remove bwd related commands from cmakelists

example/ck_tile/18_flexattn/CMakeLists.txt

@@ -28,19 +28,9 @@ if(ret AND NOT ret EQUAL 0)
   message( FATAL_ERROR "CK Tile FMHA FAILED to genrate a list of FWD kernels via Python.")
 endif()
 
-execute_process(
-  COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_LIST_DIR}/generate.py
-  --api bwd --list_blobs ${CMAKE_CURRENT_BINARY_DIR}/bwd_blob_list.txt --receipt 3
-  RESULT_VARIABLE ret
-)
-if(ret AND NOT ret EQUAL 0)
-  message( FATAL_ERROR "CK Tile FMHA FAILED to genrate a list of BWD kernels via Python.")
-endif()
-
-# NOTE: for cmake, the FMHA_FWD_GEN_BLOBS/FMHA_BWD_GEN_BLOBS files must be in the same directory
+# NOTE: for cmake, the FMHA_FWD_GEN_BLOBS files must be in the same directory
 #       as current cmake list, otherwise will not figure out the dependency properly
 file(STRINGS ${CMAKE_CURRENT_BINARY_DIR}/fwd_blob_list.txt FMHA_FWD_GEN_BLOBS)
-file(STRINGS ${CMAKE_CURRENT_BINARY_DIR}/bwd_blob_list.txt FMHA_BWD_GEN_BLOBS)
 
 add_custom_command(
   OUTPUT ${FMHA_FWD_GEN_BLOBS}
@@ -48,13 +38,7 @@ add_custom_command(
   --api ${FMHA_FWD_APIS} --output_dir ${CMAKE_CURRENT_BINARY_DIR}
 )
 
-add_custom_command(
-  OUTPUT ${FMHA_BWD_GEN_BLOBS}
-  COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_LIST_DIR}/generate.py
-  --api bwd --output_dir ${CMAKE_CURRENT_BINARY_DIR} --receipt 3
-)
-
-set(EXAMPLE_FMHA_FWD "tile_example_fmha_fwd")
+set(EXAMPLE_FMHA_FWD "tile_example_flexattn_fwd")
 # not using add_example_executable() to add this target, since we don't want this to have
 # to be included in "make all/install/check"
 message("adding example ${EXAMPLE_FMHA_FWD}")
@@ -62,13 +46,6 @@ add_executable(${EXAMPLE_FMHA_FWD} EXCLUDE_FROM_ALL fmha_fwd.cpp)
 target_include_directories(${EXAMPLE_FMHA_FWD} PRIVATE ${CMAKE_CURRENT_LIST_DIR})
 target_sources(${EXAMPLE_FMHA_FWD} PRIVATE ${FMHA_FWD_GEN_BLOBS})
 
-set(EXAMPLE_FMHA_BWD "tile_example_fmha_bwd")
-# not using add_example_executable() to add this target, since we don't want this to have
-# to be included in "make all/install/check"
-message("adding example ${EXAMPLE_FMHA_BWD}")
-add_executable(${EXAMPLE_FMHA_BWD} EXCLUDE_FROM_ALL fmha_bwd.cpp)
-target_include_directories(${EXAMPLE_FMHA_BWD} PRIVATE ${CMAKE_CURRENT_LIST_DIR})
-target_sources(${EXAMPLE_FMHA_BWD} PRIVATE ${FMHA_BWD_GEN_BLOBS})
 
 # NOTE: this is dangerous since will change the whole kernel to flush denormals
 #       WIP with compiler team for an exp2 intrinsic..., then remove this
@@ -77,7 +54,6 @@ if(NOT DEFINED FMHA_FWD_FAST_EXP2)
 endif()
 
 set(EXAMPLE_FMHA_FWD_COMPILE_OPTIONS)
-set(EXAMPLE_FMHA_BWD_COMPILE_OPTIONS)
 
 # NOTE: we turn off undefined-func-template to let source compile without explicit declare function specializations
 #       ... because they are auto-generated
@@ -86,7 +62,6 @@ if(FMHA_FWD_FAST_EXP2)
 else()
 	list(APPEND EXAMPLE_FMHA_FWD_COMPILE_OPTIONS -Wno-undefined-func-template -DCK_TILE_FMHA_FWD_FAST_EXP2=0)
 endif()
-list(APPEND EXAMPLE_FMHA_BWD_COMPILE_OPTIONS -Wno-undefined-func-template -fgpu-flush-denormals-to-zero)
 
 # conditionally enable call to the fwd_splitkv API in fmha_fwd example
 if("fwd_splitkv" IN_LIST FMHA_FWD_ENABLE_APIS)
@@ -104,10 +79,8 @@ endif()
 
 # Allow comparing floating points directly in order to check sentinel values
 list(APPEND EXAMPLE_FMHA_FWD_COMPILE_OPTIONS -Wno-float-equal)
-list(APPEND EXAMPLE_FMHA_BWD_COMPILE_OPTIONS -Wno-float-equal)
 
 target_compile_options(${EXAMPLE_FMHA_FWD} PRIVATE ${EXAMPLE_FMHA_FWD_COMPILE_OPTIONS})
-target_compile_options(${EXAMPLE_FMHA_BWD} PRIVATE ${EXAMPLE_FMHA_BWD_COMPILE_OPTIONS})
 
 # TODO: we have to turn off this global prop, otherwise the progress bar generated
 # by cmake will print too many files, execvp: /bin/sh: Argument list too long