Spu

- [Feature] Improve secret dynamic slicing performance
- [Feature] Improve accuracy of tanh approximation
- [Example] Add flax GPT2
- [Example] Add ResNet
- [Bugfix] Fix gen cache in unbalanced psi
- [Bugfix] Fix possible compilation cache collision
- [Improvement] Improve accuracy of mean with large size input
- [Improvement] Improve support of Jax 64bit mode
- [API] Add compiler options

20230406

- [Feature] Add TrustedThirdParty beaver provider for semi2k
- [Feature] Expose ssl/tls options
- [Feature] Add EpsilonOp
- [Feature] Support CaseOp
- [Feature] Improve sort performance
- [Feature] Improve shift performance
- [Feature] Support shift by secret number of bits
- [Feature] Support secret indexing
- [Feature] Add PIR python binding
- [bugfix] Fix boolean ConstantOp
- [bugfix] Fix jnp.median
- [bugfix] Fix jnp.sort on floating point inputs
- [bugfix] Fix secret sort with public payloads
- [3p] Relax TensorFlow version in requirements.txt
- [3p] Move to OpenXLA
- [API] Move C++ API from spu to libspu
- [PSI] Add ecdh-oprf 2-party two stage mode.

20230104

- [API] Add get_var_meta
- [API] Change ValueProto to bytes in Runtime/IO binding API
- [Feature] Add SPU logging
- [Feature] ECDH-PSI supports white box interconnection mode
- [Feature] Various performance improvements
- [Feature] Lift IfOp condition limit
- [bugfix] Fix various crashes
- [3p] Build with Tensorflow 2.11.0
- [3p] Update JAX to 0.4.1

20221116

- [API] Add IR type for frontend compilation
- [Feature] Support SignOp, Expm1Op, DotGeneralOp
- [Feature] Improve convolution performance
- [Feature] Link Send/Recv python binding
- [bugfix] Relax iota type constraint
- [bugfix] Fix type inference for whileOp/dynamicUpdateSliceOp
- [bugfix] Relax clamp type constraint
- [bugfix] Fix NotOp with non-pred integer types

20220905

- [bugfix] Fix Tensorflow example
- [miscs] Performance improvements

20220822

- [Feature] Add compiler cache
- [Feature] Support bc22-pcg psi
- [API] Refactor psi api
- [miscs] Various performance improvements

20220727