[API reference](https://evolu.dev/docs/api-reference) › [@evolu/web](https://evolu.dev/docs/api-reference/web) › availableParallelism

```ts
function availableParallelism(): number &
  Brand<"NonNaN"> &
  Brand<"Finite"> &
  Brand<"Int"> &
  Brand<"NonNegative"> &
  Brand<"Positive">;
```

Defined in: [Platform.ts:13](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/web/src/Platform.ts#L13)

Returns the amount of logical processors available to the browser.