Files
2026-07-13 12:40:42 +08:00

335 lines
13 KiB
CMake

# Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
include(ExternalProject)
if(WITH_ROCM)
add_definitions(-DPADDLE_WITH_FLASHATTN)
set(FA_REPOSITORY https://github.com/PaddlePaddle/flash-attention.git)
set(FA_TAG "dcu")
set(FLASHATTN_PREFIX_DIR ${THIRD_PARTY_PATH}/flashattn_hip)
set(FLASHATTN_INSTALL_DIR ${THIRD_PARTY_PATH}/install/flashattn)
set(SOURCE_DIR ${PADDLE_SOURCE_DIR}/third_party/flashattn_hip)
set(FLASHATTN_INCLUDE_DIR
"${FLASHATTN_INSTALL_DIR}/include"
CACHE PATH "flash-attn Directory" FORCE)
set(FLASHATTN_LIB_DIR
"${FLASHATTN_INSTALL_DIR}/lib"
CACHE PATH "flash-attn Library Directory" FORCE)
set(FLASHATTN_LIBRARIES
"${FLASHATTN_INSTALL_DIR}/lib/libflashattn${CMAKE_SHARED_LIBRARY_SUFFIX}"
CACHE FILEPATH "flash-attn Library" FORCE)
set(FA_BUILD_DIR "${FLASHATTN_PREFIX_DIR}/src/extern_flashattn-build/")
ExternalProject_Add(
extern_flashattn
GIT_REPOSITORY ${FA_REPOSITORY}
GIT_TAG ${FA_TAG}
SOURCE_DIR ${SOURCE_DIR}
CONFIGURE_COMMAND ""
BUILD_COMMAND ""
INSTALL_COMMAND ""
LOG_DOWNLOAD ON)
add_custom_command(
TARGET extern_flashattn
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E make_directory ${FLASHATTN_INCLUDE_DIR}
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${SOURCE_DIR}/flash_attn.h"
${FLASHATTN_INCLUDE_DIR}/
COMMAND ${CMAKE_COMMAND} -E make_directory ${FA_BUILD_DIR}
COMMAND ${CMAKE_COMMAND} -E copy_if_different
"${SOURCE_DIR}/libflashattn.so" ${FA_BUILD_DIR}/
COMMAND ${CMAKE_COMMAND} -E make_directory ${FLASHATTN_LIB_DIR}
COMMAND ${CMAKE_COMMAND} -E copy_if_different
"${SOURCE_DIR}/libflashattn.so" ${FLASHATTN_LIB_DIR}/)
else()
add_definitions(-DPADDLE_WITH_FLASHATTN)
option(FA_BUILD_WITH_CACHE "Download cache so files from bos" ON)
set(FLASHATTN_PREFIX_DIR ${THIRD_PARTY_PATH}/flashattn)
set(FLASHATTN_SOURCE_SUBDIR csrc)
set(FLASHATTN_INSTALL_DIR ${THIRD_PARTY_PATH}/install/flashattn)
set(SOURCE_DIR ${PADDLE_SOURCE_DIR}/third_party/flashattn)
# get FA git commit
execute_process(
COMMAND git rev-parse HEAD
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE FLASHATTN_TAG
OUTPUT_STRIP_TRAILING_WHITESPACE)
message(STATUS "flashattn git commit: ${FLASHATTN_TAG}")
set(FLASHATTN_INCLUDE_DIR
"${FLASHATTN_INSTALL_DIR}/include"
CACHE PATH "flash-attn Directory" FORCE)
set(FLASHATTN_LIB_DIR
"${FLASHATTN_INSTALL_DIR}/lib"
CACHE PATH "flash-attn Library Directory" FORCE)
if(WIN32)
set(FLASHATTN_LIBRARIES
"${FLASHATTN_INSTALL_DIR}/bin/flashattn${CMAKE_SHARED_LIBRARY_SUFFIX}"
CACHE FILEPATH "flash-attn Library" FORCE)
if(WITH_FLASHATTN_V3)
set(FLASHATTN_V3_LIBRARIES
"${FLASHATTN_INSTALL_DIR}/bin/libflashattnv3${CMAKE_SHARED_LIBRARY_SUFFIX}"
CACHE FILEPATH "flash-attn Library" FORCE)
set(FLASHMASK_V2_LIBRARIES
"${FLASHATTN_INSTALL_DIR}/bin/libflashmaskv2${CMAKE_SHARED_LIBRARY_SUFFIX}"
CACHE FILEPATH "flash-attn Library" FORCE)
endif()
else()
set(FLASHATTN_LIBRARIES
"${FLASHATTN_INSTALL_DIR}/lib/libflashattn${CMAKE_SHARED_LIBRARY_SUFFIX}"
CACHE FILEPATH "flash-attn Library" FORCE)
if(WITH_FLASHATTN_V3)
set(FLASHATTN_V3_LIBRARIES
"${FLASHATTN_INSTALL_DIR}/lib/libflashattnv3${CMAKE_SHARED_LIBRARY_SUFFIX}"
CACHE FILEPATH "flash-attn Library" FORCE)
set(FLASHMASK_V2_LIBRARIES
"${FLASHATTN_INSTALL_DIR}/lib/libflashmaskv2${CMAKE_SHARED_LIBRARY_SUFFIX}"
CACHE FILEPATH "flash-attn Library" FORCE)
endif()
endif()
set(BUILD_BYPRODUCTS_LIST ${FLASHATTN_LIBRARIES})
if(WITH_FLASHATTN_V3)
add_definitions(-DPADDLE_WITH_FLASHATTN_V3)
list(APPEND BUILD_BYPRODUCTS_LIST ${FLASHATTN_V3_LIBRARIES})
list(APPEND BUILD_BYPRODUCTS_LIST ${FLASHMASK_V2_LIBRARIES})
endif()
if(NOT DEFINED FA_JOB_POOLS_COMPILE)
set(FA_JOB_POOLS_COMPILE 4)
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang"
OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
OR WIN32)
set(USE_OMP OFF)
else()
set(USE_OMP ON)
endif()
if(WIN32)
set(FLASHATTN_C_FLAGS $<FILTER:${CMAKE_C_FLAGS},EXCLUDE,/Zc:inline>)
set(FLASHATTN_C_FLAGS_DEBUG
$<FILTER:${CMAKE_C_FLAGS_DEBUG},EXCLUDE,/Zc:inline>)
set(FLASHATTN_C_FLAGS_RELEASE
$<FILTER:${CMAKE_C_FLAGS_RELEASE},EXCLUDE,/Zc:inline>)
set(FLASHATTN_CXX_FLAGS $<FILTER:${CMAKE_CXX_FLAGS},EXCLUDE,/Zc:inline>)
set(FLASHATTN_CXX_FLAGS_RELEASE
$<FILTER:${CMAKE_CXX_FLAGS_RELEASE},EXCLUDE,/Zc:inline>)
set(FLASHATTN_CXX_FLAGS_DEBUG
$<FILTER:${CMAKE_CXX_FLAGS_DEBUG},EXCLUDE,/Zc:inline>)
else()
set(FLASHATTN_C_FLAGS ${CMAKE_C_FLAGS})
set(FLASHATTN_C_FLAGS_DEBUG ${CMAKE_C_FLAGS_DEBUG})
set(FLASHATTN_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE})
set(FLASHATTN_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
set(FLASHATTN_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE})
set(FLASHATTN_CXX_FLAGS_DEBUG ${CMAKE_CXX_FLAGS_DEBUG})
endif()
set(FLASHATTN_CMAKE_CUDA_FLAGS "-Xfatbin -compress-all")
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION
VERSION_GREATER_EQUAL 15.0)
# GCC 15 diagnoses template-body lookup failures in the vendored CUTLASS
# v2.9.0 matrix.h before the affected helpers are instantiated. Keep this
# warning local to FlashAttention until CUTLASS is upgraded or patched.
if(CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA")
set(FLASHATTN_CMAKE_CUDA_FLAGS
"${FLASHATTN_CMAKE_CUDA_FLAGS} -Xcompiler=-Wno-template-body")
else()
set(FLASHATTN_CMAKE_CUDA_FLAGS
"${FLASHATTN_CMAKE_CUDA_FLAGS} -Wno-template-body")
endif()
endif()
set(FA_NVCC_ARCH_BIN "")
foreach(arch ${NVCC_ARCH_BIN})
string(STRIP ${arch} arch)
if(arch STREQUAL "")
continue()
endif()
if(FA_NVCC_ARCH_BIN STREQUAL "")
set(FA_NVCC_ARCH_BIN "${arch}")
else()
set(FA_NVCC_ARCH_BIN "${FA_NVCC_ARCH_BIN}-${arch}")
endif()
endforeach()
set(BASE_URL
"https://xly-devops.bj.bcebos.com/gpups/flash-attention/cu${FA_NVCC_ARCH_BIN}"
)
set(TAR_FILE_NAME "flashattn_libs_${FLASHATTN_TAG}.tar")
set(TAR_FILE_URL "${BASE_URL}/${TAR_FILE_NAME}")
set(FA_BUILD_DIR "${FLASHATTN_PREFIX_DIR}/src/extern_flashattn-build/")
set(CACHE_TAR_PATH "${FA_BUILD_DIR}/${TAR_FILE_NAME}")
set(CACHE_TAR_DIR "${FA_BUILD_DIR}/flashattn_libs_${FLASHATTN_TAG}")
set(SKIP_BUILD_FA OFF)
if(WITH_FA_BUILD_WITH_CACHE)
message(STATUS "Downloading ${TAR_FILE_URL} to ${CACHE_TAR_PATH}")
file(
DOWNLOAD "${TAR_FILE_URL}" "${CACHE_TAR_PATH}"
STATUS DOWNLOAD_STATUS
LOG DOWNLOAD_LOG)
list(GET DOWNLOAD_STATUS 0 DOWNLOAD_RESULT)
if(DOWNLOAD_RESULT EQUAL 0)
message(STATUS "Download Successful")
file(MAKE_DIRECTORY ${FA_BUILD_DIR})
execute_process(
COMMAND ${CMAKE_COMMAND} -E tar xf ${CACHE_TAR_PATH}
WORKING_DIRECTORY ${FA_BUILD_DIR}
RESULT_VARIABLE TAR_RESULT)
if(NOT TAR_RESULT EQUAL 0)
message(FATAL_ERROR "Failed to extract ${CACHE_TAR_PATH}")
endif()
file(STRINGS ${CACHE_TAR_DIR}/MD5.txt FILE_MD5)
# Strip any leading or trailing whitespace
string(STRIP ${FILE_MD5} FILE_MD5)
file(MD5 ${CACHE_TAR_DIR}/fa_libs.tar FILE_MD5_ACTUAL)
message(STATUS "Expected MD5: ${FILE_MD5}")
message(STATUS "Actual MD5: ${FILE_MD5_ACTUAL}")
if(NOT "${FILE_MD5}" STREQUAL "${FILE_MD5_ACTUAL}")
message(
FATAL_ERROR "MD5 checksum mismatch! The download may be corrupted.")
else()
message(STATUS "MD5 checksum verified successfully.")
endif()
execute_process(
COMMAND ${CMAKE_COMMAND} -E tar xf ${CACHE_TAR_DIR}/fa_libs.tar
WORKING_DIRECTORY ${CACHE_TAR_DIR}
RESULT_VARIABLE TAR_RESULT)
if(NOT TAR_RESULT EQUAL 0)
message(FATAL_ERROR "Failed to extract ${CACHE_TAR_PATH}/fa_libs.tar")
endif()
file(GLOB_RECURSE SO_FILES "${CACHE_TAR_DIR}/fa_libs/*.so")
foreach(so_file ${SO_FILES})
message(STATUS "Copy ${so_file} to ${FA_BUILD_DIR}")
message(STATUS "Copy ${so_file} to ${FLASHATTN_LIB_DIR}")
file(COPY "${so_file}" DESTINATION "${FA_BUILD_DIR}")
file(COPY "${so_file}" DESTINATION "${FLASHATTN_LIB_DIR}")
endforeach()
file(REMOVE_RECURSE ${CACHE_TAR_DIR})
message(STATUS "Extraction completed in ${FA_BUILD_DIR}")
set(SKIP_BUILD_FA ON)
elseif(DOWNLOAD_RESULT EQUAL 6)
message(
STATUS
"Could not resolve host. The given remote host was not resolvable.")
elseif(DOWNLOAD_RESULT EQUAL 7)
message(STATUS "Failed to connect to host.")
elseif(DOWNLOAD_RESULT EQUAL 22)
message(
STATUS
"HTTP page not retrieved. The requested URL was not found or a server returned a 4xx (client error) or 5xx (server error) response."
)
elseif(DOWNLOAD_RESULT EQUAL 28)
message(
STATUS
"Operation timeout. The specified time-out period was reached according to the conditions."
)
else()
message(STATUS "An error occurred. Error code: ${DOWNLOAD_RESULT}")
endif()
endif()
ExternalProject_Add(
extern_flashattn
${EXTERNAL_PROJECT_LOG_ARGS}
SOURCE_DIR ${SOURCE_DIR}
PREFIX ${FLASHATTN_PREFIX_DIR}
SOURCE_SUBDIR ${FLASHATTN_SOURCE_SUBDIR}
UPDATE_COMMAND ""
PATCH_COMMAND ""
#BUILD_ALWAYS 1
CMAKE_ARGS -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
-DCMAKE_C_FLAGS=${FLASHATTN_C_FLAGS}
-DCMAKE_C_FLAGS_DEBUG=${FLASHATTN_C_FLAGS_DEBUG}
-DCMAKE_C_FLAGS_RELEASE=${FLASHATTN_C_FLAGS_RELEASE}
-DCMAKE_CXX_FLAGS=${FLASHATTN_CXX_FLAGS}
-DCMAKE_CXX_FLAGS_RELEASE=${FLASHATTN_CXX_FLAGS_RELEASE}
-DCMAKE_CXX_FLAGS_DEBUG=${FLASHATTN_CXX_FLAGS_DEBUG}
-DCMAKE_CUDA_COMPILER_LAUNCHER=${CMAKE_CUDA_COMPILER_LAUNCHER}
-DCMAKE_INSTALL_PREFIX=${FLASHATTN_INSTALL_DIR}
-DWITH_GPU=${WITH_GPU}
-DWITH_DISTRIBUTED_OVERLAP=${WITH_NVSHMEM}
-DNVSHMEM_INSTALL_DIR=${NVSHMEM_INSTALL_DIR}
-DGDRCOPY_HOME=${GDRCOPY_HOME}
-DCMAKE_CUDA_COMPILER=${CMAKE_CUDA_COMPILER}
-DCMAKE_CUDA_FLAGS=${FLASHATTN_CMAKE_CUDA_FLAGS}
-DWITH_ROCM=${WITH_ROCM}
-DWITH_OMP=${USE_OMP}
-DBUILD_SHARED=ON
-DCMAKE_POSITION_INDEPENDENT_CODE=ON
-DCMAKE_BUILD_TYPE=${THIRD_PARTY_BUILD_TYPE}
-DCMAKE_JOB_POOL_COMPILE:STRING=compile
-DCMAKE_JOB_POOLS:STRING=compile=${FA_JOB_POOLS_COMPILE}
-DNVCC_ARCH_BIN=${FA_NVCC_ARCH_BIN}
-DWITH_FLASHATTN_V3=${WITH_FLASHATTN_V3}
-DDISABLE_FP8=ON # umiswing: disable FP8, SM8x and PACKGQA on FA3
-DDISABLE_SM8X=ON
-DDISABLE_PACKGQA=ON
-DSKIP_BUILD_FA=${SKIP_BUILD_FA}
${EXTERNAL_OPTIONAL_ARGS}
CMAKE_CACHE_ARGS
-DCMAKE_BUILD_TYPE:STRING=${THIRD_PARTY_BUILD_TYPE}
-DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON
-DCMAKE_INSTALL_PREFIX:PATH=${FLASHATTN_INSTALL_DIR}
BUILD_BYPRODUCTS ${BUILD_BYPRODUCTS_LIST})
# WITH_NVSHMEM means overlap module is being compiled. Then flashmask will be dependent on NVSHMEM
if(WITH_NVSHMEM)
message(
STATUS
"flash-attn-v3 overlap depends on extern_nvshmem, adding dependency.")
add_dependencies(extern_flashattn extern_nvshmem)
endif()
endif()
message(STATUS "flash-attn library: ${FLASHATTN_LIBRARIES}")
if(WITH_FLASHATTN_V3)
message(STATUS "flash-attn-v3 library: ${FLASHATTN_V3_LIBRARIES}")
message(STATUS "flash-mask-v2 library: ${FLASHMASK_V2_LIBRARIES}")
endif()
get_filename_component(FLASHATTN_LIBRARY_PATH ${FLASHATTN_LIBRARIES} DIRECTORY)
include_directories(${FLASHATTN_INCLUDE_DIR})
add_library(flashattn INTERFACE)
#set_property(TARGET flashattn PROPERTY IMPORTED_LOCATION ${FLASHATTN_LIBRARIES})
add_dependencies(flashattn extern_flashattn)