L9a: the first-party NVFP4 DiT loads -- it was SWIZZLED and HIGH-nibble-first, not linear (#435) - #571

Merged

localai-bot merged 6 commits into

row/MODEL-DIFFUSION-LTX25from

row/LTX25-L9A-NVFP4-LINEAR

Aug 13, 2026

Commits on Aug 13, 2026

spec(nvfp4): the nibble order is a PRODUCER convention, and two of ours disagree (#435)
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feat(ltx-2.5): the first-party NVFP4 DiT loads -- swizzled, HIGH-nibble-first (#435)
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9f807fe
fix(ltx-2.5): an apostrophe in refusal prose breaks "refuse BY NAME" (#435)
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test(ltx-2.5): gate the producer resolution across ALL 1176 quantized modules (#435)
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spec(nvfp4): the Outcome -- what was measured, and the three things rejected (#435)
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fix(nvfp4): "refused by name" was FALSE for the case that matters, and the sweep proving nothing (#435, #598)
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dbf8a52