Delete cmake

cmake/hipify.py

@@ -1,76 +0,0 @@
-#!/usr/bin/env python3
-# SPDX-License-Identifier: Apache-2.0
-
-# From vLLM: https://github.com/vllm-project/vllm/blob/main/cmake/hipify.py
-
-#
-# A command line tool for running pytorch's hipify preprocessor on CUDA
-# source files.
-#
-# See https://github.com/ROCm/hipify_torch
-# and <torch install dir>/utils/hipify/hipify_python.py
-#
-
-import argparse
-import os
-import shutil
-
-from torch.utils.hipify.hipify_python import hipify
-
-if __name__ == '__main__':
-    parser = argparse.ArgumentParser()
-
-    # Project directory where all the source + include files live.
-    parser.add_argument(
-        "-p",
-        "--project_dir",
-        help="The project directory.",
-    )
-
-    # Directory where hipified files are written.
-    parser.add_argument(
-        "-o",
-        "--output_dir",
-        help="The output directory.",
-    )
-
-    # Source files to convert.
-    parser.add_argument("sources",
-                        help="Source files to hipify.",
-                        nargs="*",
-                        default=[])
-
-    args = parser.parse_args()
-
-    # Limit include scope to project_dir only
-    includes = [os.path.join(args.project_dir, '*')]
-
-    # Get absolute path for all source files.
-    extra_files = [os.path.abspath(s) for s in args.sources]
-
-    # Copy sources from project directory to output directory.
-    # The directory might already exist to hold object files so we ignore that.
-    shutil.copytree(args.project_dir, args.output_dir, dirs_exist_ok=True)
-
-    hipify_result = hipify(project_directory=args.project_dir,
-                           output_directory=args.output_dir,
-                           header_include_dirs=[],
-                           includes=includes,
-                           extra_files=extra_files,
-                           show_detailed=True,
-                           is_pytorch_extension=True,
-                           hipify_extra_files_only=True)
-
-    hipified_sources = []
-    for source in args.sources:
-        s_abs = os.path.abspath(source)
-        hipified_s_abs = (hipify_result[s_abs].hipified_path if
-                          (s_abs in hipify_result
-                           and hipify_result[s_abs].hipified_path is not None)
-                          else s_abs)
-        hipified_sources.append(hipified_s_abs)
-
-    assert (len(hipified_sources) == len(args.sources))
-
-    # Print hipified source files.
-    print("\n".join(hipified_sources))

cmake/utils.cmake

@@ -1,550 +0,0 @@
-# Vendored from vLLM:
-#
-# https://github.com/vllm-project/vllm/blob/main/cmake/utils.cmake
-#
-# Attempt to find the python package that uses the same python executable as
-# `EXECUTABLE` and is one of the `SUPPORTED_VERSIONS`.
-#
-macro (find_python_from_executable EXECUTABLE SUPPORTED_VERSIONS)
-  file(REAL_PATH ${EXECUTABLE} EXECUTABLE)
-  set(Python_EXECUTABLE ${EXECUTABLE})
-  find_package(Python COMPONENTS Interpreter Development.Module Development.SABIModule)
-  if (NOT Python_FOUND)
-    message(FATAL_ERROR "Unable to find python matching: ${EXECUTABLE}.")
-  endif()
-  set(_VER "${Python_VERSION_MAJOR}.${Python_VERSION_MINOR}")
-  set(_SUPPORTED_VERSIONS_LIST ${SUPPORTED_VERSIONS} ${ARGN})
-  if (NOT _VER IN_LIST _SUPPORTED_VERSIONS_LIST)
-    message(FATAL_ERROR
-      "Python version (${_VER}) is not one of the supported versions: "
-      "${_SUPPORTED_VERSIONS_LIST}.")
-  endif()
-  message(STATUS "Found python matching: ${EXECUTABLE}.")
-endmacro()
-
-#
-# Run `EXPR` in python.  The standard output of python is stored in `OUT` and
-# has trailing whitespace stripped.  If an error is encountered when running
-# python, a fatal message `ERR_MSG` is issued.
-#
-function (run_python OUT EXPR ERR_MSG)
-  execute_process(
-    COMMAND
-    "${Python_EXECUTABLE}" "-c" "${EXPR}"
-    OUTPUT_VARIABLE PYTHON_OUT
-    RESULT_VARIABLE PYTHON_ERROR_CODE
-    ERROR_VARIABLE PYTHON_STDERR
-    OUTPUT_STRIP_TRAILING_WHITESPACE)
-
-  if(NOT PYTHON_ERROR_CODE EQUAL 0)
-    message(FATAL_ERROR "${ERR_MSG}: ${PYTHON_STDERR}")
-  endif()
-  set(${OUT} ${PYTHON_OUT} PARENT_SCOPE)
-endfunction()
-
-# Run `EXPR` in python after importing `PKG`. Use the result of this to extend
-# `CMAKE_PREFIX_PATH` so the torch cmake configuration can be imported.
-macro (append_cmake_prefix_path PKG EXPR)
-  run_python(_PREFIX_PATH
-    "import ${PKG}; print(${EXPR})" "Failed to locate ${PKG} path")
-  list(APPEND CMAKE_PREFIX_PATH ${_PREFIX_PATH})
-endmacro()
-
-#
-# Add a target named `hipify${NAME}` that runs the hipify preprocessor on a set
-# of CUDA source files. The names of the corresponding "hipified" sources are
-# stored in `OUT_SRCS`.
-#
-function (hipify_sources_target OUT_SRCS NAME ORIG_SRCS)
-  #
-  # Split into C++ and non-C++ (i.e. CUDA) sources.
-  #
-  set(NODUP_SRCS ${ORIG_SRCS})
-  list(REMOVE_DUPLICATES NODUP_SRCS)
-  set(SRCS ${NODUP_SRCS})
-  set(CXX_SRCS ${NODUP_SRCS})
-  list(FILTER SRCS INCLUDE REGEX "\.cu$")
-  list(FILTER CXX_SRCS EXCLUDE REGEX "\.cu$")
-
-  #
-  # Generate ROCm/HIP source file names from CUDA file names.
-  # Since HIP files are generated code, they will appear in the build area
-  # `CMAKE_CURRENT_BINARY_DIR` directory rather than the original csrc dir.
-  #
-  set(HIP_SRCS)
-  foreach (SRC ${SRCS})
-    get_source_file_property(include_dirs "${SRC}" INCLUDE_DIRECTORIES)
-    string(REGEX REPLACE "\.cu$" "\.hip" SRC ${SRC})
-    string(REGEX REPLACE "cuda" "hip" SRC ${SRC})
-
-    if(include_dirs)
-      # Copy over include directories from the original CUDA file.
-      set_source_files_properties(
-        ${SRC}
-        PROPERTIES INCLUDE_DIRECTORIES "${include_dirs}")
-    endif()
-
-    list(APPEND HIP_SRCS "${CMAKE_CURRENT_BINARY_DIR}/${SRC}")
-  endforeach()
-
-  add_custom_target(
-    hipify${NAME}
-    COMMAND "${Python_EXECUTABLE}" ${CMAKE_SOURCE_DIR}/cmake/hipify.py -p ${CMAKE_SOURCE_DIR} -o ${CMAKE_CURRENT_BINARY_DIR} ${SRCS}
-    DEPENDS ${CMAKE_SOURCE_DIR}/cmake/hipify.py ${SRCS}
-    BYPRODUCTS ${HIP_SRCS}
-    COMMENT "Running hipify on ${NAME} extension source files.")
-
-  # Swap out original extension sources with hipified sources.
-  list(APPEND HIP_SRCS ${CXX_SRCS})
-  set(${OUT_SRCS} ${HIP_SRCS} PARENT_SCOPE)
-endfunction()
-
-#
-# Get additional GPU compiler flags from torch.
-#
-function (get_torch_gpu_compiler_flags OUT_GPU_FLAGS GPU_LANG)
-  if (${GPU_LANG} STREQUAL "CUDA")
-    #
-    # Get common NVCC flags from torch.
-    #
-    run_python(GPU_FLAGS
-      "from torch.utils.cpp_extension import COMMON_NVCC_FLAGS; print(';'.join(COMMON_NVCC_FLAGS))"
-      "Failed to determine torch nvcc compiler flags")
-
-    if (CUDA_VERSION VERSION_GREATER_EQUAL 11.8)
-      list(APPEND GPU_FLAGS "-DENABLE_FP8")
-      list(REMOVE_ITEM GPU_FLAGS
-        "-D__CUDA_NO_HALF_OPERATORS__"
-        "-D__CUDA_NO_HALF_CONVERSIONS__"
-        "-D__CUDA_NO_BFLOAT16_CONVERSIONS__"
-        "-D__CUDA_NO_HALF2_OPERATORS__")
-    endif()
-
-  elseif(${GPU_LANG} STREQUAL "HIP")
-    #
-    # Get common HIP/HIPCC flags from torch.
-    #
-    run_python(GPU_FLAGS
-      "import torch.utils.cpp_extension as t; print(';'.join(t.COMMON_HIP_FLAGS + t.COMMON_HIPCC_FLAGS))"
-      "Failed to determine torch nvcc compiler flags")
-
-    list(APPEND GPU_FLAGS
-      "-DUSE_ROCM"
-      "-DENABLE_FP8"
-      "-U__HIP_NO_HALF_CONVERSIONS__"
-      "-U__HIP_NO_HALF_OPERATORS__"
-      "-fno-gpu-rdc")
-
-  endif()
-  set(${OUT_GPU_FLAGS} ${GPU_FLAGS} PARENT_SCOPE)
-endfunction()
-
-# Macro for converting a `gencode` version number to a cmake version number.
-macro(string_to_ver OUT_VER IN_STR)
-  string(REGEX REPLACE "\([0-9]+\)\([0-9]\)" "\\1.\\2" ${OUT_VER} ${IN_STR})
-endmacro()
-
-#
-# Clear all `-gencode` flags from `CMAKE_CUDA_FLAGS` and store them in
-# `CUDA_ARCH_FLAGS`.
-#
-# Example:
-#   CMAKE_CUDA_FLAGS="-Wall -gencode arch=compute_70,code=sm_70 -gencode arch=compute_75,code=sm_75"
-#   clear_cuda_arches(CUDA_ARCH_FLAGS)
-#   CUDA_ARCH_FLAGS="-gencode arch=compute_70,code=sm_70;-gencode arch=compute_75,code=sm_75"
-#   CMAKE_CUDA_FLAGS="-Wall"
-#
-macro(clear_cuda_arches CUDA_ARCH_FLAGS)
-    # Extract all `-gencode` flags from `CMAKE_CUDA_FLAGS`
-    string(REGEX MATCHALL "-gencode arch=[^ ]+" CUDA_ARCH_FLAGS
-      ${CMAKE_CUDA_FLAGS})
-
-    # Remove all `-gencode` flags from `CMAKE_CUDA_FLAGS` since they will be modified
-    # and passed back via the `CUDA_ARCHITECTURES` property.
-    string(REGEX REPLACE "-gencode arch=[^ ]+ *" "" CMAKE_CUDA_FLAGS
-      ${CMAKE_CUDA_FLAGS})
-endmacro()
-
-#
-# Extract unique CUDA architectures from a list of compute capabilities codes in 
-# the form `<major><minor>[<letter>]`, convert them to the form sort 
-# `<major>.<minor>`, dedupes them and then sorts them in ascending order and 
-# stores them in `OUT_ARCHES`.
-#
-# Example:
-#   CUDA_ARCH_FLAGS="-gencode arch=compute_75,code=sm_75;...;-gencode arch=compute_90a,code=sm_90a" 
-#   extract_unique_cuda_archs_ascending(OUT_ARCHES CUDA_ARCH_FLAGS)
-#   OUT_ARCHES="7.5;...;9.0"
-function(extract_unique_cuda_archs_ascending OUT_ARCHES CUDA_ARCH_FLAGS)
-  set(_CUDA_ARCHES)
-  foreach(_ARCH ${CUDA_ARCH_FLAGS})
-    string(REGEX MATCH "arch=compute_\([0-9]+a?\)" _COMPUTE ${_ARCH})
-    if (_COMPUTE)
-      set(_COMPUTE ${CMAKE_MATCH_1})
-    endif()
-
-    string_to_ver(_COMPUTE_VER ${_COMPUTE})
-    list(APPEND _CUDA_ARCHES ${_COMPUTE_VER})
-  endforeach()
-
-  list(REMOVE_DUPLICATES _CUDA_ARCHES)
-  list(SORT _CUDA_ARCHES COMPARE NATURAL ORDER ASCENDING)
-  set(${OUT_ARCHES} ${_CUDA_ARCHES} PARENT_SCOPE)
-endfunction()
-
-#
-# For a specific file set the `-gencode` flag in compile options conditionally 
-# for the CUDA language. 
-#
-# Example:
-#   set_gencode_flag_for_srcs(
-#     SRCS "foo.cu"
-#     ARCH "compute_75"
-#     CODE "sm_75")
-#   adds: "-gencode arch=compute_75,code=sm_75" to the compile options for 
-#    `foo.cu` (only for the CUDA language).
-#
-macro(set_gencode_flag_for_srcs)
-  set(options)
-  set(oneValueArgs ARCH CODE)
-  set(multiValueArgs SRCS)
-  cmake_parse_arguments(arg "${options}" "${oneValueArgs}"
-                        "${multiValueArgs}" ${ARGN} )
-  set(_FLAG -gencode arch=${arg_ARCH},code=${arg_CODE})
-  set_property(
-    SOURCE ${arg_SRCS}
-    APPEND PROPERTY
-    COMPILE_OPTIONS "$<$<COMPILE_LANGUAGE:CUDA>:${_FLAG}>"
-  )
-
-  message(DEBUG "Setting gencode flag for ${arg_SRCS}: ${_FLAG}")
-endmacro(set_gencode_flag_for_srcs)
-
-#
-# For a list of source files set the `-gencode` flags in the files specific 
-#  compile options (specifically for the CUDA language).
-#
-# arguments are:
-#  SRCS: list of source files
-#  CUDA_ARCHS: list of CUDA architectures in the form `<major>.<minor>[letter]`
-#  BUILD_PTX_FOR_ARCH: if set to true, then the PTX code will be built
-#    for architecture `BUILD_PTX_FOR_ARCH` if there is a CUDA_ARCH in CUDA_ARCHS 
-#    that is larger than BUILD_PTX_FOR_ARCH.
-#
-macro(set_gencode_flags_for_srcs)
-  set(options)
-  set(oneValueArgs BUILD_PTX_FOR_ARCH)
-  set(multiValueArgs SRCS CUDA_ARCHS)
-  cmake_parse_arguments(arg "${options}" "${oneValueArgs}"
-                        "${multiValueArgs}" ${ARGN} )
-
-  foreach(_ARCH ${arg_CUDA_ARCHS})
-    # handle +PTX suffix: generate both sm and ptx codes if requested
-    string(FIND "${_ARCH}" "+PTX" _HAS_PTX)
-    if(NOT _HAS_PTX EQUAL -1)
-      string(REPLACE "+PTX" "" _BASE_ARCH "${_ARCH}")
-      string(REPLACE "." "" _STRIPPED_ARCH "${_BASE_ARCH}")
-      set_gencode_flag_for_srcs(
-        SRCS ${arg_SRCS}
-        ARCH "compute_${_STRIPPED_ARCH}"
-        CODE "sm_${_STRIPPED_ARCH}")
-      set_gencode_flag_for_srcs(
-        SRCS ${arg_SRCS}
-        ARCH "compute_${_STRIPPED_ARCH}"
-        CODE "compute_${_STRIPPED_ARCH}")
-    else()
-      string(REPLACE "." "" _STRIPPED_ARCH "${_ARCH}")
-      set_gencode_flag_for_srcs(
-        SRCS ${arg_SRCS}
-        ARCH "compute_${_STRIPPED_ARCH}"
-        CODE "sm_${_STRIPPED_ARCH}")
-    endif()
-  endforeach()
-
-  if (${arg_BUILD_PTX_FOR_ARCH})
-    list(SORT arg_CUDA_ARCHS COMPARE NATURAL ORDER ASCENDING)
-    list(GET arg_CUDA_ARCHS -1 _HIGHEST_ARCH)
-    if (_HIGHEST_ARCH VERSION_GREATER_EQUAL ${arg_BUILD_PTX_FOR_ARCH})
-      string(REPLACE "." "" _PTX_ARCH "${arg_BUILD_PTX_FOR_ARCH}")
-      set_gencode_flag_for_srcs(
-        SRCS ${arg_SRCS}
-        ARCH "compute_${_PTX_ARCH}"
-        CODE "compute_${_PTX_ARCH}")
-    endif()
-  endif()
-endmacro()
-
-#
-# For the given `SRC_CUDA_ARCHS` list of gencode versions in the form
-#  `<major>.<minor>[letter]` compute the "loose intersection" with the
-#  `TGT_CUDA_ARCHS` list of gencodes. We also support the `+PTX` suffix in
-#  `SRC_CUDA_ARCHS` which indicates that the PTX code should be built when there
-#  is a CUDA_ARCH in `TGT_CUDA_ARCHS` that is equal to or larger than the
-#  architecture in `SRC_CUDA_ARCHS`.
-# The loose intersection is defined as:
-#   { max{ x \in tgt | x <= y } | y \in src, { x \in tgt | x <= y } != {} }
-#  where `<=` is the version comparison operator.
-# In other words, for each version in `TGT_CUDA_ARCHS` find the highest version
-#  in `SRC_CUDA_ARCHS` that is less or equal to the version in `TGT_CUDA_ARCHS`.
-# We have special handling for x.0a, if x.0a is in `SRC_CUDA_ARCHS` and x.0 is
-#  in `TGT_CUDA_ARCHS` then we should remove x.0a from `SRC_CUDA_ARCHS` and add
-#  x.0a to the result (and remove x.0 from TGT_CUDA_ARCHS).
-# The result is stored in `OUT_CUDA_ARCHS`.
-#
-# Example:
-#   SRC_CUDA_ARCHS="7.5;8.0;8.6;9.0;9.0a"
-#   TGT_CUDA_ARCHS="8.0;8.9;9.0"
-#   cuda_archs_loose_intersection(OUT_CUDA_ARCHS SRC_CUDA_ARCHS TGT_CUDA_ARCHS)
-#   OUT_CUDA_ARCHS="8.0;8.6;9.0;9.0a"
-#
-# Example With PTX:
-#   SRC_CUDA_ARCHS="8.0+PTX"
-#   TGT_CUDA_ARCHS="9.0"
-#   cuda_archs_loose_intersection(OUT_CUDA_ARCHS SRC_CUDA_ARCHS TGT_CUDA_ARCHS)
-#   OUT_CUDA_ARCHS="8.0+PTX"
-#
-function(cuda_archs_loose_intersection OUT_CUDA_ARCHS SRC_CUDA_ARCHS TGT_CUDA_ARCHS)
-  set(_SRC_CUDA_ARCHS "${SRC_CUDA_ARCHS}")
-  set(_TGT_CUDA_ARCHS ${TGT_CUDA_ARCHS})
-
-  # handle +PTX suffix: separate base arch for matching, record PTX requests
-  set(_PTX_ARCHS)
-  foreach(_arch ${_SRC_CUDA_ARCHS})
-    if(_arch MATCHES "\\+PTX$")
-      string(REPLACE "+PTX" "" _base "${_arch}")
-      list(APPEND _PTX_ARCHS "${_base}")
-      list(REMOVE_ITEM _SRC_CUDA_ARCHS "${_arch}")
-      list(APPEND _SRC_CUDA_ARCHS "${_base}")
-    endif()
-  endforeach()
-  list(REMOVE_DUPLICATES _PTX_ARCHS)
-  list(REMOVE_DUPLICATES _SRC_CUDA_ARCHS)
-
-  # if x.0a is in SRC_CUDA_ARCHS and x.0 is in CUDA_ARCHS then we should
-  # remove x.0a from SRC_CUDA_ARCHS and add x.0a to _CUDA_ARCHS
-  set(_CUDA_ARCHS)
-  foreach(_arch ${_SRC_CUDA_ARCHS})
-    if(_arch MATCHES "\\a$")
-      list(REMOVE_ITEM _SRC_CUDA_ARCHS "${_arch}")
-      string(REPLACE "a" "" _base "${_arch}")
-      if ("${_base}" IN_LIST TGT_CUDA_ARCHS)
-        list(REMOVE_ITEM _TGT_CUDA_ARCHS "${_base}")
-        list(APPEND _CUDA_ARCHS "${_arch}")
-      endif()
-    endif()
-  endforeach()
-
-  list(SORT _SRC_CUDA_ARCHS COMPARE NATURAL ORDER ASCENDING)
-
-  # for each ARCH in TGT_CUDA_ARCHS find the highest arch in SRC_CUDA_ARCHS that
-  # is less or equal to ARCH (but has the same major version since SASS binary
-  # compatibility is only forward compatible within the same major version).
-  foreach(_ARCH ${_TGT_CUDA_ARCHS})
-    set(_TMP_ARCH)
-    # Extract the major version of the target arch
-    string(REGEX REPLACE "^([0-9]+)\\..*$" "\\1" TGT_ARCH_MAJOR "${_ARCH}")
-    foreach(_SRC_ARCH ${_SRC_CUDA_ARCHS})
-      # Extract the major version of the source arch
-      string(REGEX REPLACE "^([0-9]+)\\..*$" "\\1" SRC_ARCH_MAJOR "${_SRC_ARCH}")
-      # Check version-less-or-equal, and allow PTX arches to match across majors
-      if (_SRC_ARCH VERSION_LESS_EQUAL _ARCH)
-        if (_SRC_ARCH IN_LIST _PTX_ARCHS OR SRC_ARCH_MAJOR STREQUAL TGT_ARCH_MAJOR)
-          set(_TMP_ARCH "${_SRC_ARCH}")
-        endif()
-      else()
-        # If we hit a version greater than the target, we can break
-        break()
-      endif()
-    endforeach()
-
-    # If we found a matching _TMP_ARCH, append it to _CUDA_ARCHS
-    if (_TMP_ARCH)
-      list(APPEND _CUDA_ARCHS "${_TMP_ARCH}")
-    endif()
-  endforeach()
-
-  list(REMOVE_DUPLICATES _CUDA_ARCHS)
-
-  # reapply +PTX suffix to architectures that requested PTX
-  set(_FINAL_ARCHS)
-  foreach(_arch ${_CUDA_ARCHS})
-    if(_arch IN_LIST _PTX_ARCHS)
-      list(APPEND _FINAL_ARCHS "${_arch}+PTX")
-    else()
-      list(APPEND _FINAL_ARCHS "${_arch}")
-    endif()
-  endforeach()
-  set(_CUDA_ARCHS ${_FINAL_ARCHS})
-
-  set(${OUT_CUDA_ARCHS} ${_CUDA_ARCHS} PARENT_SCOPE)
-endfunction()
-
-#
-# For the given `SRC_ROCM_ARCHS` list of architecture versions in the form 
-# `<name>` compute the "loose intersection" with the `TGT_ROCM_ARCHS` list. 
-# The loose intersection is defined as:
-#   { max{ x \in tgt | x <= y } | y \in src, { x \in tgt | x <= y } != {} }
-#  where `<=` is the version comparison operator.
-# In other words, for each version in `TGT_ROCM_ARCHS` find the highest version
-#  in `SRC_ROCM_ARCHS` that is less or equal to the version in `TGT_ROCM_ARCHS`.
-# The result is stored in `OUT_ROCM_ARCHS`.
-#
-# Example:
-#   SRC_ROCM_ARCHS="gfx900;gfx906;gfx908;gfx90a"
-#   TGT_ROCM_ARCHS="gfx906;gfx908;gfx1030"
-#   hip_archs_loose_intersection(OUT_ROCM_ARCHS SRC_ROCM_ARCHS TGT_ROCM_ARCHS)
-#   OUT_ROCM_ARCHS="gfx906;gfx908"
-#
-function(hip_archs_loose_intersection OUT_ROCM_ARCHS SRC_ROCM_ARCHS TGT_ROCM_ARCHS)
-  list(REMOVE_DUPLICATES SRC_ROCM_ARCHS)
-  
-  # ROCm architectures are typically in format gfxNNN or gfxNNNx where N is a digit
-  # and x is a letter. We can sort them by string comparison which works for this format.
-  list(SORT SRC_ROCM_ARCHS COMPARE STRING ORDER ASCENDING)
-  
-  set(_ROCM_ARCHS)
-  
-  # Find the intersection of supported architectures
-  foreach(_SRC_ARCH ${SRC_ROCM_ARCHS})
-    if(_SRC_ARCH IN_LIST TGT_ROCM_ARCHS)
-      list(APPEND _ROCM_ARCHS ${_SRC_ARCH})
-    endif()
-  endforeach()
-  
-  list(REMOVE_DUPLICATES _ROCM_ARCHS)
-  set(${OUT_ROCM_ARCHS} ${_ROCM_ARCHS} PARENT_SCOPE)
-endfunction()
-
-#
-# Override the GPU architectures detected by cmake/torch and filter them by
-# `GPU_SUPPORTED_ARCHES`. Sets the final set of architectures in
-# `GPU_ARCHES`. This only applies to the HIP language since for CUDA we set 
-# the architectures on a per file basis.
-#
-# Note: this is defined as a macro since it updates `CMAKE_CUDA_FLAGS`.
-#
-macro(override_gpu_arches GPU_ARCHES GPU_LANG GPU_SUPPORTED_ARCHES)
-  set(_GPU_SUPPORTED_ARCHES_LIST ${GPU_SUPPORTED_ARCHES} ${ARGN})
-  message(STATUS "${GPU_LANG} supported arches: ${_GPU_SUPPORTED_ARCHES_LIST}")
-
-  if (${GPU_LANG} STREQUAL "HIP")
-    #
-    # `GPU_ARCHES` controls the `--offload-arch` flags.
-    #
-    # If PYTORCH_ROCM_ARCH env variable exists, then we take it as a list,
-    # if not, then we use CMAKE_HIP_ARCHITECTURES which was generated by calling
-    # "rocm_agent_enumerator" in "enable_language(HIP)"
-    # (in file Modules/CMakeDetermineHIPCompiler.cmake)
-    #
-    if(DEFINED ENV{PYTORCH_ROCM_ARCH})
-      set(HIP_ARCHITECTURES $ENV{PYTORCH_ROCM_ARCH})
-    else()
-      set(HIP_ARCHITECTURES ${CMAKE_HIP_ARCHITECTURES})
-    endif()
-    #
-    # Find the intersection of the supported + detected architectures to
-    # set the module architecture flags.
-    #
-    set(${GPU_ARCHES})
-    foreach (_ARCH ${HIP_ARCHITECTURES})
-      if (_ARCH IN_LIST _GPU_SUPPORTED_ARCHES_LIST)
-        list(APPEND ${GPU_ARCHES} ${_ARCH})
-      endif()
-    endforeach()
-
-    if(NOT ${GPU_ARCHES})
-      message(FATAL_ERROR
-        "None of the detected ROCm architectures: ${HIP_ARCHITECTURES} is"
-        " supported. Supported ROCm architectures are: ${_GPU_SUPPORTED_ARCHES_LIST}.")
-    endif()
-  endif()
-endmacro()
-
-#
-# Define a target named `GPU_MOD_NAME` for a single extension. The
-# arguments are:
-#
-# DESTINATION <dest>         - Module destination directory.
-# LANGUAGE <lang>            - The GPU language for this module, e.g CUDA, HIP,
-#                              etc.
-# SOURCES <sources>          - List of source files relative to CMakeLists.txt
-#                              directory.
-#
-# Optional arguments:
-#
-# ARCHITECTURES <arches>     - A list of target GPU architectures in cmake
-#                              format.
-#                              Refer `CMAKE_CUDA_ARCHITECTURES` documentation
-#                              and `CMAKE_HIP_ARCHITECTURES` for more info.
-#                              ARCHITECTURES will use cmake's defaults if
-#                              not provided.
-# COMPILE_FLAGS <flags>      - Extra compiler flags passed to NVCC/hip.
-# INCLUDE_DIRECTORIES <dirs> - Extra include directories.
-# LIBRARIES <libraries>      - Extra link libraries.
-# WITH_SOABI                 - Generate library with python SOABI suffix name.
-# USE_SABI <version>         - Use python stable api <version>
-#
-# Note: optimization level/debug info is set via cmake build type.
-#
-function (define_gpu_extension_target GPU_MOD_NAME)
-  cmake_parse_arguments(PARSE_ARGV 1
-    GPU
-    "WITH_SOABI"
-    "DESTINATION;LANGUAGE;USE_SABI"
-    "SOURCES;ARCHITECTURES;COMPILE_FLAGS;INCLUDE_DIRECTORIES;LIBRARIES")
-
-  # Add hipify preprocessing step when building with HIP/ROCm.
-  if (GPU_LANGUAGE STREQUAL "HIP")
-    hipify_sources_target(GPU_SOURCES ${GPU_MOD_NAME} "${GPU_SOURCES}")
-  endif()
-
-  if (GPU_WITH_SOABI)
-    set(GPU_WITH_SOABI WITH_SOABI)
-  else()
-    set(GPU_WITH_SOABI)
-  endif()
-
-  if (GPU_USE_SABI)
-    Python_add_library(${GPU_MOD_NAME} MODULE USE_SABI ${GPU_USE_SABI} ${GPU_WITH_SOABI} "${GPU_SOURCES}")
-  else()
-    Python_add_library(${GPU_MOD_NAME} MODULE ${GPU_WITH_SOABI} "${GPU_SOURCES}")
-  endif()
-
-  if (GPU_LANGUAGE STREQUAL "HIP")
-    # Make this target dependent on the hipify preprocessor step.
-    add_dependencies(${GPU_MOD_NAME} hipify${GPU_MOD_NAME})
-  endif()
-
-  if (GPU_ARCHITECTURES)
-    if (GPU_LANGUAGE STREQUAL "HIP")
-      # Clear target architectures, we are passing arch flags per source file.
-      set_property(TARGET ${GPU_MOD_NAME} PROPERTY HIP_ARCHITECTURES off)
-    else()
-      set_target_properties(${GPU_MOD_NAME} PROPERTIES
-        ${GPU_LANGUAGE}_ARCHITECTURES "${GPU_ARCHITECTURES}")
-    endif()
-  endif()
-
-  set_property(TARGET ${GPU_MOD_NAME} PROPERTY CXX_STANDARD 17)
-
-  target_compile_options(${GPU_MOD_NAME} PRIVATE
-    $<$<COMPILE_LANGUAGE:${GPU_LANGUAGE}>:${GPU_COMPILE_FLAGS}>)
-
-  target_compile_definitions(${GPU_MOD_NAME} PRIVATE
-    "-DTORCH_EXTENSION_NAME=${GPU_MOD_NAME}")
-
-  target_include_directories(${GPU_MOD_NAME} PRIVATE csrc
-    ${GPU_INCLUDE_DIRECTORIES})
-
-  target_link_libraries(${GPU_MOD_NAME} PRIVATE torch ${GPU_LIBRARIES})
-
-  # Don't use `TORCH_LIBRARIES` for CUDA since it pulls in a bunch of
-  # dependencies that are not necessary and may not be installed.
-  if (GPU_LANGUAGE STREQUAL "CUDA")
-    target_link_libraries(${GPU_MOD_NAME} PRIVATE CUDA::cudart)
-  else()
-    target_link_libraries(${GPU_MOD_NAME} PRIVATE ${TORCH_LIBRARIES})
-  endif()
-
-  install(TARGETS ${GPU_MOD_NAME} LIBRARY DESTINATION ${GPU_DESTINATION} COMPONENT ${GPU_MOD_NAME})
-endfunction()