From c2e20e2a29c7fd451b4d4d535e061be7231dbcf5 Mon Sep 17 00:00:00 2001
From: songhao <songhao9021@gmail.com>
Date: Tue, 7 May 2019 13:57:30 +0800
Subject: [PATCH] fix build warning like 'comparison between signed and
 unsigned (#17240)

integer', test=develop
---
 paddle/fluid/framework/parallel_executor.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/fluid/framework/parallel_executor.cc b/paddle/fluid/framework/parallel_executor.cc
index c4bf2b7e8c0..33fdc333625 100644
--- a/paddle/fluid/framework/parallel_executor.cc
+++ b/paddle/fluid/framework/parallel_executor.cc
@@ -333,7 +333,7 @@ ParallelExecutor::ParallelExecutor(const std::vector<platform::Place> &places,
     graph = build_strategy.Apply(graph, {member_->places_[0]}, loss_var_name,
                                  {member_->local_scopes_[0]}, 1,
                                  member_->use_cuda_);
-    for (int i = 1; i < member_->places_.size(); ++i) {
+    for (size_t i = 1; i < member_->places_.size(); ++i) {
       graphs[i] = build_strategy.Apply(
           graphs[i], {member_->places_[i]}, loss_var_name,
           {member_->local_scopes_[i]}, 1, member_->use_cuda_);
-- 
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