heun.md

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# Heun scheduler inspired by Karras et. al paper

## Overview

Algorithm 1 of [Karras et. al](https://arxiv.org/abs/2206.00364).
Scheduler ported from @crowsonkb's https://github.com/crowsonkb/k-diffusion library:

All credit for making this scheduler work goes to [Katherine Crowson](https://github.com/crowsonkb/)

## HeunDiscreteScheduler
[[autodoc]] HeunDiscreteScheduler