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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
// Copyright (c) 2015-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <prevector.h>
#include <serialize.h>
#include <streams.h>
#include <type_traits>
#include <bench/bench.h>
// GCC 4.8 is missing some C++11 type_traits,
// https://www.gnu.org/software/gcc/gcc-5/changes.html
#if defined(__GNUC__) && !defined(__clang__) && __GNUC__ < 5
#define IS_TRIVIALLY_CONSTRUCTIBLE std::has_trivial_default_constructor
#else
#define IS_TRIVIALLY_CONSTRUCTIBLE std::is_trivially_default_constructible
#endif
struct nontrivial_t {
int x;
nontrivial_t() :x(-1) {}
ADD_SERIALIZE_METHODS
template <typename Stream, typename Operation>
inline void SerializationOp(Stream& s, Operation ser_action) {READWRITE(x);}
};
static_assert(!IS_TRIVIALLY_CONSTRUCTIBLE<nontrivial_t>::value,
"expected nontrivial_t to not be trivially constructible");
typedef unsigned char trivial_t;
static_assert(IS_TRIVIALLY_CONSTRUCTIBLE<trivial_t>::value,
"expected trivial_t to be trivially constructible");
template <typename T>
static void PrevectorDestructor(benchmark::State& state)
{
while (state.KeepRunning()) {
for (auto x = 0; x < 1000; ++x) {
prevector<28, T> t0;
prevector<28, T> t1;
t0.resize(28);
t1.resize(29);
}
}
}
template <typename T>
static void PrevectorClear(benchmark::State& state)
{
while (state.KeepRunning()) {
for (auto x = 0; x < 1000; ++x) {
prevector<28, T> t0;
prevector<28, T> t1;
t0.resize(28);
t0.clear();
t1.resize(29);
t1.clear();
}
}
}
template <typename T>
static void PrevectorResize(benchmark::State& state)
{
while (state.KeepRunning()) {
prevector<28, T> t0;
prevector<28, T> t1;
for (auto x = 0; x < 1000; ++x) {
t0.resize(28);
t0.resize(0);
t1.resize(29);
t1.resize(0);
}
}
}
template <typename T>
static void PrevectorDeserialize(benchmark::State& state)
{
CDataStream s0(SER_NETWORK, 0);
prevector<28, T> t0;
t0.resize(28);
for (auto x = 0; x < 900; ++x) {
s0 << t0;
}
t0.resize(100);
for (auto x = 0; x < 101; ++x) {
s0 << t0;
}
while (state.KeepRunning()) {
prevector<28, T> t1;
for (auto x = 0; x < 1000; ++x) {
s0 >> t1;
}
s0.Init(SER_NETWORK, 0);
}
}
#define PREVECTOR_TEST(name, nontrivops, trivops) \
static void Prevector ## name ## Nontrivial(benchmark::State& state) { \
Prevector ## name<nontrivial_t>(state); \
} \
BENCHMARK(Prevector ## name ## Nontrivial, nontrivops); \
static void Prevector ## name ## Trivial(benchmark::State& state) { \
Prevector ## name<trivial_t>(state); \
} \
BENCHMARK(Prevector ## name ## Trivial, trivops);
PREVECTOR_TEST(Clear, 28300, 88600)
PREVECTOR_TEST(Destructor, 28800, 88900)
PREVECTOR_TEST(Resize, 28900, 90300)
PREVECTOR_TEST(Deserialize, 6800, 52000)
|
