Bitcoin Core
21.99.0
P2P Digital Currency
src
bench
merkle_root.cpp
Go to the documentation of this file.
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// Copyright (c) 2016-2020 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 <
consensus/merkle.h
>
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#include <
random.h
>
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#include <
uint256.h
>
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static
void
MerkleRoot
(
benchmark::Bench
& bench)
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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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bench.
batch
(leaves.size()).
unit
(
"leaf"
).
run
([&] {
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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
);
ankerl::nanobench::Bench::batch
ANKERL_NANOBENCH(NODISCARD) std Bench & batch(T b) noexcept
Sets the batch size.
FastRandomContext::rand256
uint256 rand256() noexcept
generate a random uint256.
Definition:
random.cpp:615
ComputeMerkleRoot
uint256 ComputeMerkleRoot(std::vector< uint256 > hashes, bool *mutated)
Definition:
merkle.cpp:45
uint256.h
ankerl::nanobench::Bench
Main entry point to nanobench's benchmarking facility.
Definition:
nanobench.h:583
random.h
BENCHMARK
BENCHMARK(MerkleRoot)
ankerl::nanobench::Bench::run
Bench & run(char const *benchmarkName, Op &&op)
Repeatedly calls op() based on the configuration, and performs measurements.
Definition:
nanobench.h:1134
ankerl::nanobench::Bench::unit
Bench & unit(char const *unit)
Sets the operation unit.
uint256
256-bit opaque blob.
Definition:
uint256.h:124
bench.h
merkle.h
MerkleRoot
static void MerkleRoot(benchmark::Bench &bench)
Definition:
merkle_root.cpp:11
FastRandomContext
Fast randomness source.
Definition:
random.h:119
Generated on Wed Apr 21 2021 20:03:39 for Bitcoin Core by
1.8.17