From e18a2697054f02d87d1289f7feed1081cf3599c3 Mon Sep 17 00:00:00 2001
From: Yu Yang <yuyang18@baidu.com>
Date: Mon, 19 Mar 2018 15:08:09 +0800
Subject: [PATCH] Add debug code

---
 paddle/fluid/framework/parallel_executor.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/paddle/fluid/framework/parallel_executor.cc b/paddle/fluid/framework/parallel_executor.cc
index cfaa2dbd1f8..b3bf2b8fb67 100644
--- a/paddle/fluid/framework/parallel_executor.cc
+++ b/paddle/fluid/framework/parallel_executor.cc
@@ -46,6 +46,8 @@ struct VarHandle : public VarHandleBase {
     return ss.str();
   }
 
+  // version field currently is not used, however, just store the version to
+  // debug easily.
   size_t version_;
   std::string name_;
   platform::Place place_;
@@ -742,7 +744,7 @@ void ParallelExecutor::RunOp(
 
   auto op_run = [ready_buffer, op, this] {
     try {
-      // TODO(yy) Check Previous Op has same dev ctx.
+      VLOG(10) << op->DebugString();
       op->Run();
       for (auto *ready : ready_buffer) {
         *ready = true;
-- 
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