QOS: Quantum Operating System
summary
QOS is a modular quantum OS with an LLVM-like compiler and a runtime (estimator, compatibility-based multi-programming, scheduler) implemented in Python on top of KissKit that maps, optimizes, bundles and schedules circuits on IBM QPUs. Evaluation uses 7,000 real runs across >70,000 benchmark instances and reports effective utilization improvements up to 9.6×, waiting-time reductions up to 5×, and fidelity gains of 2.6–456.5× while only trading off ~1–3% fidelity on average for higher throughput.
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chapters (11)
- 0:00Introduction to QOS
- 1:42Quantum programming basics
- 3:28Quantum circuit challenges
- 6:59Fidelity versus efficiency
- 7:41QS as unified quantum OS
- 8:24QS system design overview
- 9:27Compiler for higher fidelity
- 10:51Multiprogrammer for CPU use
- 11:52Scheduler balancing fidelity
- 12:57Performance evaluation results
- 14:43Conclusion and future
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