Unified attention CK Tile kernel

example/ck_tile/42_unified_attention/CMakeLists.txt

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+# Commented out: FMHA fwd/bwd instance generation and codegen commands not used by unified_attention
+#
+# set(INST_TARGETS ${SUPPORTED_GPU_TARGETS})
+# # Currently only gfx9 archs are supported by FMHA
+# list(FILTER INST_TARGETS INCLUDE REGEX "gfx9")
+# if(NOT INST_TARGETS)
+#   message(WARNING "Skipping Tile Engine FMHA compilation: No supported GPU targets (gfx9) found in SUPPORTED_GPU_TARGETS: ${SUPPORTED_GPU_TARGETS}")
+#   return()
+# endif()
+#
+# # validate user-specified fmha_fwd API list
+# set(FMHA_FWD_KNOWN_APIS "fwd;fwd_splitkv;fwd_appendkv;pagedkv_prefill")
+# set(FMHA_FWD_ENABLE_APIS "fwd" CACHE STRING
+#   "semicolon-separated list of APIs to generate (${FMHA_FWD_KNOWN_APIS}) & link, or \"all\".")
+# if(BUILD_TESTING)
+#   # Build instances of all APIs for tests
+#   set(FMHA_FWD_ENABLE_APIS "all")
+# endif()
+# if(FMHA_FWD_ENABLE_APIS STREQUAL "all")
+#   set(FMHA_FWD_ENABLE_APIS ${FMHA_FWD_KNOWN_APIS})
+# endif()
+#
+# foreach(api ${FMHA_FWD_ENABLE_APIS})
+#   if(NOT "${api}" IN_LIST FMHA_FWD_KNOWN_APIS)
+#     message(FATAL_ERROR "${api} isn't a known api: ${FMHA_FWD_KNOWN_APIS}.")
+#   endif()
+# endforeach()
+#
+# # "fwd" is a must-have api for the fmha_fwd example, add it if not specified
+# if(NOT "fwd" IN_LIST FMHA_FWD_ENABLE_APIS)
+#   list(PREPEND FMHA_FWD_ENABLE_APIS "fwd")
+# endif()
+#
+# file(GLOB_RECURSE CODE_GEN_SCRIPTS CONFIGURE_DEPENDS
+#   ${CMAKE_CURRENT_LIST_DIR}/generate.py
+#   ${CMAKE_CURRENT_LIST_DIR}/codegen/*.py
+# )
+# set_directory_properties(PROPERTIES CMAKE_CONFIGURE_DEPENDS "${CODE_GEN_SCRIPTS}")
+#
+# string(REPLACE ";" "," FMHA_FWD_APIS "${FMHA_FWD_ENABLE_APIS}")
+# set(FMHA_FWD_CODE_GEN_COMMON_ARGS
+#   ${CMAKE_CURRENT_LIST_DIR}/generate.py
+#   --api ${FMHA_FWD_APIS}
+#   --optdim 32,64,128,256
+# )
+# set(FMHA_BWD_CODE_GEN_COMMON_ARGS
+#   ${CMAKE_CURRENT_LIST_DIR}/generate.py
+#   --api bwd
+#   --receipt 3
+#   --optdim 32,64,96,128,256
+# )
+#
+# if(BUILD_TESTING)
+#   list(APPEND FMHA_FWD_CODE_GEN_COMMON_ARGS --filter *_nlogits*_nskip*,*@*_nlogits*_nbias*,*,*_nlogits*_nskip*_pagedkv)
+# endif()
+#
+# execute_process(
+#   COMMAND ${Python3_EXECUTABLE} ${FMHA_FWD_CODE_GEN_COMMON_ARGS}
+#   --list_blobs ${CMAKE_CURRENT_BINARY_DIR}/fwd_blob_list.txt
+#   RESULT_VARIABLE ret
+# )
+# 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} ${FMHA_BWD_CODE_GEN_COMMON_ARGS}
+#   --list_blobs ${CMAKE_CURRENT_BINARY_DIR}/bwd_blob_list.txt
+#   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()
+#
+# 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}
+#   COMMAND ${Python3_EXECUTABLE} ${FMHA_FWD_CODE_GEN_COMMON_ARGS}
+#   --output_dir ${CMAKE_CURRENT_BINARY_DIR}
+#   DEPENDS ${CODE_GEN_SCRIPTS}
+# )
+#
+# add_custom_command(
+#   OUTPUT ${FMHA_BWD_GEN_BLOBS}
+#   COMMAND ${Python3_EXECUTABLE} ${FMHA_BWD_CODE_GEN_COMMON_ARGS}
+#   --output_dir ${CMAKE_CURRENT_BINARY_DIR}
+#   DEPENDS ${CODE_GEN_SCRIPTS}
+# )
+#
+# set(FMHA_FWD_INSTANCES "tile_fmha_fwd_instances")
+# set(FMHA_BWD_INSTANCES "tile_fmha_bwd_instances")
+#
+# message(DEBUG "adding instances ${FMHA_FWD_INSTANCES}")
+# add_library(${FMHA_FWD_INSTANCES} OBJECT EXCLUDE_FROM_ALL)
+# target_include_directories(${FMHA_FWD_INSTANCES} PRIVATE ${CMAKE_CURRENT_LIST_DIR})
+# target_sources(${FMHA_FWD_INSTANCES} PRIVATE ${FMHA_FWD_GEN_BLOBS})
+# set_source_files_properties(${FMHA_FWD_GEN_BLOBS} PROPERTIES LANGUAGE HIP)
+# set_property(TARGET ${FMHA_FWD_INSTANCES} PROPERTY HIP_ARCHITECTURES ${INST_TARGETS})
+#
+# message(DEBUG "adding instances ${FMHA_BWD_INSTANCES}")
+# add_library(${FMHA_BWD_INSTANCES} OBJECT EXCLUDE_FROM_ALL)
+# target_include_directories(${FMHA_BWD_INSTANCES} PRIVATE ${CMAKE_CURRENT_LIST_DIR})
+# target_sources(${FMHA_BWD_INSTANCES} PRIVATE ${FMHA_BWD_GEN_BLOBS})
+# set_source_files_properties(${FMHA_BWD_GEN_BLOBS} PROPERTIES LANGUAGE HIP)
+# set_property(TARGET ${FMHA_BWD_INSTANCES} PROPERTY HIP_ARCHITECTURES ${INST_TARGETS})
+#
+# set(FMHA_FWD_PRIVATE_COMPILE_OPTIONS)
+# set(FMHA_BWD_PRIVATE_COMPILE_OPTIONS)
+# set(FMHA_FWD_INTERFACE_COMPILE_OPTIONS)
+# set(FMHA_BWD_INTERFACE_COMPILE_OPTIONS)
+#
+# list(APPEND FMHA_FWD_PRIVATE_COMPILE_OPTIONS -Wno-undefined-func-template)
+# list(APPEND FMHA_BWD_PRIVATE_COMPILE_OPTIONS -Wno-undefined-func-template)
+#
+# list(APPEND FMHA_FWD_PRIVATE_COMPILE_OPTIONS -Wno-float-equal)
+# list(APPEND FMHA_BWD_PRIVATE_COMPILE_OPTIONS -Wno-float-equal)
+#
+# if(NOT DEFINED FMHA_FWD_FAST_EXP2)
+#   set(FMHA_FWD_FAST_EXP2 ON)
+# endif()
+#
+# if(FMHA_FWD_FAST_EXP2)
+#   list(APPEND FMHA_FWD_PRIVATE_COMPILE_OPTIONS -DCK_TILE_FMHA_FWD_FAST_EXP2=1 -fgpu-flush-denormals-to-zero)
+# else()
+#   list(APPEND FMHA_FWD_PRIVATE_COMPILE_OPTIONS -DCK_TILE_FMHA_FWD_FAST_EXP2=0)
+# endif()
+# list(APPEND FMHA_BWD_PRIVATE_COMPILE_OPTIONS -fgpu-flush-denormals-to-zero)
+#
+# if("fwd_splitkv" IN_LIST FMHA_FWD_ENABLE_APIS)
+#   list(APPEND FMHA_FWD_INTERFACE_COMPILE_OPTIONS -DCK_TILE_FMHA_FWD_SPLITKV_API=1)
+# else()
+#   list(APPEND FMHA_FWD_INTERFACE_COMPILE_OPTIONS -DCK_TILE_FMHA_FWD_SPLITKV_API=0)
+# endif()
+#
+# if("fwd_appendkv" IN_LIST FMHA_FWD_ENABLE_APIS)
+#   list(APPEND FMHA_FWD_INTERFACE_COMPILE_OPTIONS -DCK_TILE_FMHA_FWD_APPENDKV_API=1)
+# else()
+#   list(APPEND FMHA_FWD_INTERFACE_COMPILE_OPTIONS -DCK_TILE_FMHA_FWD_APPENDKV_API=0)
+# endif()
+#
+# if("pagedkv_prefill" IN_LIST FMHA_FWD_ENABLE_APIS)
+#   list(APPEND FMHA_FWD_INTERFACE_COMPILE_OPTIONS -DCK_TILE_FMHA_FWD_PAGEDKV_API=1)
+# else()
+#   list(APPEND FMHA_FWD_INTERFACE_COMPILE_OPTIONS -DCK_TILE_FMHA_FWD_PAGEDKV_API=0)
+# endif()
+#
+# if(CK_USE_OCP_FP8)
+#   list(APPEND FMHA_FWD_PRIVATE_COMPILE_OPTIONS -DCK_TILE_USE_OCP_FP8)
+#   list(APPEND FMHA_FWD_INTERFACE_COMPILE_OPTIONS -DCK_TILE_USE_OCP_FP8)
+# endif()
+#
+# list(APPEND FMHA_BWD_PRIVATE_COMPILE_OPTIONS -DCK_TILE_FLOAT_TO_BFLOAT16_DEFAULT=3)
+# list(APPEND FMHA_BWD_INTERFACE_COMPILE_OPTIONS -DCK_TILE_FLOAT_TO_BFLOAT16_DEFAULT=3)
+#
+# target_compile_options(${FMHA_FWD_INSTANCES}
+#   PRIVATE ${FMHA_FWD_PRIVATE_COMPILE_OPTIONS}
+#   INTERFACE ${FMHA_FWD_INTERFACE_COMPILE_OPTIONS})
+# target_compile_options(${FMHA_BWD_INSTANCES} 
+#   PRIVATE ${FMHA_BWD_PRIVATE_COMPILE_OPTIONS}
+#   INTERFACE ${FMHA_BWD_INTERFACE_COMPILE_OPTIONS})
+#
+# set(EXAMPLE_FMHA_FWD "tile_example_fmha_fwd")
+# set(EXAMPLE_FMHA_BWD "tile_example_fmha_bwd")
+#
+# message(DEBUG "adding example ${EXAMPLE_FMHA_FWD}")
+# add_executable(${EXAMPLE_FMHA_FWD} EXCLUDE_FROM_ALL example_fmha_fwd.cpp)
+# target_link_libraries(${EXAMPLE_FMHA_FWD} ${FMHA_FWD_INSTANCES})
+# target_include_directories(${EXAMPLE_FMHA_FWD} PRIVATE ${CMAKE_CURRENT_LIST_DIR})
+#
+# message(DEBUG "adding example ${EXAMPLE_FMHA_BWD}")
+# add_executable(${EXAMPLE_FMHA_BWD} EXCLUDE_FROM_ALL example_fmha_bwd.cpp)
+# target_link_libraries(${EXAMPLE_FMHA_BWD} ${FMHA_BWD_INSTANCES})
+# target_include_directories(${EXAMPLE_FMHA_BWD} PRIVATE ${CMAKE_CURRENT_LIST_DIR})
+#
+# set_property(GLOBAL PROPERTY RULE_MESSAGES OFF)
+
+# --- Unified Attention target (kept) ---
+
+#
+set(INST_TARGETS ${SUPPORTED_GPU_TARGETS})
+# Currently only gfx9 archs are supported by FMHA
+list(FILTER INST_TARGETS INCLUDE REGEX "gfx9")
+if(NOT INST_TARGETS)
+  message(WARNING "Skipping Tile Engine FMHA compilation: No supported GPU targets (gfx9) found in SUPPORTED_GPU_TARGETS: ${SUPPORTED_GPU_TARGETS}")
+  return()
+endif()
+
+set(EXAMPLE_UNIFIED_ATTENTION "tile_example_unified_attention")
+message(DEBUG "adding example ${EXAMPLE_UNIFIED_ATTENTION}")
+
+add_executable(${EXAMPLE_UNIFIED_ATTENTION} EXCLUDE_FROM_ALL example_unified_attention.cpp)
+target_include_directories(${EXAMPLE_UNIFIED_ATTENTION} PRIVATE ${CMAKE_CURRENT_LIST_DIR})
+file(GLOB UNIFIED_ATTENTION_INSTANCES CONFIGURE_DEPENDS
+  "${CMAKE_CURRENT_LIST_DIR}/instances/*.cpp"
+)
+target_sources(${EXAMPLE_UNIFIED_ATTENTION} PRIVATE
+  unified_attention.cpp
+  ${UNIFIED_ATTENTION_INSTANCES}
+)
+
+set(EXAMPLE_UNIFIED_ATTENTION_COMPILE_OPTIONS)
+list(APPEND EXAMPLE_UNIFIED_ATTENTION_COMPILE_OPTIONS
+  -fgpu-flush-denormals-to-zero
+  -Wno-undefined-func-template
+  --save-temps
+)
+set(EXAMPLE_UNIFIED_ATTENTION_COMPILE_DEFINITIONS)
+
+check_cxx_compiler_flag("-mllvm --amdgpu-disable-packed-fp32=1" HAS_DISABLE_PACKED_FP32)
+if(HAS_DISABLE_PACKED_FP32)
+  list(APPEND EXAMPLE_UNIFIED_ATTENTION_COMPILE_OPTIONS
+  -mllvm --amdgpu-disable-packed-fp32=1
+  )
+  list(APPEND EXAMPLE_UNIFIED_ATTENTION_COMPILE_DEFINITIONS
+  -DCK_TILE_DISABLE_PACKED_FP32=1
+  )
+endif()
+
+target_compile_options(${EXAMPLE_UNIFIED_ATTENTION} PRIVATE ${EXAMPLE_UNIFIED_ATTENTION_COMPILE_OPTIONS})
+target_compile_definitions(${EXAMPLE_UNIFIED_ATTENTION} PRIVATE ${EXAMPLE_UNIFIED_ATTENTION_COMPILE_DEFINITIONS})
+
+# 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
+# however, this property may affect global
+# TODO: consider codegen a makefile by us
+set_property(GLOBAL PROPERTY RULE_MESSAGES OFF)