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[RLlib] Examples folder cleanup: ModelV2 -> RLModule wrapper for migrating to new API stack. #47425

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merged 7 commits into from
Aug 30, 2024

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@sven1977 sven1977 commented Aug 30, 2024

Adds example script and RLModule example class for easy ModelV2 -> RLModule migration to new API stack using an old API stack Policy checkpoint.

Up next: Enhance the wrapper to work with a from_config option instead of the currently needed checkpoint.

Why are these changes needed?

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  • I've signed off every commit(by using the -s flag, i.e., git commit -s) in this PR.
  • I've run scripts/format.sh to lint the changes in this PR.
  • I've included any doc changes needed for https://docs.ray.io/en/master/.
    • I've added any new APIs to the API Reference. For example, if I added a
      method in Tune, I've added it in doc/source/tune/api/ under the
      corresponding .rst file.
  • I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
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Signed-off-by: sven1977 <[email protected]>
@sven1977 sven1977 enabled auto-merge (squash) August 30, 2024 11:09
@github-actions github-actions bot added the go add ONLY when ready to merge, run all tests label Aug 30, 2024
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LGTM. Great PR. This enables hopefully more users to move from old to new stack!

from ray.rllib.core.rl_module.apis.value_function_api import ValueFunctionAPI


__all__ = [
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Nice!!

del policy

def _forward_inference(self, batch: Dict[str, Any], **kwargs) -> Dict[str, Any]:
nn_output, state_out = self._model_v2(batch)
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Nice!!! So simple. I wonder if this works fine with any more complicated setup like LSTM or MARWIL

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Probably not :| but it's just a start ...

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I have a LSTM example script coming up in another PR (the one that adds the wrapper "from config").

@@ -31,11 +31,9 @@
}
)
.training(
gamma=0.99,
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Ah thanks. Forgot these ...

@@ -37,10 +37,8 @@
)
.training(
lr=0.0003 * ((args.num_gpus or 1) ** 0.5),
gamma=0.99,
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Removing b/c they are default?

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correct.

@@ -29,10 +29,8 @@
)
.training(
lr=0.0003 * ((args.num_gpus or 1) ** 0.5),
gamma=0.99,
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Same here ..

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LGTM.

@sven1977 sven1977 merged commit 3c950a1 into ray-project:master Aug 30, 2024
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@sven1977 sven1977 deleted the new_api_stack_migration_modelv2 branch August 30, 2024 16:00
ujjawal-khare pushed a commit to ujjawal-khare-27/ray that referenced this pull request Oct 12, 2024
ujjawal-khare pushed a commit to ujjawal-khare-27/ray that referenced this pull request Oct 15, 2024
ujjawal-khare pushed a commit to ujjawal-khare-27/ray that referenced this pull request Oct 15, 2024
ujjawal-khare pushed a commit to ujjawal-khare-27/ray that referenced this pull request Oct 15, 2024
ujjawal-khare pushed a commit to ujjawal-khare-27/ray that referenced this pull request Oct 15, 2024
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2 participants