From dbed1233823b081071752275bbc770125d08fff0 Mon Sep 17 00:00:00 2001
From: Yu Yang <yuyang18@baidu.com>
Date: Tue, 20 Mar 2018 17:08:53 +0800
Subject: [PATCH] Debug

---
 paddle/fluid/framework/parallel_executor.cc | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/paddle/fluid/framework/parallel_executor.cc b/paddle/fluid/framework/parallel_executor.cc
index 31a49575f1..d3e846d10d 100644
--- a/paddle/fluid/framework/parallel_executor.cc
+++ b/paddle/fluid/framework/parallel_executor.cc
@@ -365,8 +365,6 @@ struct NCCLAllReduceOpHandle : public OpHandle {
         auto &p = static_cast<VarHandle *>(in)->place_;
         in->generated_op_->Wait(dev_ctx_[p]);
       }
-      VLOG(3) << "Before NCCL";
-      PADDLE_ENFORCE(cudaDeviceSynchronize());
 
       auto &var_name = static_cast<VarHandle *>(this->inputs_[0])->name_;
       int dtype = -1;
@@ -395,7 +393,6 @@ struct NCCLAllReduceOpHandle : public OpHandle {
             nccl_ctx.comm, nccl_ctx.stream());
       }
       platform::dynload::ncclGroupEnd();
-      PADDLE_ENFORCE(cudaDeviceSynchronize());
     }
   }
 };
-- 
GitLab