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[ET-VK][EZ] Fix StorageBuffer size in PrepackNode #2811

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[ET-VK][EZ] Fix StorageBuffer size in PrepackNode #2811

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4 changes: 1 addition & 3 deletions backends/vulkan/runtime/graph/ops/PrepackNode.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -39,10 +39,8 @@ void PrepackNode::encode(ComputeGraph* graph) {
TensorRef tref = graph->get_val(tref_).toTensorRef();
vTensor packed = graph->get_val(packed_).toTensor();

// TODO: Extract to standalone function, to support other types of prepacking.
api::StorageBuffer staging(
graph->context(), packed.dtype(), packed.gpu_nbytes());
size_t numel = api::utils::multiply_integers(tref.sizes);
api::StorageBuffer staging(graph->context(), tref.dtype, numel);
size_t nbytes = numel * api::element_size(tref.dtype);
copy_ptr_to_staging(tref.data, staging, nbytes);

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