diff options
| -rw-r--r-- | src/bench/coin_selection.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/bench/coin_selection.cpp b/src/bench/coin_selection.cpp index 605d9e3e66..4b2a0e72fe 100644 --- a/src/bench/coin_selection.cpp +++ b/src/bench/coin_selection.cpp @@ -4,6 +4,7 @@ #include <bench/bench.h> #include <wallet/wallet.h> +#include <wallet/coinselection.h> #include <set> @@ -61,4 +62,47 @@ static void CoinSelection(benchmark::State& state) } } +typedef std::set<CInputCoin> CoinSet; + +// Copied from src/wallet/test/coinselector_tests.cpp +static void add_coin(const CAmount& nValue, int nInput, std::vector<CInputCoin>& set) +{ + CMutableTransaction tx; + tx.vout.resize(nInput + 1); + tx.vout[nInput].nValue = nValue; + set.emplace_back(MakeTransactionRef(tx), nInput); +} +// Copied from src/wallet/test/coinselector_tests.cpp +static CAmount make_hard_case(int utxos, std::vector<CInputCoin>& utxo_pool) +{ + utxo_pool.clear(); + CAmount target = 0; + for (int i = 0; i < utxos; ++i) { + target += (CAmount)1 << (utxos+i); + add_coin((CAmount)1 << (utxos+i), 2*i, utxo_pool); + add_coin(((CAmount)1 << (utxos+i)) + ((CAmount)1 << (utxos-1-i)), 2*i + 1, utxo_pool); + } + return target; +} + +static void BnBExhaustion(benchmark::State& state) +{ + // Setup + std::vector<CInputCoin> utxo_pool; + CoinSet selection; + CAmount value_ret = 0; + CAmount not_input_fees = 0; + + while (state.KeepRunning()) { + // Benchmark + CAmount target = make_hard_case(17, utxo_pool); + SelectCoinsBnB(utxo_pool, target, 0, selection, value_ret, not_input_fees); // Should exhaust + + // Cleanup + utxo_pool.clear(); + selection.clear(); + } +} + BENCHMARK(CoinSelection, 650); +BENCHMARK(BnBExhaustion, 650); |