1.21.6

• MatMulInteger
  Currently, MatMulInteger is implemented as tf matmul with int32 inputs/outputs, which leads to generation of Flex(Batch)MatMul ops.

  When -rtpo MatMulInteger is specified, inputs of MatMulInteger are casted to float32 instead, allowing the node to be converted to the builtin FullyConnected or BatchMatMul ops.

  ONNX input:
  

  Before:
  

  After:
  

What's Changed

• support suppressing flex ops for MatMulInteger by @DDoSolitary in #635

Full Changelog: 1.21.5...1.21.6