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Merge #13013: bench: Amend mempool_eviction test for witness txs

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fa3bb183ad bench: Amend mempool_eviction test for witness txs (MarcoFalke)
962d223e5c bench: Move constructors out of mempool_eviction hot loop (MarcoFalke)

Pull request description:

Tree-SHA512: 997a07e067623bc2c0904a21bd490d164045cf51393af260fc79882ed010636dce82c9ebe35aae8fa5db5e73c9f3ecb6232353a0939c295034f9be574f1fcff2
This commit is contained in:
MarcoFalke 2018-04-24 13:25:39 -04:00
commit a0079d4b6d
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GPG key ID: D2EA4850E7528B25
1 changed files with 30 additions and 11 deletions
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41
src/bench/mempool_eviction.cpp
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@ -9,16 +9,16 @@
#include <list>
#include <vector>
static void AddTx(const CMutableTransaction& tx, const CAmount& nFee, CTxMemPool& pool)
static void AddTx(const CTransactionRef& tx, const CAmount& nFee, CTxMemPool& pool)
{
int64_t nTime = 0;
unsigned int nHeight = 1;
bool spendsCoinbase = false;
unsigned int sigOpCost = 4;
LockPoints lp;
pool.addUnchecked(tx.GetHash(), CTxMemPoolEntry(
MakeTransactionRef(tx), nFee, nTime, nHeight,
spendsCoinbase, sigOpCost, lp));
pool.addUnchecked(tx->GetHash(), CTxMemPoolEntry(
tx, nFee, nTime, nHeight,
spendsCoinbase, sigOpCost, lp));
}
// Right now this is only testing eviction performance in an extremely small
@ -29,6 +29,7 @@ static void MempoolEviction(benchmark::State& state)
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;
@ -36,6 +37,7 @@ static void MempoolEviction(benchmark::State& state)
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;
@ -44,6 +46,7 @@ static void MempoolEviction(benchmark::State& state)
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;
@ -52,8 +55,10 @@ static void MempoolEviction(benchmark::State& state)
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;
@ -64,8 +69,10 @@ static void MempoolEviction(benchmark::State& state)
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;
@ -76,8 +83,10 @@ static void MempoolEviction(benchmark::State& state)
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;
@ -88,8 +97,10 @@ static void MempoolEviction(benchmark::State& state)
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;
@ -97,15 +108,23 @@ static void MempoolEviction(benchmark::State& state)
tx7.vout[1].nValue = 10 * COIN;
CTxMemPool pool;
// 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)};
while (state.KeepRunning()) {
AddTx(tx1, 10000LL, pool);
AddTx(tx2, 5000LL, pool);
AddTx(tx3, 20000LL, pool);
AddTx(tx4, 7000LL, pool);
AddTx(tx5, 1000LL, pool);
AddTx(tx6, 1100LL, pool);
AddTx(tx7, 9000LL, pool);
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));
}