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High CPU usage just by waiting user input #8667

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High CPU usage just by waiting user input#8667
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rekram1-node
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bugSomething isn't workingopentuiThis relates to changes in v1.0, now that opencode uses opentuiperfIndicates a performance issue or need for optimizationwindows

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@klonuo
klonuo
opened on Jan 15, 2026

Description

When opencode needs user input, be it for permission or plan execution, the CPU usage is very high just by doing nothing apparently

Plugins

No response

OpenCode version

1.1.21

Steps to reproduce

No response

Screenshot and/or share link

I recorded CPU while opencode was waiting permission answer:

Image

Operating System

WSL Ubuntu / Windows 11

Terminal

wt

Activity

  1. klonuo
    added
    bugSomething isn't working
    on Jan 15, 2026
  2. github-actions
    assigned
    rekram1-node
    on Jan 15, 2026
  3. github-actions
    added
    opentuiThis relates to changes in v1.0, now that opencode uses opentui
    perfIndicates a performance issue or need for optimization
    windows
    on Jan 15, 2026

  4. caozhiyuan commented on Jan 21, 2026

    @caozhiyuan
    caozhiyuan
    on Jan 21, 2026
    Contributor

    @klonuo try disable animations

    Image

  5. caozhiyuan commented on Jan 21, 2026

    @caozhiyuan
    caozhiyuan
    on Jan 21, 2026
    Contributor

    also set OPENCODE_DISABLE_TERMINAL_TITLE=1

  6. klonuo
    closed this as completedon Jan 21, 2026
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bugSomething isn't workingopentuiThis relates to changes in v1.0, now that opencode uses opentuiperfIndicates a performance issue or need for optimizationwindows

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