Add mlu impl for mmcv ops (DeepLink-org#51)

* Add mlu impl for mmcv ops
- support bangc compile
- support mmcv ops
  - diopiBboxOverlapsMmcv
  - diopiRoiAlignMmcv
  - diopiRoiAlignBackwardMmcv

* Fix lint and reviews

* Add cncc flag

* Add op impl for focal_loss_sigmoid

DIOPI-IMPL/camb/CMakeLists.txt

@@ -3,28 +3,45 @@ project(camb_impl)
 
 option(TEST "whether to test by using conformance test" OFF)
 
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR})
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
 find_package(Neuware 4.6 REQUIRED)
 if (NEUWARE_FOUND)
     set(USE_CAMB ON)
     set(CMAKE_CNCC_FLAGS "${CMAKE_CNCC_FLAGS};-fPIC;--bang-device-only")
     message(STATUS "Cambricon Neuware Root: ${NEUWARE_ROOT_DIR}")
+    message(STATUS "Cambricon Neuware Home: ${NEUWARE_HOME}")
     message(STATUS "Cambricon Neuware Version: ${NEUWARE_VERSION}")
     message(STATUS "Cambricon CNCC Flags: ${CMAKE_CNCC_FLAGS}")
     message(STATUS "Cambricon CNCC Targets: ${CNCC_TARGETS}")
 else()
     message(FATAL_ERROR "No Cambricon Neuware toolkit found.")
 endif()
 
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
+  "${NEUWARE_HOME}/cmake"
+  "${NEUWARE_HOME}/cmake/modules"
+  )
+find_package(BANG)
+if(BANG_FOUND)
+  set(BANG_CNCC_FLAGS "${BANG_CNCC_FLAGS};-fPIC;-std=c++14;-pthread;--bang-mlu-arch=mtp_220;--bang-mlu-arch=mtp_270;--bang-mlu-arch=mtp_290;--bang-mlu-arch=mtp_372;--bang-mlu-arch=mtp_592;-O3;-Wall")
+  message(STATUS "BANG_CNCC_FLAGS: ${BANG_CNCC_FLAGS}")
+else()
+  message(FATAL_ERROR "BANG cannot be found.")
+endif()
+
 file(GLOB_RECURSE IMPL_SRC RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} functions/*.cpp common/*.cpp)
+file(GLOB_RECURSE IMPL_SRC_MMCV RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} functions_mmcv/*.cpp)
+file(GLOB_RECURSE IMPL_SRC_MMCV_MLU RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} functions_mmcv/*.mlu)
 list(APPEND IMPL_SRC cnnl_helper.cpp)
+list(APPEND IMPL_SRC ${IMPL_SRC_MMCV})
+list(APPEND IMPL_SRC ${IMPL_SRC_MMCV_MLU})
 
 if (TEST)
     add_subdirectory(test)
 endif()
 
-add_library(${DEVICEIMPL} SHARED ${IMPL_SRC})
+BANG_ADD_LIBRARY(${DEVICEIMPL} SHARED ${IMPL_SRC})
 
 # third_party include
 set(THIRD_PARTY_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/../third_party/half/include)