From 32b1151f5ee37c51663737a383ad44f54ff2698c Mon Sep 17 00:00:00 2001
From: Zeng Jinle <32832641+sneaxiy@users.noreply.github.com>
Date: Mon, 16 Sep 2019 11:08:38 +0800
Subject: [PATCH] reduce default value of cudnn workspace size, test=develop
 (#19780)

---
 paddle/fluid/platform/cudnn_workspace_helper.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/fluid/platform/cudnn_workspace_helper.h b/paddle/fluid/platform/cudnn_workspace_helper.h
index 58f76e3128..29abdc72e2 100644
--- a/paddle/fluid/platform/cudnn_workspace_helper.h
+++ b/paddle/fluid/platform/cudnn_workspace_helper.h
@@ -17,7 +17,7 @@
 namespace paddle {
 namespace platform {
 
-static constexpr int kDefaultConvWorkspaceSizeLimitMB = 4096;
+static constexpr int kDefaultConvWorkspaceSizeLimitMB = 512;
 
 }  // namespace platform
 }  // namespace paddle