Fix K-ragged Blackwell activation scales#10382
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ThomasRaoux
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May 27, 2026
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K-ragged metadata is not row-segment metadata forBlackwellActMXScaleLayout; passing it corrupts matmul output with swizzled activation scales.Test: GB200
test_k_ragged_mxfp8_act_scale_swizzlingfails onmain(77.3% mismatched elements) and passes here.