From ba157929e5ff15b69b18aa19cc1ab71c8fdb64bf Mon Sep 17 00:00:00 2001
From: wanghuancoder <wanghuan29@baidu.com>
Date: Fri, 27 May 2022 15:14:02 +0800
Subject: [PATCH] cast no need buffer (#42999)

---
 python/paddle/utils/code_gen/backward.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/python/paddle/utils/code_gen/backward.yaml b/python/paddle/utils/code_gen/backward.yaml
index 81c211e6407..360425a30cc 100644
--- a/python/paddle/utils/code_gen/backward.yaml
+++ b/python/paddle/utils/code_gen/backward.yaml
@@ -229,6 +229,7 @@
   kernel :
     func : cast_grad
     data_type : out_grad
+  no_need_buffer : x
 
 - backward_api : ceil_grad
   forward : ceil(Tensor x) -> Tensor(out)
-- 
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