CMakeLists.txt

set(kernel_declare_file
    ${PADDLE_BINARY_DIR}/paddle/phi/kernels/declarations.h.tmp
    CACHE INTERNAL "declarations.h file")
set(kernel_declare_file_final
    ${PADDLE_BINARY_DIR}/paddle/phi/kernels/declarations.h)
file(
  WRITE ${kernel_declare_file}
  "// Generated by the paddle/phi/kernels/CMakeLists.txt.  DO NOT EDIT!\n\n#pragma once\n\n"
)
file(APPEND ${kernel_declare_file}
     "#include \"paddle/phi/core/kernel_registry.h\"\n\n")
set(kernel_declare_file_prune
    ${PADDLE_BINARY_DIR}/paddle/phi/kernels/declarations.h.prune
    CACHE INTERNAL "declarations.h file")

# phi functors and functions called by kernels
add_subdirectory(funcs)

# kernel autotune
add_subdirectory(autotune)

# phi depends all phi kernel targets
set_property(GLOBAL PROPERTY PHI_KERNELS "")

# [ 1. Common kernel compilation dependencies ]
set(COMMON_KERNEL_DEPS
    dense_tensor
    string_tensor
    sparse_coo_tensor
    sparse_csr_tensor
    tensor_array
    kernel_context
    kernel_factory
    arg_map_context
    convert_utils
    lod_utils
    custom_kernel
    string_infermeta
    phi_tensor_utils)
set(COMMON_KERNEL_DEPS
    ${COMMON_KERNEL_DEPS}
    eigen_function
    blas
    math_function
    im2col
    vol2col
    concat_and_split_functor
    selected_rows_functor)
# remove this dep after removing fluid deps on tensor creation
set(COMMON_KERNEL_DEPS ${COMMON_KERNEL_DEPS} phi_api_utils)
set(COMMON_KERNEL_DEPS ${COMMON_KERNEL_DEPS} infermeta infermeta_utils
                       sparse_infermeta)
set(COMMON_KERNEL_DEPS ${COMMON_KERNEL_DEPS} switch_autotune)

set(COMMON_KERNEL_DEPS
    ${COMMON_KERNEL_DEPS}
    threadpool
    jit_kernel_helper
    softmax
    cross_entropy
    matrix_bit_code
    lapack_function
    lstm_compute
    gru_compute
    deformable_conv_functor
    matrix_reduce
    segment_pooling
    gather_scatter_kernel
    pooling
    maxouting
    matrix_inverse
    matrix_solve
    phi_dynload_warpctc
    sequence_padding
    sequence_scale
    fft
    phi_data_layout_transform
    gpc
    utf8proc
    device_memory_aligment)

set(COMMON_KERNEL_DEPS ${COMMON_KERNEL_DEPS} processgroup)
if(WITH_NCCL OR WITH_RCCL)
  set(COMMON_KERNEL_DEPS ${COMMON_KERNEL_DEPS} processgroup_nccl)
endif()

copy_if_different(${kernel_declare_file} ${kernel_declare_file_final})

file(GLOB kernel_h "*.h" "selected_rows/*.h" "sparse/*.h" "strings/*.h")
file(GLOB kernel_impl_h "impl/*.h" "selected_rows/impl/*.h")
file(GLOB kernel_primitive_h "primitive/*.h")

file(
  GLOB
  kernel_cu
  "gpu/*.cu"
  "gpu/*.cu.cc"
  "gpudnn/*.cu"
  "kps/*.cu"
  "selected_rows/gpu/*.cu"
  "sparse/gpu/*.cu"
  "strings/gpu/*.cu"
  "fusion/gpu/*.cu")

if(WITH_MKLDNN)
  file(
    GLOB
    kernel_cc
    "*.cc"
    "cpu/*.cc"
    "selected_rows/*.cc"
    "selected_rows/cpu/*.cc"
    "sparse/*.cc"
    "sparse/cpu/*.cc"
    "strings/*.cc"
    "strings/cpu/*.cc"
    "onednn/*.cc"
    "fusion/*.cc"
    "fusion/cpu/*.cc")
else()
  file(
    GLOB
    kernel_cc
    "*.cc"
    "cpu/*.cc"
    "selected_rows/*.cc"
    "selected_rows/cpu/*.cc"
    "sparse/*.cc"
    "sparse/cpu/*.cc"
    "strings/*.cc"
    "strings/cpu/*.cc"
    "fusion/*.cc"
    "fusion/cpu/*.cc")
endif()

file(GLOB kernel_xpu "xpu/*.cc" "selected_rows/xpu/*.cc" "fusion/xpu/*.cc")

add_library(phi_cpu ${kernel_cc})
kernel_declare("${kernel_cc}")
target_link_libraries(phi_cpu ${COMMON_KERNEL_DEPS})

set(ADD_PHI_KERNELS phi_cpu)

if(WITH_GPU OR WITH_ROCM)
  if(WITH_GPU)
    add_library(phi_gpu ${kernel_cu})
  elseif(WITH_ROCM)
    hip_add_library(phi_gpu STATIC ${kernel_cu})
  endif()
  kernel_declare("${kernel_cu}")
  target_link_libraries(phi_gpu ${COMMON_KERNEL_DEPS})
  set(ADD_PHI_KERNELS ${ADD_PHI_KERNELS} phi_gpu)
endif()

if(WITH_XPU)
  if(WITH_XPU_KP)
    file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/kps/
         DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/kps/)
    file(GLOB kernel_xpu_kps "${CMAKE_CURRENT_BINARY_DIR}/kps/*.cu")
    foreach(kernel ${kernel_xpu_kps})
      get_filename_component(name ${kernel} NAME_WE)
      file(RENAME ${kernel} "${CMAKE_CURRENT_BINARY_DIR}/kps/${name}.kps")
    endforeach()
    file(GLOB kernel_xpu_kps "${CMAKE_CURRENT_BINARY_DIR}/kps/*.kps")
    xpu_add_library(phi_xpu STATIC ${kernel_xpu} ${kernel_xpu_kps} DEPENDS
                    ${COMMON_KERNEL_DEPS})
  else()
    add_library(phi_xpu ${kernel_xpu})
  endif()
  kernel_declare("${kernel_xpu}")
  kernel_declare("${kernel_xpu_kps}")
  target_link_libraries(phi_xpu ${COMMON_KERNEL_DEPS})
  set(ADD_PHI_KERNELS ${ADD_PHI_KERNELS} phi_xpu)
endif()

set_property(GLOBAL PROPERTY PHI_KERNELS ${ADD_PHI_KERNELS})

if(NOT "${KERNEL_LIST}" STREQUAL "")
  prune_declaration_h()
endif()