# Swoole

> Coroutines on an event loop, async I/O like Node.js, and no framework overhead per request. Blocking extensions stall the loop. Holds realtime connections at 20 KB each.

## What it unlocks

[Swoole](https://wiki.playquorum.dev/runtimes/swoole.md)

## Prerequisites

Research these first: [PHP-FPM](https://wiki.playquorum.dev/research/php-fpm.md).

## Facts

Swoole
- **Track:** Runtimes
- **Era:** [Series A](https://wiki.playquorum.dev/eras/series-a.md)
- **Cost:** 2.25k 2.25k
- **Requires:** [PHP-FPM](https://wiki.playquorum.dev/research/php-fpm.md)

## See also

- [Research tree](https://wiki.playquorum.dev/research.md)

Source: https://wiki.playquorum.dev/research/swoole