Fans being very loud when opening OpenCode, other apps are fine #17843

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1. Waftuf1

   added

   bugSomething isn't workingSomething isn't working

   on Mar 16, 2026
2. Waftuf1 commented on Mar 16, 2026

   

   Waftuf1

   on Mar 16, 2026

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   N/A
3. github-actions

   assigned

   thdxr

   on Mar 16, 2026
4. github-actions

   added

   perfIndicates a performance issue or need for optimizationIndicates a performance issue or need for optimization

   on Mar 16, 2026
5. github-actions commented on Mar 16, 2026

   

   github-actionsBot

   on Mar 16, 2026 – with GitHub Actions

   Contributor

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   This issue might be a duplicate of existing issues. Please check:

   • CPU usage is high #9358: CPU usage is high
   • Heavy CPU Usage and making my M1 mac laggy after updating #4818: Heavy CPU Usage and making my M1 mac laggy after updating
   • structuredClone regression causes high CPU/heat in v1.2.9+ #14458: structuredClone regression causes high CPU/heat in v1.2.9+
   • High CPU usage (100% single core) during TUI rendering #11119: High CPU usage (100% single core) during TUI rendering
   • High CPU usage since 1.1.60 using Ghostty #13490: High CPU usage since 1.1.60 using Ghostty

   If your issue is the same, please add a comment there instead so the team can track it in one place.
6. rekram1-node commented on Mar 16, 2026

   

   rekram1-node

   on Mar 16, 2026

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   Any pattern to this at all?
7. shaftoe commented on Mar 16, 2026

   

   shaftoe

   on Mar 16, 2026

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   Any pattern to this at all?

   If it can help I noticed this a while ago on up-to-date macbook air M1 and suddenly (~10 days ago?) stopped, probably after upgrading to a new release.

   I'd recommend OP @Waftuf1 to be sure latest is in use
8. mosfor commented on Mar 16, 2026

   

   mosfor

   on Mar 16, 2026

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   yeah if your talking about the desktop app sure it's really heavy for low budget laptop I had the same experience with it, makes my laptop crash a lot and it's the only app that do that no other IDE or heavy apps make my laptop goes hard like that
9. thdxr

   assigned

   jlongster

   and unassigned

   thdxr

   on Apr 26, 2026
10. thdxr

    removed

    bugSomething isn't workingSomething isn't working

    perfIndicates a performance issue or need for optimizationIndicates a performance issue or need for optimization

    on May 3, 2026
11. simonklee

    closed this as a duplicateof opencode utilization at 99-100% randomly - opencode unresponsive #33399 on Jun 24, 2026