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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "value.h"
#include "fast_addr_map.h"
namespace vespalib::eval {
/*
* Tensor value index, used to map labels to dense subspace indexes.
*
* This is the class instructions will look for when optimizing sparse
* operations by calling inline functions directly.
*/
struct FastValueIndex final : Value::Index {
FastAddrMap map;
FastValueIndex(size_t num_mapped_dims_in, const StringIdVector &labels, size_t expected_subspaces_in)
: map(num_mapped_dims_in, labels, expected_subspaces_in) {}
size_t size() const override { return map.size(); }
std::unique_ptr<View> create_view(ConstArrayRef<size_t> dims) const override;
};
}
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