mirror of https://github.com/bitcoin/bitcoin
27 lines
720 B
C++
27 lines
720 B
C++
// Copyright (c) 2016-2018 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 <uint256.h>
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#include <random.h>
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#include <consensus/merkle.h>
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static void MerkleRoot(benchmark::State& state)
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{
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FastRandomContext rng(true);
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std::vector<uint256> leaves;
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leaves.resize(9001);
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for (auto& item : leaves) {
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item = rng.rand256();
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}
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while (state.KeepRunning()) {
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bool mutation = false;
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uint256 hash = ComputeMerkleRoot(std::vector<uint256>(leaves), &mutation);
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leaves[mutation] = hash;
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}
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}
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BENCHMARK(MerkleRoot, 800);
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