Release Note for ONE 1.20.0 (#9046)

- Release Note for ONE 1.20.0

ONE-DCO-1.0-Signed-off-by: Chunseok Lee <[email protected]>
Co-authored-by: seongwoo chae <[email protected]>

docs/release/1.20/index.rst

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+.. ONE documentation master file, created by
+   sphinx-quickstart on Tue Apr 26 10:18:12 2022.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+1.20
+====
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+  ./release-note-1.20.0.md

docs/release/1.20/release-note-1.20.0.md

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+# 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"
+