From b8029fd650f635a60e773ad57d2b6df522772a86 Mon Sep 17 00:00:00 2001
From: yuyang18 <reyoung@126.com>
Date: Mon, 20 Aug 2018 10:10:23 +0800
Subject: [PATCH] Follow comments

---
 .../details/fast_threaded_ssa_graph_executor.cc      | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/paddle/fluid/framework/details/fast_threaded_ssa_graph_executor.cc b/paddle/fluid/framework/details/fast_threaded_ssa_graph_executor.cc
index 227a366f22..7606f2bc06 100644
--- a/paddle/fluid/framework/details/fast_threaded_ssa_graph_executor.cc
+++ b/paddle/fluid/framework/details/fast_threaded_ssa_graph_executor.cc
@@ -101,9 +101,15 @@ FeedFetchList FastThreadedSSAGraphExecutor::Run(
   while (num_complete != op_deps->size()) {
     size_t num_comp = complete_q.Pop();
     if (num_comp == -1UL) {
-      int remaining = remaining_;
-      for (int i = 0; i < remaining; ++i) {
-        complete_q.Pop();
+      int remaining = 0;
+      while (true) {
+        remaining = remaining_;
+        if (remaining == 0) {
+          break;
+        }
+        for (int i = 0; i < remaining; ++i) {
+          complete_q.Pop();
+        }
       }
       exception_.ReThrow();
     }
-- 
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