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Retro theme bad performance and high GPU usage #11932

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opened 2026-01-31 03:01:28 +00:00 by claunia · 1 comment
claunia commented 2026-01-31 03:01:28 +00:00
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Originally created by @clicktodev on GitHub (Dec 31, 2020).

Environment

Windows build number: [10.0.18363.1256]
Windows Terminal version (if applicable): 1.4.3243.0
GPU: Intel UHD Graphics 630, Terminal is not using my Nvidia GPU GTX 1050TI but the integrated graphics should be plenty to handle a simple terminal theme.

Steps to reproduce

Enable Retro theme found in the official docs: https://docs.microsoft.com/en-us/windows/terminal/custom-terminal-gallery/retro-command-prompt

Expected behavior

A simple theme like this simply shouldn't be consuming the resources like it currently does

Actual behavior

Extremely high GPU usage: Not only does GPU usage reach +80%, but the performance is very bad, there's obvious delay when displaying key strokes.
image

Originally created by @clicktodev on GitHub (Dec 31, 2020). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> <!-- This bug tracker is monitored by Windows Terminal development team and other technical folks. **Important: When reporting BSODs or security issues, DO NOT attach memory dumps, logs, or traces to Github issues**. Instead, send dumps/traces to secure@microsoft.com, referencing this GitHub issue. If this is an application crash, please also provide a Feedback Hub submission link so we can find your diagnostic data on the backend. Use the category "Apps > Windows Terminal (Preview)" and choose "Share My Feedback" after submission to get the link. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment ```none Windows build number: [10.0.18363.1256] Windows Terminal version (if applicable): 1.4.3243.0 GPU: Intel UHD Graphics 630, Terminal is not using my Nvidia GPU GTX 1050TI but the integrated graphics should be plenty to handle a simple terminal theme. ``` # Steps to reproduce Enable Retro theme found in the official docs: https://docs.microsoft.com/en-us/windows/terminal/custom-terminal-gallery/retro-command-prompt # Expected behavior A simple theme like this simply shouldn't be consuming the resources like it currently does # Actual behavior Extremely high GPU usage: Not only does GPU usage reach +80%, but the performance is very bad, there's obvious delay when displaying key strokes. ![image](https://user-images.githubusercontent.com/34947993/103419000-67dfe680-4b91-11eb-9f50-e8dfa8e891ec.png)
claunia added the Resolution-By-DesignNeeds-TriageNeeds-Tag-Fix labels 2026-01-31 03:01:28 +00:00
claunia commented 2026-01-31 03:01:30 +00:00
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@DHowett commented on GitHub (Dec 31, 2020):

It's a pixel shader marked "experimental" with known performance issues. This is by design.

@DHowett commented on GitHub (Dec 31, 2020): It's a pixel shader marked "experimental" with known performance issues. This is by design.
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Reference: starred/terminal#11932
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