* Move HardSigmoid to nGraph fused operators.

* UT for HardSigmoid fused operator.

* Add type_prop UT.

* Activation function parameters and hardsigmoid activation function.

* UT for lstm with hardsigmoid activation function.

* Reorder operations in implementation.

* Fix unit tests.

* Fix typo.

* Change stored activation function to pure function pointer.

* Apply style-check.

* [ONNX] Refactor LSTM tests to use NgraphTestCase

* Enable passing instance values to comparator

* Style apply.

* Fix style, syntax

* Change order of class member to fix errors.

* Switch to single-precision parameters.

* Disable unit test for IGPU.

* Fused Clamp op implementation

* Basic clamp test with some edge cases

* Dump the expected and actual values for NgraphTestCase

* Validate the min and max params for Clamp

* Use clamp in clip

* Disable Clamp and its test on iGPU

* Use getters for Clamp's parameters

* Validate clamp's params in pre_validate_and_infer_types

* Unit tests for clamp op validation

* Revert "Dump the expected and actual values for NgraphTestCase"

This reverts commit 3a029d70e62339ee84aadf2bf16e418281b85ff7.

* Clamp op docs

* Add create_dynamic_tensor function to Backend signature

* Add skeleton of dynamic wrapper class

* Simple test for construction

* Some progress on dynamic tensor creation

* Compile dynamic wrapper into core; change config string to a factory option

* Add wrapped executable, working on simple example

* Add wrapped dynamic tensor

* Update to match new tensor API

* Update wrapper to clone the graph; basic dyn test now passes

* Update call_with_validate to grok dynamic

* Make the unit tests a little prettier

* Make get_element_type virtual

* Change dynamic tests to be backend-parametric; fix get_element_type check for dyn tensors

* Add dynamic.in.cpp

* CODEOWNERS entry for dynamic_wrapper

* Remove overly-accommodating behavior for create_dynamic_tensor on non-dynamic BEs

* Pass enable_performance_collection to wrapped compile() calls

* More comments in the 'abc' test

* Fix 'create' wrapper in pybind11

* Remove unnecessary WrappedStaticTensor class

* Better names for the classes, and add some docstrings

* Fix pybind for 'create' to return shared_ptr now

* Add interpret_as_scalar helper

* Add interpret_as_scalar to OneHot

* clang-format

* Remove interpret_as_scalar from OneHot

We currently only support OneHot with constant depth

* Review comments

* Move HardSigmoid to nGraph fused operators.

* UT for HardSigmoid fused operator.

* Add type_prop UT.

* Reorder operations in implementation.

* Fix unit tests.

* Fix typo.

* Apply style-check.

* Switch to single-precision parameters.

* Disable unit test for IGPU.

* Some hacks for graph visualization

* More betterer

* Remove debug prints

* Cheap temporary hack to deal with zombie users issue

* Less hacky fix for the zombie users issue

* Change to use get_name instead of get_friendly_name; misc. cleanup of dot output

* Allow '.dot' as VisualizeTree output format, and make it default

* Cleanup, and some documentation of this jump distance nonsense

* Comment edits

* Another comment edit

* Fix typo

* Remove reverse_topological_sort function (it's not needed)

* Rewrite the MPI_Finalize

* Change destructor to virtual finalize

* Test

* More bug fix

* Delete space

* Add variable to control initialization and finalization

* Add a bool variable to control initialization and finalization for openmpi and mlsl

* wip

* Add support for storing constant array of constant values as a single values that is automatically broadcast on deserialize

* revert some changes to serializer.cpp

* fix all_close_f to support nan and inf to allow for unit test

* update unit tests to pass for all_close_f update

* fix bug with i64

* address compile issues?

* change function name to be more accurate

* fix compiler error

* [ONNX] Hardmax implementation in the onnx importer

* [ONNX] More generic handling of types in hardmax

* [ONNX] Support for doubles in EmbeddingLookup CPU builder

* [ONNX] Throw when the provided axis is out of range

* [ONNX] Skip the hardmax test on GPU

* Unused headers clean-up

* refactor: move the identity matrix generator to common.hpp

* ASSERT_VALID_ARGUMENT for axis range validation

* Adapt to the code changes in master

* [ONNX] Refactor LSTM tests to use NgraphTestCase

* Enable passing instance values to comparator

* Review comments

* Update section on Homomorphic Encryption transformer

* Make sure other updated files get added to git commit

* Clarify that rc versions may have newer features and may be less stable.

* Prettier formatting because vectors are important

* Minor review changes

* IntelGPU backend: change code owner

* Add Sevin

* quantization cleanup

* offset changed to zero point

* fix failing tests

* code style

* code style

* Use pragma clang only if compiler is Clang.

* Revert "Use pragma clang only if compiler is Clang."

This reverts commit f3deae9b59e950c9a282f9dac59e6c1a89c7c0f8.

* replace pragma clang with pragma GCC

* Add Tile op

* Added Tile op header to GPU backend

* Add dummy GPU tile emitter

* Interpreter working

* cleanup

* cleanup

* add CPU backend

* Update the rest of the backends

* update python API

* update test_case to use new shared_ptr

* Move transpose and flatten to ngraph op utils dir

* Move gemm operator into ngraph fused ops

* Style fix

* Add Gemm to serializer

* Add type_prop test for gemm

* Use Gemm default values

* Add UT for Gemm

* Fix comments

* Little cleanup

* Remove artifact headers

* Fix gemm documentation

* Skip gemm test on GPU

* Add test for broadcasting input C

* Review fix pt. 1

* Fix typo

* add dynamic function support to GraphRewrite.

* add pass property to constant folding pass.

* namespace clean up.

* fixed comment.

* Add build option NGRAPH_ENABLE_CPU_CONV_AUTO to enable/disable mkldnn convolution_auto for CPU backend.

* Add to target_compile_definitions.

* Fix style error.

* Fix the cpu thread_safe_calls test on Windows.

* Use notify_one.

* ngraph core changed

* cpu bits + pattern

* change perms

* revert std::cout to NGRAPH_DEBUG

* fix comp errors

* fix comment

* more comment fixes

* Remove callback argument

* clean up.

* fixed tests.

* more fixes for backends.

* fixe namespace.

* similar fix for recurrent matcher, and improves.

* fix build.

* Fix convbias and 1dconv for CODEGEN.

* Address PR feedback.

* Address PR feedback.

* - Adding DetectionOutput and Interpolate layers

* Adding Unit tests

* Name fix

mklml on linux has no soname set. This will cause linking against the full path for mklml when using prebuilt mkldnn and mklml. (#2851)

* Klocwork issues.

* Revert to dynamic_pointer_cast

* - add support to algebriac simplification to check dynamic shapes against the Pass Properties

* - added PassProperty to RecurrentMatcher
- added checks to check for dynamic function state  and PassProperty in GraphRewrite before applying graph optimization
- optimize number of calls to f->is_dynamic() in AlgebraicSimplification

* - make changes to Algebriac Simplicfication graph pass to accept PassProperty

* - test case for AlgebraicSimplification pass properties
- set the Pass Property in the pass ctor

* Address PR comments

* fix bug in pass manager

* Addressed PR comments

* Update for v 0.19

* Add rnotes from github releases page

* Add section on graph inspection tools, add link to HE transformer, and fix link to ngraph bridge for Tensorflow

* Fix broken links

* Remove MANYLINUX from list of default flags

* Revise some for new script loc

* Add stub for ngc_util python script

* Might as well link to open source file

* original file from Vasanth Tovinkere

* updated to handle more attributes.

* Update new script loc and details

* Revise intro

* Clarify large graphs generated from script best read on gephi or cytoscape only

* Edit oddly-worded sentence for clarity

* Delete ngraph_json_to_graphml.py

* Delete ngc_util.py

* Add nGraph logo, update color scheme, disallow preprocessing of frontends' markdown UI

* Finalize doc changes for release v0.19

* PR feedback on nGraph-friendly tools

* Basic float16

* Basic fp16 support

* typo

* Create mkldnn primitives at first iteration for CODEGEN.

 OPs: add, lstm, and rnn.

*  OPs: batchnorm.

*  OPs: concat and lrn.

Remove dead code.

* Skip in place concat, relu, reshape, and slice when building node_primitive_string_deps_index map.

* Change NGRAPH_ASSERT to NGRAPH_CHECK.

* Ops: Qconv

* Ops: Convs

* Address PR Feedback.

* Dynamic scale support for qconvs

* updating to amy's recent change

* GroupConv and Cleaning dead code

* Address PR Feedback.

* Remove unused variable.

* Fix a bug.

* Fix style error.

* Change CPU backend to use PassConfig instead of backdoor for codegen

* move is_codegen decl to output dex only flag

* revert change

* Remove parameter, result, and node vector files and class, use vector

* Fix gcc issues

* style

* Remove python references

* update python files

* fix error

* fix build error