From 9a25f2895cf1b9e65542442a5f3fed666b52b37a Mon Sep 17 00:00:00 2001
From: tensor-tang <tangjian03@baidu.com>
Date: Tue, 19 Jun 2018 11:40:32 +0800
Subject: [PATCH] update the default cpu memory with MKLDNN

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

diff --git a/paddle/fluid/platform/cpu_info.cc b/paddle/fluid/platform/cpu_info.cc
index c708337f8f4..f832d72b53e 100644
--- a/paddle/fluid/platform/cpu_info.cc
+++ b/paddle/fluid/platform/cpu_info.cc
@@ -30,7 +30,9 @@ DEFINE_double(fraction_of_cpu_memory_to_use, 1,
 
 DEFINE_uint64(initial_cpu_memory_in_mb,
 #ifdef PADDLE_WITH_MKLDNN
-              1000,
+              /* Aligned with mozga-intel, MKLDNN need at least 5000 MB
+               * to obtain the best performance*/
+              5000,
 #else
               500,
 #endif
-- 
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