{ "schema_version": 2, "status": "validated_frozen_w8_holdout", "model": "Qwen3-1.7B", "mechanism": { "transformer_projection_weights": "W8 per-tensor K-means palettization", "tied_embedding": "INT8 per-tensor quantization", "compute": "FP16", "kv_cache": "FP16 fixed-size", "maximum_context_tokens": 4096 }, "comparison_reference": "Frozen uncompressed reference logits and NLL under identical inputs", "selection_evidence": { "rejected_candidate_families": [ "uniform W4", "mixed W4/W8" ], "representative_rejected_mean_cosine_range": { "minimum": 0.856886, "maximum": 0.981232 }, "decision": "Rejected under the frozen quality contract before W8 holdout evaluation" }, "evaluations": { "w8_tuning": { "mean_cosine": 0.997067, "minimum_cosine": 0.967261, "top1_agreement": 0.9844, "mean_nll_delta": 0.002985 }, "w8_frozen_holdout": { "mean_cosine": 0.996598, "minimum_cosine": 0.959625, "top1_agreement": 0.9837, "mean_nll_delta": 0.003167 } }, "hard_failures_in_four_complete_device_suites": { "empty_response": 0, "token_limit_or_truncation": 0, "degenerate_repetition": 0, "context_overflow": 0, "crash": 0, "oom": 0, "assertion_failure": 0 }, "wikitext_2": { "full_evaluation_completed": false, "claimed_as_pass": false, "note": "A complete public WikiText-2 perplexity matrix is not included." } }