* [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

* Support constant folding for reshape and broadcast bf16 data

* - Addressed PR feedback
- Adding extra paranthesis for icc

* Generalize types in general convolution

* type-o

* rounding

* Do prod wide

* templatize conv in cpu/kernel & add u8u8 support for Qconv

* Remove cast function

* Avoid compiler warning

* Merge problem

* Implement thread safe calls.

Create MKLDNN primitives on first iteratin for quantized_concat.

* Add buffer_data to CPURuntimeContext.

* Fix bugs.

* Modify unit test.

* Swap vectors of mkldnn primitive pointers for CODEGEN.

* Fix a bug.

* Address PR feedback.

* Rename variables.

* Update Gather, GatherND, and DeconvolutionBias.

* Fix style error.

Disable cpu thread_safe_calls test on Windows.

* - Added support for complex ops used in object detection models
  - PriorBox, PriorBoxClustered, Proposal, RegionYolo, ReorgYolo

* Added  unit test file

* Fix documentation errors

* IntelGPU backend: GroupConvolution implementation

* IntelGPU backend: GroupConvolution with clDNN support added

* use better ctor in cldnn

* IntelGPU backend: Use core fusion pass

* Add BatchFusion pass

* Refactor distributed to be isolated to a few files.

* Fix type-o

* style

* review comments

* type-o

* typo

* Return name

* Add ShapeRelevance pass

* Typo

* Change warmup to run full, normal iterations

* style