From 77cb2d721111790a7536eb8fdefacd05a3c725e9 Mon Sep 17 00:00:00 2001
From: liuhao2638 <2284903223@qq.com>
Date: Fri, 17 Jul 2026 19:16:31 +0800
Subject: [PATCH 1/3] fix flashattn v3 arch guard

---
 cmake/third_party.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/third_party.cmake b/cmake/third_party.cmake
index 70ff374b35ee80..5663a4dcd56ecb 100755
--- a/cmake/third_party.cmake
+++ b/cmake/third_party.cmake
@@ -605,7 +605,7 @@ if(WITH_GPU
   if(${CMAKE_CUDA_COMPILER_VERSION} GREATER_EQUAL 12.3
      AND ${CMAKE_CUDA_COMPILER_VERSION} LESS_EQUAL 13.0)
     foreach(arch ${NVCC_ARCH_BIN})
-      if(${arch} GREATER_EQUAL 90)
+      if(${arch} EQUAL 90)
         set(WITH_FLASHATTN_V3 ON)
         break()
       endif()

From cc9b2417beb9164e890de1743831d37639949a65 Mon Sep 17 00:00:00 2001
From: liuhao2638 <2284903223@qq.com>
Date: Fri, 17 Jul 2026 19:36:32 +0800
Subject: [PATCH 2/3] fix flashattn v3 arch guard

---
 cmake/third_party.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/third_party.cmake b/cmake/third_party.cmake
index 5663a4dcd56ecb..93bcb51106ca30 100755
--- a/cmake/third_party.cmake
+++ b/cmake/third_party.cmake
@@ -605,7 +605,7 @@ if(WITH_GPU
   if(${CMAKE_CUDA_COMPILER_VERSION} GREATER_EQUAL 12.3
      AND ${CMAKE_CUDA_COMPILER_VERSION} LESS_EQUAL 13.0)
     foreach(arch ${NVCC_ARCH_BIN})
-      if(${arch} EQUAL 90)
+      if(${arch} EQUAL 90 AND NOT 100 IN_LIST NVCC_ARCH_BIN)
         set(WITH_FLASHATTN_V3 ON)
         break()
       endif()

From 0c7133e4f0aaa7a12cce0b6e290783cbed832551 Mon Sep 17 00:00:00 2001
From: liuhao2638 <2284903223@qq.com>
Date: Fri, 17 Jul 2026 19:46:05 +0800
Subject: [PATCH 3/3] Apply suggestions from code review

Co-authored-by: risemeup1111 <13125134909@163.com>
---
 cmake/third_party.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/third_party.cmake b/cmake/third_party.cmake
index 93bcb51106ca30..5663a4dcd56ecb 100755
--- a/cmake/third_party.cmake
+++ b/cmake/third_party.cmake
@@ -605,7 +605,7 @@ if(WITH_GPU
   if(${CMAKE_CUDA_COMPILER_VERSION} GREATER_EQUAL 12.3
      AND ${CMAKE_CUDA_COMPILER_VERSION} LESS_EQUAL 13.0)
     foreach(arch ${NVCC_ARCH_BIN})
-      if(${arch} EQUAL 90 AND NOT 100 IN_LIST NVCC_ARCH_BIN)
+      if(${arch} EQUAL 90)
         set(WITH_FLASHATTN_V3 ON)
         break()
       endif()