Why it matters

Reproducibility is scientific standard. Bit-exact hard at scale; statistically similar OK.

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The architecture

Pin seeds + versions + data.

Deterministic algorithms optional.

Record all env.

Training reproducibilityPin seeds+ versionsDeterministic algosoptional (slower)Record envfor reproductionPyTorch deterministic mode is slower; statistical repro usually sufficient
Training reproducibility.
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How it works end to end

Pin everything.

PyTorch deterministic.

Statistical repro OK.