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src/bench/poly1305.cpp
// Copyright (c) 2019 The Bitcoin Core developers | // Copyright (c) 2019 The Bitcoin Core developers | ||||
// Distributed under the MIT software license, see the accompanying | // Distributed under the MIT software license, see the accompanying | ||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php. | // file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||||
#include <iostream> | #include <iostream> | ||||
#include <bench/bench.h> | #include <bench/bench.h> | ||||
#include <crypto/poly1305.h> | #include <crypto/poly1305.h> | ||||
/* Number of bytes to process per iteration */ | /* Number of bytes to process per iteration */ | ||||
static constexpr uint64_t BUFFER_SIZE_TINY = 64; | static constexpr uint64_t BUFFER_SIZE_TINY = 64; | ||||
static constexpr uint64_t BUFFER_SIZE_SMALL = 256; | static constexpr uint64_t BUFFER_SIZE_SMALL = 256; | ||||
static constexpr uint64_t BUFFER_SIZE_LARGE = 1024 * 1024; | static constexpr uint64_t BUFFER_SIZE_LARGE = 1024 * 1024; | ||||
static void POLY1305(benchmark::State &state, size_t buffersize) { | static void POLY1305(benchmark::Bench &bench, size_t buffersize) { | ||||
std::vector<uint8_t> tag(POLY1305_TAGLEN, 0); | std::vector<uint8_t> tag(POLY1305_TAGLEN, 0); | ||||
std::vector<uint8_t> key(POLY1305_KEYLEN, 0); | std::vector<uint8_t> key(POLY1305_KEYLEN, 0); | ||||
std::vector<uint8_t> in(buffersize, 0); | std::vector<uint8_t> in(buffersize, 0); | ||||
while (state.KeepRunning()) { | bench.batch(in.size()).unit("byte").run( | ||||
poly1305_auth(tag.data(), in.data(), in.size(), key.data()); | [&] { poly1305_auth(tag.data(), in.data(), in.size(), key.data()); }); | ||||
} | |||||
} | } | ||||
static void POLY1305_64BYTES(benchmark::State &state) { | static void POLY1305_64BYTES(benchmark::Bench &bench) { | ||||
POLY1305(state, BUFFER_SIZE_TINY); | POLY1305(bench, BUFFER_SIZE_TINY); | ||||
} | } | ||||
static void POLY1305_256BYTES(benchmark::State &state) { | static void POLY1305_256BYTES(benchmark::Bench &bench) { | ||||
POLY1305(state, BUFFER_SIZE_SMALL); | POLY1305(bench, BUFFER_SIZE_SMALL); | ||||
} | } | ||||
static void POLY1305_1MB(benchmark::State &state) { | static void POLY1305_1MB(benchmark::Bench &bench) { | ||||
POLY1305(state, BUFFER_SIZE_LARGE); | POLY1305(bench, BUFFER_SIZE_LARGE); | ||||
} | } | ||||
BENCHMARK(POLY1305_64BYTES, 500000); | BENCHMARK(POLY1305_64BYTES); | ||||
BENCHMARK(POLY1305_256BYTES, 250000); | BENCHMARK(POLY1305_256BYTES); | ||||
BENCHMARK(POLY1305_1MB, 340); | BENCHMARK(POLY1305_1MB); |