RES — Cross-architecture (x86_64 vs arm64 Apple Silicon) bit-exactness of F1/MAE…
Cross-architecture (x86_64 vs arm64 Apple Silicon) bit-exactness of F1/MAE is theoretically expected under T=0.0 + seed=42 + same model digest (Q4_K_M greedy decoding), with logprobs differing only by FP rounding ~1e-5..1e-3; this remains empirically unverified for lack of Apple-Silicon hardware.
Source: puma docs/CROSS_ARCH_REPRODUCIBILITY.md · Traceability: corpus unit
PUMA-037· Confidence: repo-backed