ONE Release 1.20.0

Release Note 1.20.0

ONE Compiler

Compiler Frontend

• luci-interpreter supports multiple kernels with PAL layer including Cortext-M
• luci-interpreter supports integer tensor for partly kernels
• luci import support constant without coping to reduce memory for luci-interpreter
• Reduce duplicate codes to package released modules
• Limited support for ONNX LSTM/RNN unrolling while importing
• Limited support for ARM32 cross build
• Support new operator: SVDF
• New virtual CircleVariable to support tensor with variable
• Support quantization of BatchMatMul Op
• Support mixed(UINT8 + INT16) quantization
• Support backward propagation of quantization parameters
• Upgrade default python to version 3.8
• Support TensorFlow 2.8.0, ONNX-TF 1.10.0, ONNX 1.11.0
• Upgrade circle schema to follow tflite schema v3b
• Refactor to mio-tflite280, mio-circle04 with version and helpers methods
• Use one flatbuffers 2.0 version
• Drop support for TensorFlow 1.x
• Fix for several bugs, performance enhancements, and typos

ONE Runtime

Introduce TRIX backend

• TRIX backend supports trix binary with NHWC layout
• TRIX backend supports trix binary with input/output of Q8 and Q16 type

API supports new data type

• Symmetric Quantized int16 type named "NNFW_TYPE_TENSOR_QUANT16_SYMM_SIGNED"