VLOG(3) << "After NCCL";
     }
   }
 };
-- 
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