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ggml : fix FA mask dim 2 and 3 (#14505)

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* ggml : fix FA mask dim 2 and 3

ggml-ci

* backends : unsupport batched FA in CUDA and Vulkan

ggml-ci

* vulkan : disable FA for mask->ne[2] != 1
This commit is contained in:
Georgi Gerganov
2025-07-03 10:46:57 +03:00
committed by GitHub
parent d4cdd9c1c3
commit 9067487c44
9 changed files with 26 additions and 15 deletions
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3
ggml/src/ggml-cuda/ggml-cuda.cu
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@@ -3390,7 +3390,8 @@ static bool ggml_backend_cuda_device_supports_op(ggml_backend_dev_t dev, const g
return false;
}
// TODO: support broadcast
// ref: https://github.com/ggml-org/llama.cpp/pull/14435
// note: this was initially implemented in https://github.com/ggml-org/llama.cpp/pull/14500, but
// the interface of ggml_flash_attn_ext() changed in https://github.com/ggml-org/llama.cpp/pull/14505
if (op->src[0]->ne[3] != 1) {
return false;
}