zcashd/src/bench/merkle_root.cpp

27 lines
713 B
C++

// Copyright (c) 2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or https://www.opensource.org/licenses/mit-license.php .
#include "bench.h"
#include "uint256.h"
#include "random.h"
#include "consensus/merkle.h"
static void MerkleRoot(benchmark::State& state)
{
FastRandomContext rng(true);
std::vector<uint256> leaves;
leaves.resize(9001);
for (auto& item : leaves) {
item = rng.rand256();
}
while (state.KeepRunning()) {
bool mutation = false;
uint256 hash = ComputeMerkleRoot(std::vector<uint256>(leaves), &mutation);
leaves[mutation] = hash;
}
}
BENCHMARK(MerkleRoot); // 800