Bitcoin Core  0.20.99
P2P Digital Currency
poly1305.cpp
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1 // Copyright (c) 2019 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 
6 #include <bench/bench.h>
7 #include <crypto/poly1305.h>
8 
9 /* Number of bytes to process per iteration */
10 static constexpr uint64_t BUFFER_SIZE_TINY = 64;
11 static constexpr uint64_t BUFFER_SIZE_SMALL = 256;
12 static constexpr uint64_t BUFFER_SIZE_LARGE = 1024*1024;
13 
14 static void POLY1305(benchmark::Bench& bench, size_t buffersize)
15 {
16  std::vector<unsigned char> tag(POLY1305_TAGLEN, 0);
17  std::vector<unsigned char> key(POLY1305_KEYLEN, 0);
18  std::vector<unsigned char> in(buffersize, 0);
19  bench.batch(in.size()).unit("byte").run([&] {
20  poly1305_auth(tag.data(), in.data(), in.size(), key.data());
21  });
22 }
23 
25 {
26  POLY1305(bench, BUFFER_SIZE_TINY);
27 }
28 
30 {
32 }
33 
34 static void POLY1305_1MB(benchmark::Bench& bench)
35 {
37 }
38 
#define POLY1305_TAGLEN
Definition: poly1305.h:12
static constexpr uint64_t BUFFER_SIZE_SMALL
Definition: poly1305.cpp:11
static void POLY1305_64BYTES(benchmark::Bench &bench)
Definition: poly1305.cpp:24
static void POLY1305(benchmark::Bench &bench, size_t buffersize)
Definition: poly1305.cpp:14
static constexpr uint64_t BUFFER_SIZE_LARGE
Definition: poly1305.cpp:12
Bench & run(char const *benchmarkName, Op &&op)
Repeatedly calls op() based on the configuration, and performs measurements.
Definition: nanobench.h:1134
BENCHMARK(POLY1305_64BYTES)
void poly1305_auth(unsigned char out[POLY1305_TAGLEN], const unsigned char *m, size_t inlen, const unsigned char key[POLY1305_KEYLEN])
Definition: poly1305.cpp:15
static constexpr uint64_t BUFFER_SIZE_TINY
Definition: poly1305.cpp:10
static void POLY1305_256BYTES(benchmark::Bench &bench)
Definition: poly1305.cpp:29
Main entry point to nanobench&#39;s benchmarking facility.
Definition: nanobench.h:583
#define POLY1305_KEYLEN
Definition: poly1305.h:11
static void POLY1305_1MB(benchmark::Bench &bench)
Definition: poly1305.cpp:34
ANKERL_NANOBENCH(NODISCARD) std Bench & batch(T b) noexcept
Sets the batch size.