Bitcoin Core  27.99.0
P2P Digital Currency
poly1305.cpp
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1 // Copyright (c) 2019-2022 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 #include <span.h>
10 
11 /* Number of bytes to process per iteration */
12 static constexpr uint64_t BUFFER_SIZE_TINY = 64;
13 static constexpr uint64_t BUFFER_SIZE_SMALL = 256;
14 static constexpr uint64_t BUFFER_SIZE_LARGE = 1024*1024;
15 
16 static void POLY1305(benchmark::Bench& bench, size_t buffersize)
17 {
18  std::vector<std::byte> tag(Poly1305::TAGLEN, {});
19  std::vector<std::byte> key(Poly1305::KEYLEN, {});
20  std::vector<std::byte> in(buffersize, {});
21  bench.batch(in.size()).unit("byte").run([&] {
22  Poly1305{key}.Update(in).Finalize(tag);
23  });
24 }
25 
27 {
28  POLY1305(bench, BUFFER_SIZE_TINY);
29 }
30 
32 {
34 }
35 
36 static void POLY1305_1MB(benchmark::Bench& bench)
37 {
39 }
40 
static constexpr uint64_t BUFFER_SIZE_LARGE
Definition: poly1305.cpp:14
static constexpr uint64_t BUFFER_SIZE_TINY
Definition: poly1305.cpp:12
static constexpr uint64_t BUFFER_SIZE_SMALL
Definition: poly1305.cpp:13
static void POLY1305_256BYTES(benchmark::Bench &bench)
Definition: poly1305.cpp:31
static void POLY1305(benchmark::Bench &bench, size_t buffersize)
Definition: poly1305.cpp:16
static void POLY1305_64BYTES(benchmark::Bench &bench)
Definition: poly1305.cpp:26
static void POLY1305_1MB(benchmark::Bench &bench)
Definition: poly1305.cpp:36
BENCHMARK(POLY1305_64BYTES, benchmark::PriorityLevel::HIGH)
C++ wrapper with std::byte Span interface around poly1305_donna code.
Definition: poly1305.h:38
static constexpr unsigned KEYLEN
Length of the keys expected by the constructor.
Definition: poly1305.h:46
Poly1305 & Update(Span< const std::byte > msg) noexcept
Process message bytes.
Definition: poly1305.h:56
static constexpr unsigned TAGLEN
Length of the output produced by Finalize().
Definition: poly1305.h:43
Main entry point to nanobench's benchmarking facility.
Definition: nanobench.h:627
Bench & run(char const *benchmarkName, Op &&op)
Repeatedly calls op() based on the configuration, and performs measurements.
Definition: nanobench.h:1234
Bench & batch(T b) noexcept
Sets the batch size.
Definition: nanobench.h:1258
Bench & unit(char const *unit)
Sets the operation unit.
@ HIGH
Definition: bench.h:47