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results: H52b idxd round-trip pre-check; A1 QAT IR export; greedy_compare VLM load - #198

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claude/h52b-roundtrip-qat-results
Oct 21, 2026
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88plug merged 6 commits into
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claude/h52b-roundtrip-qat-results

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@88plug 88plug commented Oct 21, 2026

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H52b pre-check (not the H52b verdict): accel-config 4.1.9-2 save/load round-trip of iax1 with its live iaa_crypto kernel WQ is byte-identical (list, 369 sysfs attrs, /proc/crypto, lsmod); serving requests UNVERIFIED. A1 QAT IR export for H50/H50o: 325/325 INT4 weights snapped, rel-RMS 0.051-0.080 -> 0.0019. greedy_compare.py loads image-text-to-text exports via OVModelForVisualCausalLM (the first crescent run failed: no openvino_model.xml in a VLM export).

…edy_compare loads VLM exports

H52b pre-check on crescent: accel-config 4.1.9-2 save-config/load-config
round-trips iax1 (live iaa_crypto kernel WQ) byte-identical across
accel-config list, 369 sysfs attributes, /proc/crypto and lsmod; 0.053 s
disabled; iaa_crypto serving requests UNVERIFIED (no in-kernel user).

A1 QAT IR (amendment M1): 325/325 INT4 weights matched and snapped;
rel-RMS against the checkpoint 0.051-0.080 as exported, 0.0019 after.

greedy_compare.py picks OVModelForVisualCausalLM for an image-text-to-text
export (openvino_language_model.xml), as the Gemma 4 IR is.
@88plug
88plug merged commit 91e958f into main Oct 21, 2026
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88plug deleted the claude/h52b-roundtrip-qat-results branch October 21, 2026 23:47
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