Cherry-pick FP4 acts + MXF4 + DG_USE_FP8_COMBINE; wrap mega_moe_pre_dispatch in tvm-ffi#33

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Fridge003 merged 3 commits into

release-0426from

release-0426-upd

May 12, 2026

Commits on May 12, 2026

Add FP4 acts + MXF4 kind support and fused mega_moe_pre_dispatch kernel (#27)

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Fridge003
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Add DG_USE_FP8_COMBINE: FP8 + per-row UE8M0 SF on the second a2a (combine path) (#28)

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Fridge003
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Add tvm-ffi wrapper for w4a4 megamoe
Fridge003
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