ClaudeDevs (@ClaudeDevs) “Perf win of the day: Claude Code CLI now uses 2x less CPU at p99. Bun's garbage” — TopicDigg
ClaudeDevs
@ClaudeDevs
加入 February 2026
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Perf win of the day: Claude Code CLI now uses 2x less CPU at p99.
Bun's garbage collector was running on a fixed timer, so it would kick in mid-turn and steal CPU right when Claude Code was busiest. Now it waits until the process is idle.
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