diff '--color=auto' -ur pytorch-v2.13.0.orig/caffe2/CMakeLists.txt pytorch-v2.13.0/caffe2/CMakeLists.txt
--- pytorch-v2.13.0.orig/caffe2/CMakeLists.txt	2026-07-08 20:53:23.704816367 +0200
+++ pytorch-v2.13.0/caffe2/CMakeLists.txt	2026-07-08 20:55:10.217549263 +0200
@@ -944,7 +944,7 @@
   # Use CXX linker (clang-cl) which handles MSVC-style link flags natively.
   # HIP device code is compiled with -fno-gpu-rdc so no device link step needed.
   set_target_properties(torch_hip PROPERTIES LINKER_LANGUAGE CXX)
-  if(USE_FLASH_ATTENTION OR USE_MEM_EFF_ATTENTION)
+  if(USE_FLASH_ATTENTION)
     target_link_libraries(torch_hip PRIVATE __caffe2_aotriton)
   endif()
   set(CUDA_LINK_LIBRARIES_KEYWORD)
diff '--color=auto' -ur pytorch-v2.13.0.orig/cmake/External/aotriton.cmake pytorch-v2.13.0/cmake/External/aotriton.cmake
--- pytorch-v2.13.0.orig/cmake/External/aotriton.cmake	2026-07-08 20:53:23.315306949 +0200
+++ pytorch-v2.13.0/cmake/External/aotriton.cmake	2026-07-08 20:55:55.265436295 +0200
@@ -240,10 +240,6 @@
 
   # Note it is INSTALL"ED"
   if(DEFINED ENV{AOTRITON_INSTALLED_PREFIX})
-    install(DIRECTORY
-            $ENV{AOTRITON_INSTALLED_PREFIX}/${CMAKE_INSTALL_LIBDIR}
-            $ENV{AOTRITON_INSTALLED_PREFIX}/include
-            DESTINATION ${__AOTRITON_INSTALL_DIR})
     set(__AOTRITON_INSTALL_DIR "$ENV{AOTRITON_INSTALLED_PREFIX}")
     message(STATUS "Using Preinstalled AOTriton at ${__AOTRITON_INSTALL_DIR}")
   elseif(DEFINED ENV{AOTRITON_INSTALL_FROM_SOURCE})