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opencode uses ~30-50% CPU per process and slows LLM responses to a crawl #679

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@bczsalba

Again, only happens on my Ubuntu machine. Claude Sonnet 4 with API credentials, didn't use to happen as late as 0.1.172 and definitely was a problem by 0.1.176. I can pinpoint it down further in a few hours if necessary.

Immediately on the compose screen it ramps to around 20-30% CPU usage per process, but I've also seen it as high as 70-90% PP. LLM responses slow down with increased CPU usage too. That part could be throttling on the OS side, but I don't see a reason this machine should have much of a problem running opencode.

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