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Hybrid conformer export #6995

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@github-actions github-actions bot commented Jul 7, 2023

What does this PR do ?

Allows export of Hybrid Models with either RNNT decoder (in two parts) or with CTC decoder as single encoder-decoder module.
Usage: python scripts/export.py file.nemo file.onnx --config decoder_type=[ctc|rnnt]

Collection: [ASR]

Changelog

  • Add specific line by line info of high level changes in this PR.

Usage

python scripts/export.py file.nemo file.onnx --config decoder_type=[ctc|rnnt]

Add a code snippet demonstrating how to use this


# Before your PR is "Ready for review"
**Pre checks**:
- [ ] Make sure you read and followed [Contributor guidelines](https://github.com/NVIDIA/NeMo/blob/main/CONTRIBUTING.md)
- [ ] Did you write any new necessary tests?
- [ ] Did you add or update any necessary documentation?
- [ ] Does the PR affect components that are optional to install? (Ex: Numba, Pynini, Apex etc)
  - [ ] Reviewer: Does the PR have correct import guards for all optional libraries?
  
**PR Type**:
- [ ] New Feature
- [ ] Bugfix
- [ ] Documentation

If you haven't finished some of the above items you can still open "Draft" PR.


## Who can review?

Anyone in the community is free to review the PR once the checks have passed. 
[Contributor guidelines](https://github.com/NVIDIA/NeMo/blob/main/CONTRIBUTING.md) contains specific people who can review PRs to various areas.

# Additional Information
* Related to # (issue)

* Implemented generic kv-pair setting of export_config from args

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>

* Hybrid conformer export

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>

* Hybrid decoder export

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>

* Cleanup

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>

* Changed from **kwargs

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>

* Docstring

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>

* Docs added

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>

* Stringify args

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>

* Added docs for ASR export configs

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>

* lowercase ctc

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>

---------

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>
@github-actions github-actions bot added ASR cherry-pick core Changes to NeMo Core labels Jul 7, 2023
@github-actions github-actions bot requested a review from borisfom July 7, 2023 21:32
@titu1994 titu1994 merged commit 94e1efa into main Jul 7, 2023
@titu1994 titu1994 deleted the cherry-pick-main-b5cb7831ddac10c6a6be57d21cfd09dbc3b10c36 branch July 7, 2023 21:52
gshennvm pushed a commit that referenced this pull request Jul 12, 2023
* Implemented generic kv-pair setting of export_config from args



* Hybrid conformer export



* Hybrid decoder export



* Cleanup



* Changed from **kwargs



* Docstring



* Docs added



* Stringify args



* Added docs for ASR export configs



* lowercase ctc



---------

Signed-off-by: Boris Fomitchev <bfomitchev@nvidia.com>
Co-authored-by: Boris Fomitchev <borisfom@users.noreply.github.com>
Signed-off-by: Gerald Shen <geshen@nvidia.com>
gshennvm pushed a commit that referenced this pull request Jul 12, 2023
* Implemented generic kv-pair setting of export_config from args



* Hybrid conformer export



* Hybrid decoder export



* Cleanup



* Changed from **kwargs



* Docstring



* Docs added



* Stringify args



* Added docs for ASR export configs



* lowercase ctc



---------

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Co-authored-by: Boris Fomitchev <borisfom@users.noreply.github.com>
Signed-off-by: Gerald Shen <geshen@nvidia.com>
ericharper added a commit that referenced this pull request Jul 13, 2023
* Add end_strings to SamplingParams

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* Add end_strings to sampling params

Signed-off-by: Gerald Shen <geshen@nvidia.com>

* Remove extra_id_1 from default end_strings

Signed-off-by: Gerald Shen <geshen@nvidia.com>

* Fix require_grad typos (#6930)

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* fix syntax error

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* rnnt_greedy_decoding.py: typos? auto-repressively -> auto-regressively (#6989)

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Signed-off-by: Gerald Shen <geshen@nvidia.com>

* Cache handling without input tensors mutation (#6980) (#6996)

* Cache handling without input tensors mutation



* Cleanup



* Cleanup#2



* Cleanup#3



---------

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* Fixing an issue with confidence ensembles (#6987) (#7004)

* Bug fix for the confidence ensembles



* Relax constraints for the test



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