54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include <faiss/utils/Heap.h>
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#include <gtest/gtest.h>
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#include <algorithm>
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#include <numeric>
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using namespace faiss;
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TEST(Heap, addn_with_ids) {
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size_t n = 1000;
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size_t k = 1;
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std::vector<int64_t> heap_labels(n, -1);
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std::vector<float> heap_distances(n, 0);
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float_minheap_array_t heaps = {
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n, k, heap_labels.data(), heap_distances.data()};
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heaps.heapify();
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std::vector<int64_t> labels(n, 1);
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std::vector<float> distances(n, 0.0f);
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std::vector<int64_t> subset(n);
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std::iota(subset.begin(), subset.end(), 0);
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heaps.addn_with_ids(1, distances.data(), labels.data(), 1);
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heaps.reorder();
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EXPECT_TRUE(
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std::all_of(heap_labels.begin(), heap_labels.end(), [](int64_t i) {
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return i == 1;
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}));
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}
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TEST(Heap, addn_query_subset_with_ids) {
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size_t n = 20000000; // more than 2^24
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size_t k = 1;
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std::vector<int64_t> heap_labels(n, -1);
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std::vector<float> heap_distances(n, 0);
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float_minheap_array_t heaps = {
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n, k, heap_labels.data(), heap_distances.data()};
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heaps.heapify();
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std::vector<int64_t> labels(n, 1);
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std::vector<float> distances(n, 0.0f);
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std::vector<int64_t> subset(n);
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std::iota(subset.begin(), subset.end(), 0);
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heaps.addn_query_subset_with_ids(
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n, subset.data(), 1, distances.data(), labels.data(), 1);
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heaps.reorder();
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EXPECT_TRUE(
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std::all_of(heap_labels.begin(), heap_labels.end(), [](int64_t i) {
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return i == 1;
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}));
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}
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