From 0de6811ee0d54db234906aa77efbc6f17e189c52 Mon Sep 17 00:00:00 2001
From: minqiyang <minqiyang@baidu.com>
Date: Thu, 25 Oct 2018 17:23:22 +0800
Subject: [PATCH] Change reserve to resize

test=develop
---
 paddle/fluid/operators/lookup_table_op.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/paddle/fluid/operators/lookup_table_op.h b/paddle/fluid/operators/lookup_table_op.h
index ba5fb6a25b5..e504c4f0cd5 100644
--- a/paddle/fluid/operators/lookup_table_op.h
+++ b/paddle/fluid/operators/lookup_table_op.h
@@ -114,8 +114,8 @@ class LookupTableGradKernel : public framework::OpKernel<T> {
       int64_t ids_num = ids->numel();
 
       std::vector<int64_t> new_rows;
-      new_rows.reserve(ids_num);
-      std::memcpy(new_rows.data(), ids_data, ids_num * sizeof(int64_t));
+      new_rows.resize(ids_num);
+      std::memcpy(&new_rows[0], ids_data, ids_num * sizeof(int64_t));
       d_table->set_rows(new_rows);
 
       auto *d_table_value = d_table->mutable_value();
-- 
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