Abnormal CPU usage on new conversation page
Resolved 💬 2 comments Opened Apr 26, 2026 by lgjsd Closed Apr 26, 2026
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
What version of the Codex App are you using (From “About Codex” dialog)?
26.422.3464.0
What subscription do you have?
Pro
What platform is your computer?
Microsoft Windows NT 10.0.26200.0
What issue are you seeing?
The codex app is using higher CPU resouce on the initial conversation page:
<img width="1649" height="645" alt="Image" src="https://github.com/user-attachments/assets/8837364a-3c70-413c-82ef-00ee07ddcf33" />
After switching to one of the conversation, the usage is normal:
<img width="1462" height="466" alt="Image" src="https://github.com/user-attachments/assets/801bd048-a3b2-4ba1-8d27-fab0c77cb8fa" />
Also, the action of clicking on one of the conversation is laggy.
What steps can reproduce the bug?
Just open codex on the initial empty conversation page.
What is the expected behavior?
The CPU usage should be lower.
Additional information
This is a 16 cores 32 threads machine. 3-4% of usage means codex using half a cpu core on this page.
2 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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Checked, this is duplicated to the known issue of starting codex in a non-git repo.