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pytorch / FBGEMM Public

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Add bf16 avx2 8bit dequant and Nbit dequant#5634

Open

cyyever wants to merge 6 commits into

pytorch:mainpytorch/FBGEMM:mainfrom

cyyever:impl-bf16-avx2-8bit-dequantcyyever/FBGEMM:impl-bf16-avx2-8bit-dequantCopy head branch name to clipboard

Conversation Commits6 (6)Checks Files changed

Open

Add bf16 avx2 8bit dequant and Nbit dequant#5634
cyyever wants to merge 6 commits into
pytorch:mainfrom
cyyever:impl-bf16-avx2-8bit-dequant

Commits

Commits on May 5, 2026

Add Bf16ConvertAvx2.h with shared fp32->bf16 helpers
cyyever
committed
Add bf16 output support to AVX2 dequantization kernels
cyyever
committed
Remove redundant direct AVX512-BF16 test, use generic dispatcher
cyyever
committed
Relax bf16 dequant test comparison to tolerance-based
cyyever
committed
Forward is_uint16_t_of_type_bf16 to NEON N-bit dequant and add bf16 output path
cyyever
committed
Reuse cvt_fp32x16_bf16x16 helper in FloatToBfloat16_avx2
cyyever
committed

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