From 73e22429a4c274eac5556d52f2ee02993e618c84 Mon Sep 17 00:00:00 2001 From: Ronald Tse Date: Mon, 7 Sep 2026 23:15:35 +0200 Subject: [PATCH] docs: byte-parity contract scoped by precision (golden-v1 finding) --- docs/RESULTS.md | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/docs/RESULTS.md b/docs/RESULTS.md index a648aea..ba608a1 100644 --- a/docs/RESULTS.md +++ b/docs/RESULTS.md @@ -602,3 +602,27 @@ The residual is not data, not domain coverage, not an off/on-policy deficit. It is a property of the compression itself at this rung — the honest open question for the paper. On-policy stays listed in Paper B's future work with its measured negative attached. + +## Cross-runtime byte-parity is precision-scoped (2026-09-07, golden-v1) + +The golden matrix (12 models x 25 rows, generated from the released +zips on x86/ORT-1.23.2) exposes the true boundary of the byte-parity +contract, measured three ways (Python-x86 generator, Python-arm64, +TS-arm64; ORT 1.23.2 everywhere): + +- **fp32-class artifacts: byte-stable.** ara-diac-1.0 reproduced + exactly on arm64 before the run reached the quantized models. +- **Quantized artifacts (int8/int4): prefix-consistent, + stop-point-unstable.** Every divergent output is an exact PREFIX of + the golden (no contradictory content anywhere); the divergence is + exclusively WHERE decode emits EOS — the stop decision sits at a + near-tie on these flat distributions, and architecture-level float + accumulation differences (x86 container vs arm64, ORT-web vs + ORT-native) flip it. Same mechanism family as the beam-decode + pathology: likelihood ranking on near-uniform distributions. + +Contract, scoped and honest: **byte-identical across runtimes and +hardware for fp32/fp16; for quantized artifacts, quality parity (the +published per-model cer_delta gates) plus prefix-consistency.** +golden-v1's quantized rows are reference outputs (documented +hardware/ORT provenance), not byte-assertions.