fp8-e4m3-b128 passthrough weight format — CPU + Metal + repack tool (#524) - #528

Merged

JustVugg merged 15 commits into

JustVugg:devfrom

monotophic:fmt7/fp8-passthrough

Jul 31, 2026

Commits on Jul 30, 2026

fp8: CPU read path + matmul_fp8, as fmt=7 (public ordinal, #524)

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claude
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41fe5a7
fp8: Metal mm_gemv kernel for fmt=7 native FP8-e4m3 passthrough

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claude
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6ca61a1
fp8: repack tool (Z.ai FP8 shards -> byte-preserved fmt=7 container)

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claude
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e621f6d
fp8: end-to-end test, real repack tool -> real C loader

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633013f
fp8: invert THE DESIGN LANDMINE ambiguous-shape collision to fmt=1
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c709a44
fp8: wire qt_scale_bytes() into qt_wire_mmap/qt_unwire_mmap
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5528589
fp8: correct stale Metal fmt=7 guard comments
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5b797cb
fp8: site-level wire regression test for qt_wire_mmap/qt_unwire_mmap
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363342d
fp8: fmt=6 (E8/IQ3) branch in qt_scale_bytes()
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9fdc6bb
fp8: refuse (not crash) on fmt=6/7 in qt_addrow/qt_matvec_rows
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70cc594
fp8: repack tool refuses loudly on zero repack-target tensors
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18fe6d1
tests: drain child stderr to EOF in fork-capture helpers
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e83117e
fp8: renumber our format fmt 7 -> 8 (#705 claimed 7 for MXFP4)
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388a62d
metal: positive fmt allowlist for the fused decode gates + fmt=7 unreachability sweep
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bda0ed0

Commits on Jul 31, 2026

Merge dev: TEST_BINS is derived from build rules now (#733)

JustVugg
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claude
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1eb37d0