# YJIT

> Ruby’s JIT: 1.3× CPU work for 20% more memory.

## Prerequisites

Research these first: [Ruby](https://wiki.playquorum.dev/research/lang-ruby.md).

## Facts

YJIT
- **Track:** Runtimes
- **Era:** [Seed](https://wiki.playquorum.dev/eras/seed.md)
- **Cost:** 400 400
- **Requires:** [Ruby](https://wiki.playquorum.dev/research/lang-ruby.md)

## See also

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

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