microsoft / microsoft/terminal

Rendering with tcell under WSL is slow for the first 65s

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#18,225 2 comments 0 reactions 1 assignee Claimed by @lhecker View on GitHub
Issue-Bug Needs-Tag-Fix Priority-2 Product-Conpty Product-Terminal
Dominant language
C++
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Description

### Windows Terminal version

1.23.3231.0

### Windows build number

10.0.26100.0

### Other Software

_No response_

### Steps to reproduce

Under WSL run this: https://github.com/gdamore/tcell/blob/main/_demos/stress.go

### Expected Behavior

_No response_

### Actual Behavior

Initially the application runs super slow. After 65 seconds it suddenly becomes extremely fast (= the expected performance). Here you can see the transition between the two:

https://github.com/user-attachments/assets/765f5cbe-88b2-4c7e-a21c-bbdefb555687

Contributor guide

Open the contributing guide

Assessment

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