提交 b7417610 编写于 作者: Z zhouwei25 提交者: liuwei1031

Integration of third_party compilation structure (#20887)

上级 ac87d4e6
......@@ -72,6 +72,7 @@ option(WITH_AMD_GPU "Compile PaddlePaddle with AMD GPU" OFF)
option(WITH_NGRAPH "Compile PaddlePaddle with nGraph support." OFF)
option(WITH_PROFILER "Compile PaddlePaddle with GPU profiler and gperftools" OFF)
option(WITH_COVERAGE "Compile PaddlePaddle with code coverage" OFF)
OPTION(WITH_LIBXSMM "Compile with libxsmm" OFF)
option(COVERALLS_UPLOAD "Package code coverage data to coveralls" OFF)
option(WITH_PSLIB "Compile with pslib support" OFF)
option(WITH_BOX_PS "Compile with box_ps support" OFF)
......@@ -97,88 +98,43 @@ if(NOT CMAKE_BUILD_TYPE)
FORCE)
endif()
if (APPLE)
set(WITH_MKL OFF CACHE STRING
"Disable MKL for building on mac" FORCE)
endif()
if (WIN32)
set(WITH_DISTRIBUTE OFF CACHE STRING
"Disable DISTRIBUTE when compiling for Windows" FORCE)
endif()
set(THIRD_PARTY_PATH "${CMAKE_BINARY_DIR}/third_party" CACHE STRING
"A path setting third party libraries download & build directories.")
set(FLUID_INSTALL_DIR "${CMAKE_BINARY_DIR}/fluid_install_dir" CACHE STRING
"A path setting fluid shared and static libraries")
set(FLUID_INFERENCE_INSTALL_DIR "${CMAKE_BINARY_DIR}/fluid_inference_install_dir" CACHE STRING
"A path setting fluid inference shared and static libraries")
set(THIRD_PARTY_BUILD_TYPE Release)
set(WITH_MKLML ${WITH_MKL})
if (NOT DEFINED WITH_MKLDNN)
if (WITH_MKL AND AVX2_FOUND)
set(WITH_MKLDNN ON)
else()
message(STATUS "Do not have AVX2 intrinsics and disabled MKL-DNN")
set(WITH_MKLDNN OFF)
endif()
endif()
if (REPLACE_ENFORCE_GLOG)
# Replace PADDLE_ENFORCE with glog/CHECK for better debug
if(REPLACE_ENFORCE_GLOG)
add_definitions("-DREPLACE_ENFORCE_GLOG")
endif()
if (SANITIZER_TYPE AND NOT "${SANITIZER_TYPE}" MATCHES "^(Address|Leak|Memory|Thread|Undefined)$")
# the type of sanitizer, options are: Address, Leak, Memory, Thread, Undefined. Default: OFF
if(SANITIZER_TYPE AND NOT "${SANITIZER_TYPE}" MATCHES "^(Address|Leak|Memory|Thread|Undefined)$")
message("Choose the correct type of sanitizer")
return()
endif()
########################################################################################
include(external/mklml) # download mklml package
include(external/xbyak) # download xbyak package
include(external/libxsmm) # download, build, install libxsmm
include(external/zlib) # download, build, install zlib
include(external/gflags) # download, build, install gflags
include(external/glog) # download, build, install glog
include(external/gtest) # download, build, install gtest
include(external/protobuf) # download, build, install protobuf
include(external/python) # download, build, install python
include(external/openblas) # download, build, install openblas
include(external/mkldnn) # download, build, install mkldnn
include(external/ngraph) # download, build, install nGraph
include(external/boost) # download boost
include(external/eigen) # download eigen3
include(external/pybind11) # download pybind11
include(external/cares)
include(external/cub)
include(external/rocprim)
include(external/xxhash) # download xxhash
include(external/dlpack)
include(external/warpctc) # download, build, install warpctc
if(WIN32)
if(WITH_DISTRIBUTE)
MESSAGE(WARNING
"Disable DISTRIBUTE when compiling for Windows. Force WITH_DISTRIBUTE=OFF.")
set(WITH_DISTRIBUTE OFF CACHE STRING
"Disable DISTRIBUTE when compiling for Windows" FORCE)
endif()
endif()
if (NOT WIN32)
# there is no official support of nccl, cupti in windows
include(cupti)
endif (NOT WIN32)
if(WITH_BRPC_RDMA)
message(STATUS "Use brpc with rdma.")
if(WITH_GRPC)
message(FATAL_ERROR "Can't use grpc with brpc rdma.")
endif()
if(NOT WITH_DISTRIBUTE)
message(FATAL_ERROR "Can't use brpc rdma in no distribute env.")
endif()
endif()
if(WITH_PSLIB)
include(external/libmct)
include(external/pslib_brpc)
include(external/pslib)
endif(WITH_PSLIB)
if(WITH_BOX_PS)
include(external/box_ps)
endif(WITH_BOX_PS)
include(third_party) # download, build, install third_party
if(WITH_DISTRIBUTE)
include(external/cares)
if(WITH_GRPC)
include(external/grpc)
message(STATUS "Use grpc framework.")
include(external/grpc)
else()
message(STATUS "Use brpc framework.")
include(external/leveldb)
......@@ -186,39 +142,21 @@ if(WITH_DISTRIBUTE)
endif()
endif()
if(WITH_BRPC_RDMA)
message(STATUS "Use brpc with rdma.")
if(WITH_GRPC)
message(FATAL_ERROR "Can't use grpc with brpc rdma.")
endif()
if(NOT WITH_DISTRIBUTE)
message(FATAL_ERROR "Can't use brpc rdma in no distribute env.")
endif()
# there is no official support of nccl, cupti in windows
if(NOT WIN32)
include(cupti)
endif()
include(anakin_subgraph)
include(external/threadpool)
include(flags) # set paddle compile flags
include(cudnn) # set cudnn libraries, must before configure
include(configure) # add paddle env configuration
if(WITH_GPU)
include(cuda)
include(tensorrt)
endif()
if(WIN32 OR APPLE OR NOT WITH_GPU OR ON_INFER)
set(WITH_DGC OFF)
endif()
if(WITH_DGC)
message(STATUS "add dgc lib.")
include(external/dgc)
add_definitions(-DPADDLE_WITH_DGC)
endif()
if (WITH_PROFILER)
if(WITH_PROFILER)
find_package(Gperftools REQUIRED)
include_directories(${GPERFTOOLS_INCLUDE_DIR})
add_definitions(-DWITH_GPERFTOOLS)
......@@ -230,7 +168,7 @@ include(util) # set unittest and link libs
include(version) # set PADDLE_VERSION
include(coveralls) # set code coverage
include(inference_lib) # add paddle fluid inference libraries
include(configure) # add paddle env configuration
include_directories("${PADDLE_SOURCE_DIR}")
......@@ -244,7 +182,7 @@ set(PADDLE_PYTHON_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/python/build")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG")
if (ON_INFER)
if(ON_INFER)
message(STATUS "On inference mode, will take place some specific optimization.")
add_definitions(-DPADDLE_ON_INFERENCE)
else()
......
......@@ -12,18 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
IF(NOT ${WITH_BOX_PS})
return()
ENDIF(NOT ${WITH_BOX_PS})
IF(WIN32 OR APPLE)
MESSAGE(WARNING
"Windows or Mac is not supported with BOX_PS in Paddle yet."
"Force WITH_BOX_PS=OFF")
SET(WITH_BOX_PS OFF CACHE STRING "Disable BOX_PS package in Windows and MacOS" FORCE)
return()
ENDIF()
INCLUDE(ExternalProject)
SET(BOX_PS_PROJECT "extern_box_ps")
......
......@@ -14,39 +14,37 @@
#FIXME:(gongwb) Move brpc's gtest dependency.
include(GNUInstallDirs)
IF(WITH_TESTING OR (WITH_DISTRIBUTE AND NOT WITH_GRPC))
IF(WITH_TESTING)
IF(WITH_TESTING)
ENABLE_TESTING()
ENDIF(WITH_TESTING)
ENDIF()
INCLUDE(ExternalProject)
INCLUDE(GNUInstallDirs)
INCLUDE(ExternalProject)
SET(GTEST_SOURCES_DIR ${THIRD_PARTY_PATH}/gtest)
SET(GTEST_INSTALL_DIR ${THIRD_PARTY_PATH}/install/gtest)
SET(GTEST_INCLUDE_DIR "${GTEST_INSTALL_DIR}/include" CACHE PATH "gtest include directory." FORCE)
SET(GTEST_SOURCES_DIR ${THIRD_PARTY_PATH}/gtest)
SET(GTEST_INSTALL_DIR ${THIRD_PARTY_PATH}/install/gtest)
SET(GTEST_INCLUDE_DIR "${GTEST_INSTALL_DIR}/include" CACHE PATH "gtest include directory." FORCE)
INCLUDE_DIRECTORIES(${GTEST_INCLUDE_DIR})
INCLUDE_DIRECTORIES(${GTEST_INCLUDE_DIR})
IF(WIN32)
IF(WIN32)
set(GTEST_LIBRARIES
"${GTEST_INSTALL_DIR}/${CMAKE_INSTALL_LIBDIR}/gtest.lib" CACHE FILEPATH "gtest libraries." FORCE)
set(GTEST_MAIN_LIBRARIES
"${GTEST_INSTALL_DIR}/${CMAKE_INSTALL_LIBDIR}/gtest_main.lib" CACHE FILEPATH "gtest main libraries." FORCE)
ELSE(WIN32)
ELSE(WIN32)
set(GTEST_LIBRARIES
"${GTEST_INSTALL_DIR}/${CMAKE_INSTALL_LIBDIR}/libgtest.a" CACHE FILEPATH "gtest libraries." FORCE)
set(GTEST_MAIN_LIBRARIES
"${GTEST_INSTALL_DIR}/${CMAKE_INSTALL_LIBDIR}/libgtest_main.a" CACHE FILEPATH "gtest main libraries." FORCE)
ENDIF(WIN32)
ENDIF(WIN32)
IF(WITH_MKLML)
IF(WITH_MKLML)
# wait for mklml downloading completed
SET(GTEST_DEPENDS ${MKLML_PROJECT})
ENDIF()
ENDIF()
ExternalProject_Add(
ExternalProject_Add(
extern_gtest
${EXTERNAL_PROJECT_LOG_ARGS}
DEPENDS ${GTEST_DEPENDS}
......@@ -72,14 +70,12 @@ IF(WITH_TESTING OR (WITH_DISTRIBUTE AND NOT WITH_GRPC))
CMAKE_CACHE_ARGS -DCMAKE_INSTALL_PREFIX:PATH=${GTEST_INSTALL_DIR}
-DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON
-DCMAKE_BUILD_TYPE:STRING=${THIRD_PARTY_BUILD_TYPE}
)
ADD_LIBRARY(gtest STATIC IMPORTED GLOBAL)
SET_PROPERTY(TARGET gtest PROPERTY IMPORTED_LOCATION ${GTEST_LIBRARIES})
ADD_DEPENDENCIES(gtest extern_gtest)
)
ADD_LIBRARY(gtest_main STATIC IMPORTED GLOBAL)
SET_PROPERTY(TARGET gtest_main PROPERTY IMPORTED_LOCATION ${GTEST_MAIN_LIBRARIES})
ADD_DEPENDENCIES(gtest_main extern_gtest)
ADD_LIBRARY(gtest STATIC IMPORTED GLOBAL)
SET_PROPERTY(TARGET gtest PROPERTY IMPORTED_LOCATION ${GTEST_LIBRARIES})
ADD_DEPENDENCIES(gtest extern_gtest)
ENDIF(WITH_TESTING OR (WITH_DISTRIBUTE AND NOT WITH_GRPC))
ADD_LIBRARY(gtest_main STATIC IMPORTED GLOBAL)
SET_PROPERTY(TARGET gtest_main PROPERTY IMPORTED_LOCATION ${GTEST_MAIN_LIBRARIES})
ADD_DEPENDENCIES(gtest_main extern_gtest)
......@@ -11,19 +11,6 @@
# 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.
#
OPTION(WITH_LIBXSMM "Compile with libxsmm" OFF)
IF(NOT WITH_LIBXSMM)
return()
ENDIF()
IF(WIN32 OR APPLE)
MESSAGE(WARNING "Windows, Mac are not supported with libxsmm in Paddle yet.")
SET(WITH_LIBXSMM OFF CACHE STRING "Disable LIBXSMM" FORCE)
return()
ENDIF()
INCLUDE (ExternalProject)
......
......@@ -12,10 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
IF(NOT ${WITH_MKLDNN})
return()
ENDIF(NOT ${WITH_MKLDNN})
INCLUDE(ExternalProject)
SET(MKLDNN_PROJECT "extern_mkldnn")
......@@ -23,14 +19,6 @@ SET(MKLDNN_SOURCES_DIR ${THIRD_PARTY_PATH}/mkldnn)
SET(MKLDNN_INSTALL_DIR ${THIRD_PARTY_PATH}/install/mkldnn)
SET(MKLDNN_INC_DIR "${MKLDNN_INSTALL_DIR}/include" CACHE PATH "mkldnn include directory." FORCE)
IF(APPLE)
MESSAGE(WARNING
"Mac is not supported with MKLDNN in Paddle yet."
"Force WITH_MKLDNN=OFF")
SET(WITH_MKLDNN OFF CACHE STRING "Disable MKLDNN in MacOS" FORCE)
return()
ENDIF()
# Introduce variables:
# * CMAKE_INSTALL_LIBDIR
INCLUDE(GNUInstallDirs)
......
......@@ -12,16 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
IF(NOT ${WITH_MKLML})
return()
ENDIF(NOT ${WITH_MKLML})
IF(APPLE)
MESSAGE(WARNING "Mac is not supported with MKLML in Paddle yet. Force WITH_MKLML=OFF.")
SET(WITH_MKLML OFF CACHE STRING "Disable MKLML package in MacOS" FORCE)
return()
ENDIF()
INCLUDE(ExternalProject)
SET(MKLML_DST_DIR "mklml")
SET(MKLML_INSTALL_ROOT "${THIRD_PARTY_PATH}/install")
......
......@@ -12,26 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
add_library(ngraph INTERFACE)
IF(WIN32 OR APPLE)
MESSAGE(WARNING
"Windows or Mac is not supported with nGraph in Paddle yet."
"Force WITH_NGRAPH=OFF")
SET(WITH_NGRAPH OFF CACHE STRING "Disable nGraph in Windows and MacOS" FORCE)
ENDIF()
IF(${WITH_NGRAPH} AND NOT ${WITH_MKLDNN})
MESSAGE(WARNING
"nGraph needs mkl-dnn to be enabled."
"Force WITH_NGRAPH=OFF")
SET(WITH_NGRAPH OFF CACHE STRING "Disable nGraph if mkl-dnn is disabled" FORCE)
ENDIF()
IF(NOT ${WITH_NGRAPH})
return()
ENDIF()
INCLUDE(GNUInstallDirs)
INCLUDE(ExternalProject)
......@@ -79,6 +59,7 @@ ExternalProject_Add(
CMAKE_ARGS -NGRAPH_USE_LEGACY_MKLDNN=TRUE
)
add_library(ngraph INTERFACE)
add_dependencies(ngraph ${NGRAPH_PROJECT})
target_compile_definitions(ngraph INTERFACE -DPADDLE_WITH_NGRAPH)
target_include_directories(ngraph INTERFACE ${NGRAPH_INC_DIR})
......
......@@ -15,7 +15,7 @@
INCLUDE(ExternalProject)
# Always invoke `FIND_PACKAGE(Protobuf)` for importing function protobuf_generate_cpp
IF(NOT WIN32)
FIND_PACKAGE(Protobuf QUIET)
FIND_PACKAGE(Protobuf QUIET)
ENDIF(NOT WIN32)
macro(UNSET_VAR VAR_NAME)
UNSET(${VAR_NAME} CACHE)
......
......@@ -12,10 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
if(NOT WITH_PYTHON)
return()
endif()
include(ExternalProject)
set(PYBIND_SOURCE_DIR ${THIRD_PARTY_PATH}/pybind)
......
......@@ -12,10 +12,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
IF(NOT WITH_PYTHON)
return()
ENDIF()
INCLUDE(python_module)
FIND_PACKAGE(PythonInterp ${PY_VERSION} REQUIRED)
......
......@@ -14,6 +14,12 @@
# make package for paddle fluid shared and static library
set(FLUID_INSTALL_DIR "${CMAKE_BINARY_DIR}/fluid_install_dir" CACHE STRING
"A path setting fluid shared and static libraries")
set(FLUID_INFERENCE_INSTALL_DIR "${CMAKE_BINARY_DIR}/fluid_inference_install_dir" CACHE STRING
"A path setting fluid inference shared and static libraries")
if(WIN32)
if(NOT PYTHON_EXECUTABLE)
FIND_PACKAGE(PythonInterp REQUIRED)
......@@ -50,29 +56,7 @@ function(copy TARGET)
endforeach ()
endfunction()
# third party
set(third_party_deps eigen3 gflags glog boost xxhash zlib dlpack)
if(NOT PROTOBUF_FOUND OR WIN32)
list(APPEND third_party_deps extern_protobuf)
endif ()
if (WITH_MKLML)
list(APPEND third_party_deps mklml)
elseif (NOT CBLAS_FOUND OR WIN32)
list(APPEND third_party_deps extern_openblas)
endif ()
if (WITH_MKLDNN)
list(APPEND third_party_deps mkldnn_shared_lib)
endif ()
if (WITH_NGRAPH)
list(APPEND third_party_deps ngraph)
endif ()
add_custom_target(third_party DEPENDS ${third_party_deps})
# inference-only library
# inference library for only inference
set(inference_lib_deps third_party paddle_fluid paddle_fluid_shared)
add_custom_target(inference_lib_dist DEPENDS ${inference_lib_deps})
......
# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# compile third party for fluid on both windows/linux/mac
set(THIRD_PARTY_PATH "${CMAKE_BINARY_DIR}/third_party" CACHE STRING
"A path setting third party libraries download & build directories.")
set(THIRD_PARTY_BUILD_TYPE Release)
set(WITH_MKLML ${WITH_MKL})
if (NOT DEFINED WITH_MKLDNN)
if (WITH_MKL AND AVX2_FOUND)
set(WITH_MKLDNN ON)
else()
message(STATUS "Do not have AVX2 intrinsics and disabled MKL-DNN")
set(WITH_MKLDNN OFF)
endif()
endif()
# Correction of flags on different Platform(WIN/MAC) and Print Warning Message
if (APPLE)
if(WITH_MKL)
MESSAGE(WARNING
"Mac is not supported with MKL in Paddle yet. Force WITH_MKL=OFF.")
set(WITH_MKL OFF CACHE STRING "Disable MKL for building on mac" FORCE)
endif()
if(WITH_MKLML)
MESSAGE(WARNING
"Mac is not supported with MKLML in Paddle yet. Force WITH_MKLML=OFF.")
set(WITH_MKLML OFF CACHE STRING "Disable MKLML package in MacOS" FORCE)
endif()
endif()
if(WIN32 OR APPLE)
if(WITH_LIBXSMM)
MESSAGE(WARNING
"Windows, Mac are not supported with libxsmm in Paddle yet."
"Force WITH_LIBXSMM=OFF")
SET(WITH_LIBXSMM OFF CACHE STRING "Disable LIBXSMM in Windows and MacOS" FORCE)
endif()
if(WITH_NGRAPH)
MESSAGE(WARNING
"Windows or Mac is not supported with nGraph in Paddle yet."
"Force WITH_NGRAPH=OFF")
SET(WITH_NGRAPH OFF CACHE STRING "Disable nGraph in Windows and MacOS" FORCE)
endif()
if(WITH_BOX_PS)
MESSAGE(WARNING
"Windows or Mac is not supported with BOX_PS in Paddle yet."
"Force WITH_BOX_PS=OFF")
SET(WITH_BOX_PS OFF CACHE STRING "Disable BOX_PS package in Windows and MacOS" FORCE)
endif()
endif()
if(WIN32 OR APPLE OR NOT WITH_GPU OR ON_INFER)
set(WITH_DGC OFF)
endif()
########################### include third_party accoring to flags ###############################
include(external/zlib) # download, build, install zlib
include(external/gflags) # download, build, install gflags
include(external/glog) # download, build, install glog
include(external/boost) # download boost
include(external/eigen) # download eigen3
include(external/threadpool)# download threadpool
include(external/dlpack) # download dlpack
include(external/xxhash) # download, build, install xxhash
include(external/warpctc) # download, build, install warpctc
include(external/rocprim) # download, build, install rocprim
include(external/xbyak) # download, build, install xbyak
set(third_party_deps eigen3 gflags glog boost xxhash zlib dlpack warpctc simple_threadpool)
if(WITH_AMD_GPU)
list(APPEND third_party_deps rocprim)
endif()
if(WITH_MKLML)
include(external/mklml) # download, install mklml package
list(APPEND third_party_deps mklml)
elseif (NOT CBLAS_FOUND OR WIN32)
list(APPEND third_party_deps extern_openblas)
endif()
include(external/openblas) # find first, then download, build, install openblas
if(WITH_MKLDNN)
include(external/mkldnn) # download, build, install mkldnn
list(APPEND third_party_deps mkldnn_shared_lib)
endif()
include(external/protobuf) # find first, then download, build, install protobuf
if(NOT PROTOBUF_FOUND OR WIN32)
list(APPEND third_party_deps extern_protobuf)
endif()
if(WITH_PYTHON)
include(external/python) # find python and python_module
include(external/pybind11) # download pybind11
list(APPEND third_party_deps pybind)
endif()
IF(WITH_TESTING OR (WITH_DISTRIBUTE AND NOT WITH_GRPC))
include(external/gtest) # download, build, install gtest
list(APPEND third_party_deps extern_gtest)
ENDIF()
if(WITH_GPU)
include(external/cub) # download cub
list(APPEND third_party_deps cub)
endif(WITH_GPU)
if(WITH_PSLIB)
include(external/libmct)
include(external/pslib)
include(external/pslib_brpc)
endif(WITH_PSLIB)
if(WITH_BOX_PS)
include(external/box_ps)
list(APPEND third_party_deps box_ps)
endif(WITH_BOX_PS)
if(WITH_DISTRIBUTE)
list(APPEND third_party_deps cares)
if(WITH_GRPC)
list(APPEND third_party_deps grpc++_unsecure)
else()
list(APPEND third_party_deps leveldb)
list(APPEND third_party_deps brpc)
endif()
endif()
if(WITH_NGRAPH)
if(WITH_MKLDNN)
include(external/ngraph) # download, build, install nGraph
list(APPEND third_party_deps ngraph)
else()
MESSAGE(WARNING
"nGraph needs mkl-dnn to be enabled."
"Force WITH_NGRAPH=OFF")
SET(WITH_NGRAPH OFF CACHE STRING "Disable nGraph if mkl-dnn is disabled" FORCE)
endif()
endif()
if(WITH_XBYAK)
list(APPEND third_party_deps xbyak)
endif()
if(WITH_LIBXSMM)
include(external/libxsmm) # download, build, install libxsmm
list(APPEND third_party_deps libxsmm)
endif()
if(WITH_DGC)
message(STATUS "add dgc lib.")
include(external/dgc) # download, build, install dgc
add_definitions(-DPADDLE_WITH_DGC)
list(APPEND third_party_deps dgc)
endif()
add_custom_target(third_party DEPENDS ${third_party_deps})
\ No newline at end of file
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