mirror of
https://github.com/bitcoin/bitcoin.git
synced 2025-02-10 10:52:31 -05:00
b7489ecb52
Running `make && ./src/bench/bench_bitcoin -filter=HexParse` a few times results in: ``` | ns/base16 | base16/s | err% | total | benchmark |--------------------:|--------------------:|--------:|----------:|:---------- | 1.60 | 623,238,893.11 | 0.3% | 0.01 | `HexParse` | 1.65 | 606,747,566.34 | 0.6% | 0.01 | `HexParse` | 1.60 | 626,149,544.07 | 0.3% | 0.01 | `HexParse` ```
36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
// Copyright (c) 2024- The Bitcoin Core developers
|
|
// Distributed under the MIT software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#include <bench/bench.h>
|
|
#include <random.h>
|
|
#include <stddef.h>
|
|
#include <util/strencodings.h>
|
|
#include <cassert>
|
|
#include <optional>
|
|
#include <vector>
|
|
|
|
std::string generateHexString(size_t length) {
|
|
const auto hex_digits = "0123456789ABCDEF";
|
|
FastRandomContext rng(/*fDeterministic=*/true);
|
|
|
|
std::string data;
|
|
while (data.size() < length) {
|
|
auto digit = hex_digits[rng.randbits(4)];
|
|
data.push_back(digit);
|
|
}
|
|
return data;
|
|
}
|
|
|
|
static void HexParse(benchmark::Bench& bench)
|
|
{
|
|
auto data = generateHexString(130); // Generates 678B0EDA0A1FD30904D5A65E3568DB82DB2D918B0AD8DEA18A63FECCB877D07CAD1495C7157584D877420EF38B8DA473A6348B4F51811AC13C786B962BEE5668F9 by default
|
|
|
|
bench.batch(data.size()).unit("base16").run([&] {
|
|
auto result = TryParseHex(data);
|
|
assert(result != std::nullopt); // make sure we're measuring the successful case
|
|
ankerl::nanobench::doNotOptimizeAway(result);
|
|
});
|
|
}
|
|
|
|
BENCHMARK(HexParse, benchmark::PriorityLevel::HIGH);
|