Differential D17331 Diff 46790 autotests/benchmarks/positioncodecbenchmark.cpp

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autotests/benchmarks/positioncodecbenchmark.cpp

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26 26​
27using namespace Baloo; 27​using namespace Baloo;
28 28​
29class PositionCodecBenchmark : public QObject 29​class PositionCodecBenchmark : public QObject
30{ 30​{
31 Q_OBJECT 31​ Q_OBJECT
32private Q_SLOTS: 32​private Q_SLOTS:
33 void initTestCase(); 33​ void initTestCase();
34 // data 1 - a lot of positions, small amount of PositionInfo 34​ // data 1 - small number of documents, each with many positions
35 void benchEncodeData1(); 35​ void benchEncodeData1();
36 void benchDecodeData1(); 36​ void benchDecodeData1();
37 // data 2 - few positions, large amount of PositionInfo 37​ // data 2 - large number of documents, few positions (10) each
38 void benchEncodeData2(); 38​ void benchEncodeData2();
39 void benchDecodeData2(); 39​ void benchDecodeData2();
40​ // data 3 - small number of documents, many positions with large increment
41​ void benchEncodeData3();
42​ void benchDecodeData3();
40private: 43​private:
41 QVector<PositionInfo> m_benchmarkData1; 44​ QVector<PositionInfo> m_benchmarkData1;
42 QVector<PositionInfo> m_benchmarkData2; 45​ QVector<PositionInfo> m_benchmarkData2;
46​ QVector<PositionInfo> m_benchmarkData3;
43}; 47​};
44 48​
45void PositionCodecBenchmark::initTestCase() 49​void PositionCodecBenchmark::initTestCase()
46{ 50​{
51​ /*
52​ * Same dataset as in autotests/unit/codecs/positioncodectest.cpp
53​ * Correctness of encoding/decoding is checked there.
54​ */
47 m_benchmarkData1.clear(); 55​ m_benchmarkData1.clear();
48 m_benchmarkData1.reserve(100); 56​ m_benchmarkData1.reserve(100);
49 for(int i = 0; i < 100; ++i) 57​ for(int i = 0; i < 100; ++i)
50 { 58​ {
51 PositionInfo info; 59​ PositionInfo info;
52 info.docId = (i + 1) * 4711; 60​ info.docId = (i + 1) * 4711;
53 info.positions.reserve(3000); 61​ info.positions.reserve(3000);
54 for (int j = 0; j < 3000; j++) 62​ for (int j = 0; j < 3000; j++)
55 info.positions.append(((j + 1) * 42) / info.docId); 63​ info.positions.append(((j + 1) * (i + 2)));
56 m_benchmarkData1.append(info); 64​ m_benchmarkData1.append(info);
57 } 65​ }
58 66​
59 m_benchmarkData2.clear(); 67​ m_benchmarkData2.clear();
60 m_benchmarkData2.reserve(5000); 68​ m_benchmarkData2.reserve(5000);
61 for (int i = 0; i < 5000; i++) { 69​ for (int i = 0; i < 5000; i++) {
62 PositionInfo info; 70​ PositionInfo info;
63 info.docId = i; 71​ info.docId = i;
64 info.positions = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; 72​ info.positions = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
65 73​
66 m_benchmarkData2.append(info); 74​ m_benchmarkData2.append(info);
67 } 75​ }
68 76​
77​ m_benchmarkData3.clear();
78​ m_benchmarkData3.reserve(200);
79​ for (int i = 0; i < 200; i++) {
80​ PositionInfo info;
81​ info.docId = i;
82​ info.positions.reserve(30000); // > 2^14 -> 3 byte VarInt32
83​ for (int j = 0; j < 30000; j++)
84​ info.positions.append((j + 1) * 200); // increment 200 -> 2 byte DiffVarInt32
85​
86​ m_benchmarkData3.append(info);
87​ }
69} 88​}
70 89​
71void PositionCodecBenchmark::benchEncodeData1() 90​void PositionCodecBenchmark::benchEncodeData1()
72{ 91​{
73 PositionCodec pc; 92​ PositionCodec pc;
74 QBENCHMARK { pc.encode(m_benchmarkData1); } 93​ QBENCHMARK { pc.encode(m_benchmarkData1); }
75} 94​}
76 95​
Show All 12 Lines
89 108​
90void PositionCodecBenchmark::benchDecodeData2() 109​void PositionCodecBenchmark::benchDecodeData2()
91{ 110​{
92 PositionCodec pc; 111​ PositionCodec pc;
93 const QByteArray ba = pc.encode(m_benchmarkData2); 112​ const QByteArray ba = pc.encode(m_benchmarkData2);
94 QBENCHMARK { pc.decode(ba); } 113​ QBENCHMARK { pc.decode(ba); }
95} 114​}
96 115​
116​void PositionCodecBenchmark::benchEncodeData3()
117​{
118​ PositionCodec pc;
119​ QBENCHMARK { pc.encode(m_benchmarkData3); }
120​}
121​
122​void PositionCodecBenchmark::benchDecodeData3()
123​{
124​ PositionCodec pc;
125​ const QByteArray ba = pc.encode(m_benchmarkData3);
126​ QBENCHMARK { pc.decode(ba); }
127​}
128​
97QTEST_MAIN(PositionCodecBenchmark) 129​QTEST_MAIN(PositionCodecBenchmark)
98 130​
99#include "positioncodecbenchmark.moc" 131​#include "positioncodecbenchmark.moc"