From bf0ef606ed5bf7d0ae7de8d65d945f9011046091 Mon Sep 17 00:00:00 2001
From: zhaoyingli <86812880+zhaoyinglia@users.noreply.github.com>
Date: Tue, 15 Aug 2023 11:45:22 +0800
Subject: [PATCH] disable fast_layer_norm (#56263)

---
 paddle/phi/kernels/gpu/layer_norm_kernel.cu | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/phi/kernels/gpu/layer_norm_kernel.cu b/paddle/phi/kernels/gpu/layer_norm_kernel.cu
index c5bb0c288f2..9ba6dfd4235 100644
--- a/paddle/phi/kernels/gpu/layer_norm_kernel.cu
+++ b/paddle/phi/kernels/gpu/layer_norm_kernel.cu
@@ -606,7 +606,7 @@ void LayerNormKernel(const Context &dev_ctx,
   if ((feature_size >= 768 && feature_size <= 2048 && feature_size % 256 == 0 ||
        feature_size == 4096) &&
       scale != nullptr && bias != nullptr) {
-    can_call_fast_kernel = true;
+    can_call_fast_kernel = false;
   }
 
   if (can_call_fast_kernel) {
-- 
GitLab