# Introduction to Eio (video)

**URL:** <https://discuss.ocaml.org/t/introduction-to-eio-video/11571>\
**Category:** Community\
**Tags:** multicore, effects, concurrency, eio\
**Created:** [March 3, 2023, 10:20am UTC](https://discuss.ocaml.org/t/introduction-to-eio-video/11571 "2023-03-03T10:20:53Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![talex5](https://sea2.discourse-cdn.com/flex020/user_avatar/discuss.ocaml.org/talex5/32/353_2.png) [@talex5](https://discuss.ocaml.org/u/talex5)\
**Post date:** [March 3, 2023, 10:20am UTC](https://discuss.ocaml.org/t/introduction-to-eio-video/11571/1 "2023-03-03T10:20:53Z")

</div>

I gave an introduction to Eio talk at Tarides last week, and afterwards we thought it might be worth sharing it more widely. I covered more about how Eio compares with Lwt than the README does, and the video includes a short example at the start of me converting some existing code to use effects:

> **[Introduction to Eio by Thomas Leonard](https://watch.ocaml.org/w/02a7accc-2a2c-44d5-889e-d75e1489946e)**
>
> This talk introduces the Eio library, a replacement for Lwt that uses the new effects and multicore features in OCaml 5. It was an internal tech talk given at Tarides, but we later decided to share it more widely.