From 1dd7b97b66078daf133da69e6c611951c98694b2 Mon Sep 17 00:00:00 2001
From: Jack Zhou <zhoushunjie@baidu.com>
Date: Mon, 7 Dec 2020 15:47:59 +0800
Subject: [PATCH] fix rnn_op bug in cudnn_version>= 8 (#29406)

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

diff --git a/paddle/fluid/platform/cudnn_helper.h b/paddle/fluid/platform/cudnn_helper.h
index e591852cc9..af0df2efc5 100644
--- a/paddle/fluid/platform/cudnn_helper.h
+++ b/paddle/fluid/platform/cudnn_helper.h
@@ -314,7 +314,7 @@ class ScopedRNNTensorDescriptor {
   inline cudnnRNNDataDescriptor_t descriptor(
       const cudnnDataType_t cudnn_type, int max_seq_length, int batch_size,
       int input_size, bool time_major, const std::vector<int>& seq_length) {
-    static float padding_fill = 0.0f;
+    static double padding_fill = 0.0f;
     cudnnRNNDataLayout_t layout;
 
     if (time_major) {
-- 
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