Qwen4 Powers Tumor Evolution Simulator: 46 FPS, 18 Self-Tests, Fair Treatment Logic

Key Info

A developer reported that Qwen4 performed most of the work on a tumor evolution simulator, including fixing treatment logic, optimizing performance to 46 FPS, adding 18 self-checks, and correcting a bug where a gentler plan secretly received more drug.

Highlights

• Qwen4 reworked treatment behavior to ensure fair comparison between plans.
• Achieved smooth operation at maximum speed (46 FPS).
• Added a built-in self-test with 18 checks.
• Fixed a bug caught by Opus where the gentler plan could receive more drug than the max-dose plan; self-test now fails if this occurs.