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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// Copyright (c) 2011-2019 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 <bench/bench.h>
#include <policy/policy.h>
#include <test/util/setup_common.h>
#include <txmempool.h>
static void AddTx(const CTransactionRef& tx, const CAmount& nFee, CTxMemPool& pool) EXCLUSIVE_LOCKS_REQUIRED(cs_main, pool.cs)
{
int64_t nTime = 0;
unsigned int nHeight = 1;
bool spendsCoinbase = false;
unsigned int sigOpCost = 4;
LockPoints lp;
pool.addUnchecked(CTxMemPoolEntry(
tx, nFee, nTime, nHeight,
spendsCoinbase, sigOpCost, lp));
}
// Right now this is only testing eviction performance in an extremely small
// mempool. Code needs to be written to generate a much wider variety of
// unique transactions for a more meaningful performance measurement.
static void MempoolEviction(benchmark::Bench& bench)
{
TestingSetup test_setup{
CBaseChainParams::REGTEST,
/* extra_args */ {
"-nodebuglogfile",
"-nodebug",
},
};
CMutableTransaction tx1 = CMutableTransaction();
tx1.vin.resize(1);
tx1.vin[0].scriptSig = CScript() << OP_1;
tx1.vin[0].scriptWitness.stack.push_back({1});
tx1.vout.resize(1);
tx1.vout[0].scriptPubKey = CScript() << OP_1 << OP_EQUAL;
tx1.vout[0].nValue = 10 * COIN;
CMutableTransaction tx2 = CMutableTransaction();
tx2.vin.resize(1);
tx2.vin[0].scriptSig = CScript() << OP_2;
tx2.vin[0].scriptWitness.stack.push_back({2});
tx2.vout.resize(1);
tx2.vout[0].scriptPubKey = CScript() << OP_2 << OP_EQUAL;
tx2.vout[0].nValue = 10 * COIN;
CMutableTransaction tx3 = CMutableTransaction();
tx3.vin.resize(1);
tx3.vin[0].prevout = COutPoint(tx2.GetHash(), 0);
tx3.vin[0].scriptSig = CScript() << OP_2;
tx3.vin[0].scriptWitness.stack.push_back({3});
tx3.vout.resize(1);
tx3.vout[0].scriptPubKey = CScript() << OP_3 << OP_EQUAL;
tx3.vout[0].nValue = 10 * COIN;
CMutableTransaction tx4 = CMutableTransaction();
tx4.vin.resize(2);
tx4.vin[0].prevout.SetNull();
tx4.vin[0].scriptSig = CScript() << OP_4;
tx4.vin[0].scriptWitness.stack.push_back({4});
tx4.vin[1].prevout.SetNull();
tx4.vin[1].scriptSig = CScript() << OP_4;
tx4.vin[1].scriptWitness.stack.push_back({4});
tx4.vout.resize(2);
tx4.vout[0].scriptPubKey = CScript() << OP_4 << OP_EQUAL;
tx4.vout[0].nValue = 10 * COIN;
tx4.vout[1].scriptPubKey = CScript() << OP_4 << OP_EQUAL;
tx4.vout[1].nValue = 10 * COIN;
CMutableTransaction tx5 = CMutableTransaction();
tx5.vin.resize(2);
tx5.vin[0].prevout = COutPoint(tx4.GetHash(), 0);
tx5.vin[0].scriptSig = CScript() << OP_4;
tx5.vin[0].scriptWitness.stack.push_back({4});
tx5.vin[1].prevout.SetNull();
tx5.vin[1].scriptSig = CScript() << OP_5;
tx5.vin[1].scriptWitness.stack.push_back({5});
tx5.vout.resize(2);
tx5.vout[0].scriptPubKey = CScript() << OP_5 << OP_EQUAL;
tx5.vout[0].nValue = 10 * COIN;
tx5.vout[1].scriptPubKey = CScript() << OP_5 << OP_EQUAL;
tx5.vout[1].nValue = 10 * COIN;
CMutableTransaction tx6 = CMutableTransaction();
tx6.vin.resize(2);
tx6.vin[0].prevout = COutPoint(tx4.GetHash(), 1);
tx6.vin[0].scriptSig = CScript() << OP_4;
tx6.vin[0].scriptWitness.stack.push_back({4});
tx6.vin[1].prevout.SetNull();
tx6.vin[1].scriptSig = CScript() << OP_6;
tx6.vin[1].scriptWitness.stack.push_back({6});
tx6.vout.resize(2);
tx6.vout[0].scriptPubKey = CScript() << OP_6 << OP_EQUAL;
tx6.vout[0].nValue = 10 * COIN;
tx6.vout[1].scriptPubKey = CScript() << OP_6 << OP_EQUAL;
tx6.vout[1].nValue = 10 * COIN;
CMutableTransaction tx7 = CMutableTransaction();
tx7.vin.resize(2);
tx7.vin[0].prevout = COutPoint(tx5.GetHash(), 0);
tx7.vin[0].scriptSig = CScript() << OP_5;
tx7.vin[0].scriptWitness.stack.push_back({5});
tx7.vin[1].prevout = COutPoint(tx6.GetHash(), 0);
tx7.vin[1].scriptSig = CScript() << OP_6;
tx7.vin[1].scriptWitness.stack.push_back({6});
tx7.vout.resize(2);
tx7.vout[0].scriptPubKey = CScript() << OP_7 << OP_EQUAL;
tx7.vout[0].nValue = 10 * COIN;
tx7.vout[1].scriptPubKey = CScript() << OP_7 << OP_EQUAL;
tx7.vout[1].nValue = 10 * COIN;
CTxMemPool pool;
LOCK2(cs_main, pool.cs);
// Create transaction references outside the "hot loop"
const CTransactionRef tx1_r{MakeTransactionRef(tx1)};
const CTransactionRef tx2_r{MakeTransactionRef(tx2)};
const CTransactionRef tx3_r{MakeTransactionRef(tx3)};
const CTransactionRef tx4_r{MakeTransactionRef(tx4)};
const CTransactionRef tx5_r{MakeTransactionRef(tx5)};
const CTransactionRef tx6_r{MakeTransactionRef(tx6)};
const CTransactionRef tx7_r{MakeTransactionRef(tx7)};
bench.run([&]() NO_THREAD_SAFETY_ANALYSIS {
AddTx(tx1_r, 10000LL, pool);
AddTx(tx2_r, 5000LL, pool);
AddTx(tx3_r, 20000LL, pool);
AddTx(tx4_r, 7000LL, pool);
AddTx(tx5_r, 1000LL, pool);
AddTx(tx6_r, 1100LL, pool);
AddTx(tx7_r, 9000LL, pool);
pool.TrimToSize(pool.DynamicMemoryUsage() * 3 / 4);
pool.TrimToSize(GetVirtualTransactionSize(*tx1_r));
});
}
BENCHMARK(MempoolEviction);
|
