# {py:mod}`evorl.algorithms.meta.pbt_ppo.param_ppo`

```{py:module} evorl.algorithms.meta.pbt_ppo.param_ppo
```

```{autodoc2-docstring} evorl.algorithms.meta.pbt_ppo.param_ppo
:parser: autodoc2_docstrings_parser
:allowtitles:
```

## Module Contents

### Classes

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`ParamPPOAgent <evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOAgent>`
  -
* - {py:obj}`ParamPPOWorkflow <evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOWorkflow>`
  -
````

### Functions

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`make_mlp_ppo_agent <evorl.algorithms.meta.pbt_ppo.param_ppo.make_mlp_ppo_agent>`
  - ```{autodoc2-docstring} evorl.algorithms.meta.pbt_ppo.param_ppo.make_mlp_ppo_agent
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
````

### API

`````{py:class} ParamPPOAgent
:canonical: evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOAgent

Bases: {py:obj}`evorl.algorithms.ppo.PPOAgent`

````{py:method} init(obs_space: evorl.envs.Space, action_space: evorl.envs.Space, key: chex.PRNGKey) -> evorl.agent.AgentState
:canonical: evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOAgent.init

```{autodoc2-docstring} evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOAgent.init
:parser: autodoc2_docstrings_parser
```

````

````{py:method} loss(agent_state: evorl.agent.AgentState, sample_batch: evorl.sample_batch.SampleBatch, key: chex.PRNGKey) -> evorl.types.LossDict
:canonical: evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOAgent.loss

```{autodoc2-docstring} evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOAgent.loss
:parser: autodoc2_docstrings_parser
```

````

`````

`````{py:class} ParamPPOWorkflow(env: evorl.envs.Env, agent: evorl.agent.Agent, optimizer: optax.GradientTransformation, evaluator: evorl.evaluators.Evaluator, config: omegaconf.DictConfig)
:canonical: evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOWorkflow

Bases: {py:obj}`evorl.algorithms.ppo.PPOWorkflow`

````{py:method} name()
:canonical: evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOWorkflow.name
:classmethod:

````

````{py:method} setup(key: chex.PRNGKey) -> evorl.types.State
:canonical: evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOWorkflow.setup

```{autodoc2-docstring} evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOWorkflow.setup
:parser: autodoc2_docstrings_parser
```

````

````{py:method} step(state: evorl.types.State) -> tuple[evorl.metrics.MetricBase, evorl.types.State]
:canonical: evorl.algorithms.meta.pbt_ppo.param_ppo.ParamPPOWorkflow.step

````

`````

````{py:function} make_mlp_ppo_agent(action_space: evorl.envs.Space, clip_epsilon: float = 0.2, actor_hidden_layer_sizes: tuple[int] = (256, 256), critic_hidden_layer_sizes: tuple[int] = (256, 256), normalize_obs: bool = False)
:canonical: evorl.algorithms.meta.pbt_ppo.param_ppo.make_mlp_ppo_agent

```{autodoc2-docstring} evorl.algorithms.meta.pbt_ppo.param_ppo.make_mlp_ppo_agent
:parser: autodoc2_docstrings_parser
```
````