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Differential D6233 Diff 20555 src/bench/coin_selection.cpp

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src/bench/coin_selection.cpp

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// the hardest, as you need a wider selection of scenarios, just testing the // the hardest, as you need a wider selection of scenarios, just testing the
// same one over and over isn't too useful. Generating random isn't useful // same one over and over isn't too useful. Generating random isn't useful
// either for measurements." // either for measurements."
// (https://github.com/bitcoin/bitcoin/issues/7883#issuecomment-224807484) // (https://github.com/bitcoin/bitcoin/issues/7883#issuecomment-224807484)
static void CoinSelection(benchmark::State &state) { static void CoinSelection(benchmark::State &state) {
SelectParams(CBaseChainParams::REGTEST); SelectParams(CBaseChainParams::REGTEST);
auto chain = interfaces::MakeChain(); auto chain = interfaces::MakeChain();
const CWallet wallet(Params(), *chain, WalletLocation(), const CWallet wallet(Params(), chain.get(), WalletLocation(),
WalletDatabase::CreateDummy()); WalletDatabase::CreateDummy());
std::vector<std::unique_ptr<CWalletTx>> wtxs; std::vector<std::unique_ptr<CWalletTx>> wtxs;
LOCK(wallet.cs_wallet); LOCK(wallet.cs_wallet);
// Add coins. // Add coins.
for (int i = 0; i < 1000; ++i) { for (int i = 0; i < 1000; ++i) {
addCoin(1000 * COIN, wallet, wtxs); addCoin(1000 * COIN, wallet, wtxs);
} }
▲ Show 20 Lines • Show All 55 Lines • ▼ Show 20 Linesstatic Amount make_hard_case(const CWallet &wallet, int utxos,
} }
return target; return target;
} }
static void BnBExhaustion(benchmark::State &state) { static void BnBExhaustion(benchmark::State &state) {
SelectParams(CBaseChainParams::REGTEST); SelectParams(CBaseChainParams::REGTEST);
auto chain = interfaces::MakeChain(); auto chain = interfaces::MakeChain();
const CWallet wallet(Params(), *chain, WalletLocation(), const CWallet wallet(Params(), chain.get(), WalletLocation(),
WalletDatabase::CreateDummy()); WalletDatabase::CreateDummy());
LOCK(wallet.cs_wallet); LOCK(wallet.cs_wallet);
// Setup // Setup
std::vector<OutputGroup> utxo_pool; std::vector<OutputGroup> utxo_pool;
CoinSet selection; CoinSet selection;
Amount value_ret = Amount::zero(); Amount value_ret = Amount::zero();
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