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Clifford simulation
Noise-free stabilizer simulation on the CHP / Aaronson-Gottesman tableau, with a stim-style uppercase gate API (H, S, CX, CZ, M, R, ...).
qliffClifford + noisy stabilizer simulator
Native Rust core. Stim-style Python API.
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General noise, cheaply
Pauli, coherent and amplitude-damping channels via importance-sampled stabilizer trajectories with stratified variance reduction (arXiv:2512.07304).
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Decoder-ready QEC
Detectors, observables, detector error models and ready-made repetition, surface, color, subsystem and qLDPC codes. Six built-in decoders, or feed the exports to your own.
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Native core, Python surface
The tableau is a Rust crate exposed through PyO3: the hot path is compiled, every extension seam stays Pythonic.