# Improved Multi-monitor performance for all Linux users, thanks to PTB developer Mario

**URL:** https://psychtoolbox.discourse.group/t/improved-multi-monitor-performance-for-all-linux-users-thanks-to-ptb-developer-mario/4001
**Category:** Announcements
**Tags:** news
**Created:** [September 10, 2021, 1:52am UTC](https://psychtoolbox.discourse.group/t/improved-multi-monitor-performance-for-all-linux-users-thanks-to-ptb-developer-mario/4001 "2021-09-10T01:52:28Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Ian-Max-Andolina](https://yyz2.discourse-cdn.com/free1/user_avatar/psychtoolbox.discourse.group/ian-max-andolina/32/4_2.png) [@Ian-Max-Andolina](https://psychtoolbox.discourse.group/u/Ian-Max-Andolina)
#### Post date: [September 10, 2021, 1:52am UTC](https://psychtoolbox.discourse.group/t/improved-multi-monitor-performance-for-all-linux-users-thanks-to-ptb-developer-mario/4001/1 "2021-09-10T01:52:28Z")

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I just read this article, about current limitations to refresh rate with multi-monitor systems under Linux and a new optimisation to improve the OS, and actually this improvement was contributed by Mario:

[https://www.phoronix.com/scan.php?page=news\_item&px=X.Org-AsyncFlipSecondaries](https://www.phoronix.com/scan.php?page=news_item&px=X.Org-AsyncFlipSecondaries)

This is a clear example of the benefits of an open-source tool working under an open-source operating system 👍🏼