blob: cd816621f91281bb4f73da6e09829461b1dca318 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <memory>
#include <vespa/eval/eval/cell_type.h>
#include <vespa/eval/eval/typed_cells.h>
#include <vespa/vespalib/util/arrayref.h>
namespace search::tensor {
/** helper class - temporary storage of possibly-converted vector cells */
template <typename FloatType>
class TemporaryVectorStore {
private:
std::vector<FloatType> _tmpSpace;
vespalib::ConstArrayRef<FloatType> internal_convert(vespalib::eval::TypedCells cells, size_t offset);
public:
TemporaryVectorStore(size_t vectorSize) : _tmpSpace(vectorSize * 2) {}
vespalib::ConstArrayRef<FloatType> storeLhs(vespalib::eval::TypedCells cells) {
return internal_convert(cells, 0);
}
vespalib::ConstArrayRef<FloatType> convertRhs(vespalib::eval::TypedCells cells) {
if (vespalib::eval::get_cell_type<FloatType>() == cells.type) [[likely]] {
return cells.unsafe_typify<FloatType>();
} else {
return internal_convert(cells, cells.size);
}
}
};
}
|
