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377aab8e5a
This is meant to focus the usages to narrow the scope of the obfuscation optimization. `Obfuscation::Xor` is mostly a move. Co-authored-by: maflcko <6399679+maflcko@users.noreply.github.com>
26 lines
779 B
C++
26 lines
779 B
C++
// Copyright (c) The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or https://opensource.org/license/mit/.
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#include <bench/bench.h>
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#include <random.h>
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#include <util/obfuscation.h>
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#include <cstddef>
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#include <vector>
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static void ObfuscationBench(benchmark::Bench& bench)
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{
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FastRandomContext frc{/*fDeterministic=*/true};
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auto data{frc.randbytes<std::byte>(1024)};
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const auto key{frc.randbytes<Obfuscation::KEY_SIZE>()};
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size_t offset{0};
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bench.batch(data.size()).unit("byte").run([&] {
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Obfuscation().Xor(data, key, offset++); // mutated differently each time
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ankerl::nanobench::doNotOptimizeAway(data);
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});
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}
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BENCHMARK(ObfuscationBench, benchmark::PriorityLevel::HIGH);
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