From 49a45f71a70d7abbd00d4623c1ed4343ebb7f5dc Mon Sep 17 00:00:00 2001
From: Yuang Liu <liuyuang@baidu.com>
Date: Wed, 14 Jun 2023 14:22:32 +0800
Subject: [PATCH] update flash attn select (#54630)

---
 python/paddle/nn/functional/flash_attention.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/paddle/nn/functional/flash_attention.py b/python/paddle/nn/functional/flash_attention.py
index b0b60f6ab4f..178e3ebc90f 100644
--- a/python/paddle/nn/functional/flash_attention.py
+++ b/python/paddle/nn/functional/flash_attention.py
@@ -81,7 +81,7 @@ def _math_attention(
 
 
 def _select_sdp_cuda(head_dim):
-    if head_dim < 128:
+    if head_dim <= 128:
         return "flash_attn"
     else:
         return "mem_efficient"
-- 
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