# {py:mod}`evox.algorithms.so.pso_variants.utils`

```{py:module} evox.algorithms.so.pso_variants.utils
```

```{autodoc2-docstring} evox.algorithms.so.pso_variants.utils
:allowtitles:
```

## Module Contents

### Functions

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

* - {py:obj}`min_by <evox.algorithms.so.pso_variants.utils.min_by>`
  - ```{autodoc2-docstring} evox.algorithms.so.pso_variants.utils.min_by
    :summary:
    ```
* - {py:obj}`random_select_from_mask <evox.algorithms.so.pso_variants.utils.random_select_from_mask>`
  - ```{autodoc2-docstring} evox.algorithms.so.pso_variants.utils.random_select_from_mask
    :summary:
    ```
````

### API

````{py:function} min_by(values: typing.List[torch.Tensor], keys: typing.List[torch.Tensor]) -> typing.Tuple[torch.Tensor, torch.Tensor]
:canonical: evox.algorithms.so.pso_variants.utils.min_by

```{autodoc2-docstring} evox.algorithms.so.pso_variants.utils.min_by
```
````

````{py:function} random_select_from_mask(mask: torch.Tensor, count: int, dim: int = -1) -> torch.Tensor
:canonical: evox.algorithms.so.pso_variants.utils.random_select_from_mask

```{autodoc2-docstring} evox.algorithms.so.pso_variants.utils.random_select_from_mask
```
````