134 lines
5.1 KiB
C++
134 lines
5.1 KiB
C++
// Copyright (c) 2011-2018 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <bench/bench.h>
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#include <policy/policy.h>
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#include <txmempool.h>
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#include <list>
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#include <vector>
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static void AddTx(const CTransactionRef& tx, const CAmount& nFee, CTxMemPool& pool) EXCLUSIVE_LOCKS_REQUIRED(cs_main, pool.cs)
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{
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int64_t nTime = 0;
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unsigned int nHeight = 1;
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bool spendsCoinbase = false;
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unsigned int sigOpCost = 4;
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LockPoints lp;
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pool.addUnchecked(CTxMemPoolEntry(
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tx, nFee, nTime, nHeight,
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spendsCoinbase, sigOpCost, lp));
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}
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// Right now this is only testing eviction performance in an extremely small
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// mempool. Code needs to be written to generate a much wider variety of
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// unique transactions for a more meaningful performance measurement.
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static void MempoolEviction(benchmark::State& state)
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{
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CMutableTransaction tx1 = CMutableTransaction();
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tx1.vin.resize(1);
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tx1.vin[0].scriptSig = CScript() << OP_1;
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tx1.vin[0].scriptWitness.stack.push_back({1});
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tx1.vout.resize(1);
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tx1.vout[0].scriptPubKey = CScript() << OP_1 << OP_EQUAL;
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tx1.vout[0].nValue = 10 * COIN;
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CMutableTransaction tx2 = CMutableTransaction();
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tx2.vin.resize(1);
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tx2.vin[0].scriptSig = CScript() << OP_2;
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tx2.vin[0].scriptWitness.stack.push_back({2});
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tx2.vout.resize(1);
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tx2.vout[0].scriptPubKey = CScript() << OP_2 << OP_EQUAL;
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tx2.vout[0].nValue = 10 * COIN;
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CMutableTransaction tx3 = CMutableTransaction();
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tx3.vin.resize(1);
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tx3.vin[0].prevout = COutPoint(tx2.GetHash(), 0);
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tx3.vin[0].scriptSig = CScript() << OP_2;
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tx3.vin[0].scriptWitness.stack.push_back({3});
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tx3.vout.resize(1);
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tx3.vout[0].scriptPubKey = CScript() << OP_3 << OP_EQUAL;
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tx3.vout[0].nValue = 10 * COIN;
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CMutableTransaction tx4 = CMutableTransaction();
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tx4.vin.resize(2);
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tx4.vin[0].prevout.SetNull();
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tx4.vin[0].scriptSig = CScript() << OP_4;
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tx4.vin[0].scriptWitness.stack.push_back({4});
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tx4.vin[1].prevout.SetNull();
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tx4.vin[1].scriptSig = CScript() << OP_4;
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tx4.vin[1].scriptWitness.stack.push_back({4});
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tx4.vout.resize(2);
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tx4.vout[0].scriptPubKey = CScript() << OP_4 << OP_EQUAL;
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tx4.vout[0].nValue = 10 * COIN;
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tx4.vout[1].scriptPubKey = CScript() << OP_4 << OP_EQUAL;
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tx4.vout[1].nValue = 10 * COIN;
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CMutableTransaction tx5 = CMutableTransaction();
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tx5.vin.resize(2);
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tx5.vin[0].prevout = COutPoint(tx4.GetHash(), 0);
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tx5.vin[0].scriptSig = CScript() << OP_4;
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tx5.vin[0].scriptWitness.stack.push_back({4});
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tx5.vin[1].prevout.SetNull();
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tx5.vin[1].scriptSig = CScript() << OP_5;
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tx5.vin[1].scriptWitness.stack.push_back({5});
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tx5.vout.resize(2);
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tx5.vout[0].scriptPubKey = CScript() << OP_5 << OP_EQUAL;
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tx5.vout[0].nValue = 10 * COIN;
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tx5.vout[1].scriptPubKey = CScript() << OP_5 << OP_EQUAL;
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tx5.vout[1].nValue = 10 * COIN;
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CMutableTransaction tx6 = CMutableTransaction();
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tx6.vin.resize(2);
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tx6.vin[0].prevout = COutPoint(tx4.GetHash(), 1);
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tx6.vin[0].scriptSig = CScript() << OP_4;
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tx6.vin[0].scriptWitness.stack.push_back({4});
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tx6.vin[1].prevout.SetNull();
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tx6.vin[1].scriptSig = CScript() << OP_6;
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tx6.vin[1].scriptWitness.stack.push_back({6});
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tx6.vout.resize(2);
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tx6.vout[0].scriptPubKey = CScript() << OP_6 << OP_EQUAL;
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tx6.vout[0].nValue = 10 * COIN;
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tx6.vout[1].scriptPubKey = CScript() << OP_6 << OP_EQUAL;
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tx6.vout[1].nValue = 10 * COIN;
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CMutableTransaction tx7 = CMutableTransaction();
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tx7.vin.resize(2);
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tx7.vin[0].prevout = COutPoint(tx5.GetHash(), 0);
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tx7.vin[0].scriptSig = CScript() << OP_5;
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tx7.vin[0].scriptWitness.stack.push_back({5});
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tx7.vin[1].prevout = COutPoint(tx6.GetHash(), 0);
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tx7.vin[1].scriptSig = CScript() << OP_6;
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tx7.vin[1].scriptWitness.stack.push_back({6});
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tx7.vout.resize(2);
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tx7.vout[0].scriptPubKey = CScript() << OP_7 << OP_EQUAL;
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tx7.vout[0].nValue = 10 * COIN;
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tx7.vout[1].scriptPubKey = CScript() << OP_7 << OP_EQUAL;
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tx7.vout[1].nValue = 10 * COIN;
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CTxMemPool pool;
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LOCK2(cs_main, pool.cs);
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// Create transaction references outside the "hot loop"
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const CTransactionRef tx1_r{MakeTransactionRef(tx1)};
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const CTransactionRef tx2_r{MakeTransactionRef(tx2)};
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const CTransactionRef tx3_r{MakeTransactionRef(tx3)};
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const CTransactionRef tx4_r{MakeTransactionRef(tx4)};
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const CTransactionRef tx5_r{MakeTransactionRef(tx5)};
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const CTransactionRef tx6_r{MakeTransactionRef(tx6)};
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const CTransactionRef tx7_r{MakeTransactionRef(tx7)};
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while (state.KeepRunning()) {
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AddTx(tx1_r, 10000LL, pool);
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AddTx(tx2_r, 5000LL, pool);
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AddTx(tx3_r, 20000LL, pool);
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AddTx(tx4_r, 7000LL, pool);
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AddTx(tx5_r, 1000LL, pool);
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AddTx(tx6_r, 1100LL, pool);
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AddTx(tx7_r, 9000LL, pool);
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pool.TrimToSize(pool.DynamicMemoryUsage() * 3 / 4);
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pool.TrimToSize(GetVirtualTransactionSize(*tx1_r));
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}
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}
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BENCHMARK(MempoolEviction, 41000);
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