Files
bitcoin/src/bench/poly1305.cpp
MarcoFalke fa5f297748 scripted-diff: [doc] Unify stale copyright headers
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 sed --in-place --regexp-extended \
   's;( 20[0-2][0-9])(-20[0-2][0-9])? The Bitcoin Core developers;\1-present The Bitcoin Core developers;g' \
   $( git grep -l 'The Bitcoin Core developers' -- ':(exclude)COPYING' ':(exclude)src/ipc/libmultiprocess' ':(exclude)src/minisketch' )

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2025-12-16 22:21:15 +01:00

47 lines
1.3 KiB
C++

// Copyright (c) 2019-present 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 <crypto/poly1305.h>
#include <span.h>
#include <cstddef>
#include <cstdint>
#include <vector>
/* Number of bytes to process per iteration */
static constexpr uint64_t BUFFER_SIZE_TINY = 64;
static constexpr uint64_t BUFFER_SIZE_SMALL = 256;
static constexpr uint64_t BUFFER_SIZE_LARGE = 1024*1024;
static void POLY1305(benchmark::Bench& bench, size_t buffersize)
{
std::vector<std::byte> tag(Poly1305::TAGLEN, {});
std::vector<std::byte> key(Poly1305::KEYLEN, {});
std::vector<std::byte> in(buffersize, {});
bench.batch(in.size()).unit("byte").run([&] {
Poly1305{key}.Update(in).Finalize(tag);
});
}
static void POLY1305_64BYTES(benchmark::Bench& bench)
{
POLY1305(bench, BUFFER_SIZE_TINY);
}
static void POLY1305_256BYTES(benchmark::Bench& bench)
{
POLY1305(bench, BUFFER_SIZE_SMALL);
}
static void POLY1305_1MB(benchmark::Bench& bench)
{
POLY1305(bench, BUFFER_SIZE_LARGE);
}
BENCHMARK(POLY1305_64BYTES, benchmark::PriorityLevel::HIGH);
BENCHMARK(POLY1305_256BYTES, benchmark::PriorityLevel::HIGH);
BENCHMARK(POLY1305_1MB, benchmark::PriorityLevel::HIGH);