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ggml-cuda: HIP: use __builtin_amdgcn_perm for q1_0 unpacking - #29927
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JohannesGaessler merged 1 commit intoOct 17, 2026
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Marked as DRAFT as i already have too many open PR, but it's ready for a review. @IMbackK |
This was referenced Oct 5, 2026
thelittlefireman
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@ggerganov this developer is making good contributions. I would like to retain them and have been thinking about inviting them to take a more active role in the project anyways. Can you make them a member? For context, their earliest PR was Aug 28. |
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I just sent them an invite to the @ggml-org/ggml-cuda team. |
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@JohannesGaessler @IMbackK Can we merge this one ? |
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Overview
Clean version of #28398. This PR handle both function
vec_dot_q1_0_q8_1andggml_cuda_mmq_load_tiles_q1_0by replacing__byte_permby__builtin_amdgcn_permfor performance.Additional information
AMD Instinct MI50 (gfx906),
m=4096,k=14336.Requirements