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Add resize function for aten.upsample_nearest2d.vec operator #4069

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Add resize function for aten.upsample_nearest2d.vec operator #4069

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27 changes: 26 additions & 1 deletion backends/vulkan/runtime/graph/ops/impl/Upsample.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,29 @@

namespace vkcompute {

void resize_upsample_nearest2d_node(
ComputeGraph* graph,
const std::vector<ArgGroup>& args,
const std::vector<ValueRef>& extra_args) {
vTensorPtr out = graph->get_tensor(args[0].refs[0]);
vTensorPtr self = graph->get_tensor(args[1].refs[0]);
std::vector<int64_t> out_sizes = self->sizes(); // NCHW

const ValueRef output_sizes = extra_args[0]; // HW
const ValueRef scale_factors = extra_args[1]; // HW
if (!graph->val_is_none(output_sizes)) {
IntListPtr output_size_ref = graph->get_int_list(output_sizes);
out_sizes.at(2) = output_size_ref->at(0);
out_sizes.at(3) = output_size_ref->at(1);
} else {
DoubleListPtr scales = graph->get_double_list(scale_factors);
out_sizes.at(2) *= scales->at(0);
out_sizes.at(3) *= scales->at(1);
}

out->virtual_resize(out_sizes);
}

// ExecuTorch-Vulkan framework to add node
// Args:
// in: will be converted from NCHW input tensor to 3D ARGB representation in
Expand Down Expand Up @@ -87,7 +110,9 @@ void add_upsample_nearest2d_node(
graph.create_params_buffer(input_size),
graph.create_params_buffer(rev_scales)},
// Specialization Constants
{}));
{},
resize_upsample_nearest2d_node,
{output_sizes, scale_factors}));
}

void upsample(ComputeGraph& graph, const std::vector<ValueRef>& args) {
Expand Down
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