# {py:mod}`evox.algorithms.so.es_variants.open_es`

```{py:module} evox.algorithms.so.es_variants.open_es
```

```{autodoc2-docstring} evox.algorithms.so.es_variants.open_es
:allowtitles:
```

## Module Contents

### Classes

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

* - {py:obj}`OpenES <evox.algorithms.so.es_variants.open_es.OpenES>`
  - ```{autodoc2-docstring} evox.algorithms.so.es_variants.open_es.OpenES
    :summary:
    ```
````

### API

`````{py:class} OpenES(pop_size: int, center_init: torch.Tensor, learning_rate: float, noise_stdev: float, optimizer: typing.Literal[adam] | None = None, mirrored_sampling: bool = True, device: torch.device | None = None)
:canonical: evox.algorithms.so.es_variants.open_es.OpenES

Bases: {py:obj}`evox.core.Algorithm`

```{autodoc2-docstring} evox.algorithms.so.es_variants.open_es.OpenES
```

```{rubric} Initialization
```

```{autodoc2-docstring} evox.algorithms.so.es_variants.open_es.OpenES.__init__
```

````{py:method} step()
:canonical: evox.algorithms.so.es_variants.open_es.OpenES.step

```{autodoc2-docstring} evox.algorithms.so.es_variants.open_es.OpenES.step
```

````

````{py:method} record_step()
:canonical: evox.algorithms.so.es_variants.open_es.OpenES.record_step

````

`````