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vulkan: fix noncontig check for mat_mul_id splitting (#14683)

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* vulkan: fix noncontig check for mat_mul_id splitting

Remove supports_op check for > 4096 (splitting fixes this)

* vulkan: fix batched matmul dequant for Q*_K
This commit is contained in:
Jeff Bolz 2025-07-15 14:51:09 -05:00 • committed by GitHub
parent 10a0351a97
commit ba1ceb3456
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GPG key ID: B5690EEEBB952194
6 changed files with 6 additions and 10 deletions
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6
ggml/src/ggml-vulkan/ggml-vulkan.cpp
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@ -4922,7 +4922,7 @@ static bool ggml_vk_dim01_contiguous(const ggml_tensor * tensor) {
return
tensor->nb[0] == ggml_type_size(tensor->type) &&
tensor->nb[1] == (tensor->nb[0]*tensor->ne[0])/ggml_blck_size(tensor->type) &&
tensor->nb[3] == tensor->nb[2]*tensor->ne[2];
(tensor->ne[3] == 1 || tensor->nb[3] == tensor->nb[2]*tensor->ne[2]);
}
static vk_pipeline ggml_vk_get_cpy_pipeline(ggml_backend_vk_context * ctx, const ggml_tensor * src, const ggml_tensor * dst, ggml_type to) {
@ -10356,10 +10356,6 @@ static bool ggml_backend_vk_device_supports_op(ggml_backend_dev_t dev, const ggm
// If there's not enough shared memory for row_ids and the result tile, fallback to CPU
return false;
}
// Check against size of shared memory variable
if (op->src[2]->ne[0] > 4096) {
return false;
}
}
switch (src0_type) {
case GGML_TYPE_F32: