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This PR aims to remove alpha and beta attributes from dot operator completely.

Previously dot operator was defined as C = alpha * A . B + beta * C where * is scalar multiplication and . is dot product or matrix multiplication depending on dimension of the inputs.

Aim is to have the definition of dot operator as C = A . B without having alpha or beta.

In order to achieve the same effect as alpha and beta (1) it multiplies the one of the inputs to the dot operator with alpha value. (2) if beta is present then, multiplies the C with beta and then adds into the output from step 1.

* rename broadcast and multibroadcast output_lens attribute to out_lens attribute, and change tests and source code to reflect the same

* change the reshape attribute from dims to out_lens

* change transpose attribute's name from dims to perm to reflect better meaning

* use permutation instead of perm for transpose

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* use dims instead of out_lens for reshape

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* Add operators, refactor parsers, add rewrite passes, add tests

* Add ref implementations

* Move broadcasting of scales and zero points to onnx parser

* Allow for x and zero_point to have different types in quantizelinear; fix zero_point default type

* Switch certain variables to int64_t

* Fix overflow in implicit constant conversion

* Remove operators.hpp from includes in tf_test.cpp

* Add conversion for int32 input to quantizelinear and add test case; remove operators.hpp from onnx_test.cpp includes

* Switch dequantizelinear math from int32 to float

* Remove changes to operators.hpp

* Simplify apply_quantizelinear

* Add verify test for int32 data

* Add rewrite_quantization back to CMakeLists

* Add passes to insert qdq after add_bias is applied, replace quant_ops, and remove remaining qdq pairs

* Renaming, refactoring, cleaning up code, adding formal test, and adding passes to targets

* Renaming, review comments, begin adding more specific tests

* Add more specific unit tests

* Fix failing test on CI

* Correct matcher and update qop rewriting, update tests and add more tests

* Update matcher, clean up simplify_qdq, tweak tests

* Add tests, remove pass from CPU target, update dot parameters, clean up simplify_qdq

* Fix correctness bug in ref q/dq implementations; edit gemm parser to make beta always 0.0

* Remove unused variables in onnx gemm tests

* fix an issue for type mismatch in parsing gemm

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* add unit tests

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* add missing onnx file
Co-authored-by: Chris Austen <causten@users.noreply.github.com>

* gemm_test_workign

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tests passing

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look for beta not equal to one

* make_use of broadcastable_binary_op

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* make use of common_op

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* move transposes after multiplication

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fix transpose

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fix cpp check

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* fix parsing conditions and ci fails

* Load op when serializing

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* Add missing clip field

* Use make_op almost everywhere

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* More make ops for rnns

* Get rid of spaces

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* Remove operators headers

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* Remove unused op headers

* Increase line threshold

* Refactor onnx_parser class

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* Add op_parser

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* Remove old onnx drivers

* Use file GLOB

* Parse arg ops

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* Add pooling

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* Add parse_natchnorm

* Add more operators

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* Add more operators

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* Add more operators

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* Add more operators

* Add rnn operators

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* Fix tidy issues

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* Add back missing param

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* Fix shadow variable

* Fix shadow in declaration

* Make global constant

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* Add generic op

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* Add binary op

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* Add variadiac op

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* Remove unused fields and functions

* Set default values

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* Remove unused member variable

* Add add literal overload

* Use info.add_literal

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* Call add_instruction through info class

* Fix tidy issues

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Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>