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CUDA: broadcasting for FlashAttention mask (#14500)

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Johannes Gäßler
2025-07-02 13:42:12 +02:00
committed by Georgi Gerganov
parent 8875523eb3
commit 12a81af45f
7 changed files with 43 additions and 25 deletions
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ggml/src/ggml-cuda/fattn-common.cuh
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@@ -32,7 +32,9 @@ typedef void (* fattn_kernel_t)(
const int ne12,
const int ne13,
const int ne31,
const int ne32,
const int nb31,
const int nb32,
const int nb01,
const int nb02,
const int nb03,
@@ -851,7 +853,8 @@ void launch_fattn(
scale, max_bias, m0, m1, n_head_log2, logit_softcap,
Q->ne[0], Q->ne[1], Q->ne[2], Q->ne[3],
K->ne[0], K->ne[1], K->ne[2], K->ne[3],
mask ? mask->ne[1] : 0, mask ? mask->nb[1] : 0,
mask ? mask->ne[1] : 0, mask ? mask->ne[2] : 0,
mask ? mask->nb[1] : 0, mask ? mask->nb[2] : 0,
Q->nb[1], Q->nb[2], Q->nb[3],
nb11, nb12, nb13,
nb21, nb22, nb23,