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Add support for pre and post linear modules in create_mlp #1975

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merged 5 commits into from
Jul 22, 2024

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@araffin araffin commented Jul 20, 2024

Description

Related to #1069 and #1036 and Stable-Baselines-Team/stable-baselines3-contrib#243 (DroQ and CrossQ)

I also added missing tests for create_mlp.

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  • I have raised an issue to propose this change (required for new features and bug fixes)

closes #1069

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  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to change)
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Note: we are using a maximum length of 127 characters per line

else:
modules = []
for module in pre_linear_modules:
modules.append(module(input_dim))
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Is the input dim the same for all modules?

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I think I get it. It only allows modules that have the same input/output dimension.

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maybe it is clearer with this test:

# assert net == [nn.BatchNorm1d(6), nn.Linear(6, 8), nn.LayerNorm(8), nn.ReLU()
# nn.BatchNorm1d(6), nn.Linear(8, 12), nn.LayerNorm(12), nn.ReLU(),
# nn.BatchNorm1d(12), nn.Linear(12, 2)] # Last layer does not have post_linear

shall I add a comment to avoid confusion?

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araffin and others added 2 commits July 22, 2024 11:34
@araffin araffin merged commit 000544c into master Jul 22, 2024
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@araffin araffin deleted the feat/additional-modules-mlp branch July 22, 2024 11:42
friedeggs pushed a commit to friedeggs/stable-baselines3 that referenced this pull request Jul 22, 2024
)

* Add support for pre and post linear modules in `create_mlp`

* Disable mypy for python 3.8

* Reformat toml file

* Update docstring

Co-authored-by: Quentin Gallouédec <[email protected]>

* Add some comments

---------

Co-authored-by: Quentin Gallouédec <[email protected]>
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[Question] Policies with layer normalization
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