enable tflite_2.2.0

[YongseopKim]

Makefile -> ./nnfw {configure|build} # if configure -> infra/nnfw/command/configure -> cmake infra/nnfw -> infra/nnfw/CMakeLists.txt

infra/nnfw/CMakeLists.txt

• infra/cmake/modules/*.cmake # like cmake features
• macro(nnfw_find_package PREFIX) -> nnfw/cmake/packages/${PREFIX}Config.cmake
• infra/nnfw/camke/CfgOptionFlags.cmake # which build?
• infra/nnfw/camke/ApplyCompileFlags.cmake # compile options
• compute/CMakeLists.txt
• runtime/CMakeLists.txt
• tests/CMakeLists.txt
• tools/CMakeLists.txt

example) compute/cker/CMakeLists.txt

• nnfw_find_package(Ruy REQUIRED)
• nnfw/cmake/packages/RuyConfig.cmake
  • nnfw/cmake/packages/RuySourceConfig.cmake # download ruy source
  • nnfw/cmake/packages/Ruy/CMakeLists.txt # build

runtime/libs/tflite/CMakeLists.txt

• nnfw_find_package(TensorFlowLite QUIET)
• nnfw/cmake/packages/TensorFlowLiteConfig.cmake
  • nnfw_find_package(...)
  • nnfw_find_package(TensorFlowSource)
  • download tensorflow v1.13.1
  • nnfw/cmake/packages/TensorFlowLite/CMakeLists.txt

compiler/nnkit-tflite/CMakeLists.txt

• nnas_find_package(TensorFlowLite QUIET EXACT 1.12)
  • infra/cmake/packages/TensorFlowLite-1.12/TensorFlowLiteConfig.cmake

[YongseopKim]

dragon@loki:~/Works/github/ONE$ tree ./runtime/libs/tflite/port/1.13.1/
./runtime/libs/tflite/port/1.13.1/
├── CMakeLists.txt
├── include
│   └── tflite
│       └── ext
│           ├── kernels
│           │   ├── CustomOps.h
│           │   ├── register.h # == lite/kernels/register.h
│           │   └── SquaredDifference.h
│           └── nnapi_delegate.h # == tflite/nnapi_delegate.h
└── src
    ├── kernels
    │   ├── register.cpp # == lite/kernels/register.cc
    │   └── SquaredDifference.cpp
    ├── nnapi_delegate.cpp # == lite/nnapi_delegate.cc # handle ops & custom op. change가 좀 많음
    └── nnapi_delegate_ex_AddOpsAndParams_lambda.inc

vs tflite 2.2.0

dragon@loki:~/Works/github/ONE$ tree ./runtime/libs/tflite/port/1.13.1/
./runtime/libs/tflite/port/1.13.1/
├── CMakeLists.txt
├── include
│   └── tflite
│       └── ext
│           ├── kernels
│           │   ├── CustomOps.h
│           │   ├── register.h # == lite/kernels/register.h
│           │   └── SquaredDifference.h
│           └── nnapi_delegate.h # == tflite/delegates/nnapi/nnapi_delegate.h
└── src
    ├── kernels
    │   ├── register.cpp # == lite/kernels/register.cc
    │   └── SquaredDifference.cpp
    ├── nnapi_delegate.cpp # == lite/nnapi_delegate.cc # handle ops & custom op. change가 좀 많음
    └── nnapi_delegate_ex_AddOpsAndParams_lambda.inc