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Tflite backend#93

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neil-tan wants to merge 125 commits intodevelopuTensor/utensor_cgen:developfrom tflite_backenduTensor/utensor_cgen:tflite_backendCopy head branch name to clipboard

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Commits on Apr 23, 2019

• WIP

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Commits on Apr 24, 2019

• - verified dependencies are importable

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Commits on Dec 6, 2019

• initial commit

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• op regristation

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• tied everything together; lacks of op factory/converter

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• uses Affine Quantization

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• private variable and member functions

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• float32 for intermediate tensors

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• - bugfixes in tflite_exporter.py

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• problem with tensor.isVariable()

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• problem reading back tensor buffers

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• tensor buffer bug fix

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• -fixed problem with builtin_opcode

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• iterables require reversing prior to flatbuffer prepending

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• refactoring: fb-vector-builder in progress

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• fb-vector-builder refactoring completed

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• - using flatbuffers 136d75fa6580ef87d1b7cbc243e617f21149852e

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• daily commit - ops require options; see TODO in tflite_exporter.py

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• OperatorAddBuiltinOptions breaks input tensors? try regenerate the flatbuffer python bindings

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• regenerated the fb python bindings

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• input1 tensor failed to print after invoke

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• - a more comprehensive test graph

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• binding data to the first input tensor

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• run test with "pytest -s tests/tflm"

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• clean up flatbuffers import

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• added flatbuffers to setup.py

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Commits on Dec 12, 2019

• updated this branch to use the new ugraph-constructor

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Commits on Feb 26, 2020

• - onnx frontend build ugraph done (missing shape and dtype)

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• update tests and fix transformers

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• making some transformer generic (not specific to tensorflow)

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Commits on Feb 27, 2020

• update pipfile, locks

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Commits on Feb 28, 2020

• lock file update

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Commits on Feb 29, 2020

• ortools mem allocation optimizer

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• tensor mem alloc: fix bug and add logging

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Commits on Mar 1, 2020

• tensor mem alloc visualization

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• minor fix

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• python3.5 compatible (no f-string)

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Commits on Mar 2, 2020

• remove data manager from snippet creation and update tests

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• cleanup DataManager, TensorLifeProbe transformer and update tests

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• Fix kwargs parsing bug, add include_inputs flag for tensor alloc transformer

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Commits on Mar 3, 2020

• better visualization

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• update README

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Commits on Mar 4, 2020

• use backendpart to refactor the offline memory planner

  

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• fix bugs and update tests (exclude slow test)

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Commits on Mar 5, 2020

• make graph_lower a submodule

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Commits on Mar 7, 2020

• Decouple graph transformation and code generator

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• update tests

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• Add test for cli speed

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• circle-ci: utf8 local

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Commits on Mar 8, 2020

• making tensor alloc lowering optional

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• update tests and add comments/docstrings

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• fix bug and update tests

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• make Configuration nearly unmutable object

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• Add notes to generated config file

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• Fix transformer bug and update tests

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Commits on Mar 9, 2020

• update plugin example

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• unify alloc plan format

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• Fix init signature and add comments

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Commits on Mar 10, 2020

• Fix indentation

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• making bakend part apply and transform abstract and put checks on them

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• update templates

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Commits on Mar 11, 2020

• add tests

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• Extensible OpEqualityDelegate

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• modify for brutal force version of memory planner

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• remove the unnecssary lib

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• change the default setting of memory planner

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• remove the brutal force memory planner

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• Merge pull request #105 from Knight-X/rearch_pr

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• Merge pull request #104 from uTensor/rearch

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• Merge pull request #103 from uTensor/ortools

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Commits on Mar 13, 2020

• resolve review issues

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• Add data alignment attribute for SpaceAllocation

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• better logging messages

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Commits on Mar 14, 2020

• add comments

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Commits on Mar 20, 2020

• merge develop and fixed a conflict

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• Merge remote-tracking branch 'origin/develop' into f/tflite-parser

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• resolve code review issues, including renaming and minor code

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• add new cnn pb file

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• update README.rst

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Commits on Mar 21, 2020

• resolve review issue: subroutines for rearch code generator and tests

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• minor update for tests

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Commits on Mar 24, 2020

• Add attributes to _Operator (rearch)

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Commits on Apr 1, 2020

• modify backend apply procedure

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• nightly

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Commits on Apr 7, 2020

• memory planner: make output tensors optionally included in the planning

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Commits on Apr 8, 2020

• before testing

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• merge onnx branch

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Commits on Apr 9, 2020

• seems to work on the first glance, expecting devils in the detail

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Commits on Apr 12, 2020

• checkpoint before reworking the quantization info

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• quantization param in generic type

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• minor cleanup

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Commits on Apr 15, 2020

• Add constructor signature for op factory

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Commits on Apr 18, 2020

• Resolve review issues

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Commits on Apr 20, 2020

• Formatting files

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• update lockfile

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Commits on Apr 21, 2020

• reformat file and add configuration to pylint

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Commits on Apr 23, 2020

• Fix "b"-prefix in the tensor names (with decoding to utf8)

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Commits on Apr 24, 2020

• addressing issues mentioned in the PR107 comments

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• fix node_name

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• Fix linting issues

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• fix minor issues and add test for tflite parser

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• Merge pull request #107 from uTensor/f/tflite-parser

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Commits on Apr 28, 2020

• re-arch code generator refactoring

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• clean up code

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Commits on Apr 30, 2020

• adding ops for code generator

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• minor fix: utils.prune_graph

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• rearch code generator beta

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• fix templates and type str

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Commits on May 1, 2020

• namespaces support (same optype, different namespaces)

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• Fix bug and minor refactor (removing misleading op_info attributes for _Operator)

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• Fix templates and snippets bug

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Commits on May 3, 2020

• method renaming to prevent misunderstanding

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Commits on May 4, 2020

• Fix TF2.0 imports and bugs (v1 and v2 behavior inconsistent)

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• update tests and fix onnx parser

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• add tests

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• TF 2.0 support

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• update requirements.txt

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• speed up loading time

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• prettify printing

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Commits on May 5, 2020

• cli refactoring and exporting high-level api

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Commits on May 6, 2020

• Add isort:skip_file

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• Add target kwargs to api

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• sync with release branch

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• remove frontend.tflite_flatbuffer module and update imports

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• update tests

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