Bitcoin ABC
0.26.3
P2P Digital Currency
Loading...
Searching...
No Matches
src
bench
streams_findbyte.cpp
Go to the documentation of this file.
1
// Copyright (c) 2023 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
#include <
bench/bench.h
>
6
7
#include <
streams.h
>
8
#include <
util/fs.h
>
9
10
static
void
FindByte
(
benchmark::Bench
&
bench
) {
11
// Setup
12
FILE
*file =
fsbridge::fopen
(
"streams_tmp"
,
"w+b"
);
13
const
size_t
file_size
= 200;
14
uint8_t
data[
file_size
] = {0};
15
data[
file_size
- 1] = 1;
16
fwrite
(&data,
sizeof
(
uint8_t
),
file_size
, file);
17
rewind
(file);
18
CBufferedFile
bf
(file,
/*nBufSize=*/
file_size
+ 1,
/*nRewindIn=*/
file_size
,
19
0, 0);
20
21
bench
.run([&] {
22
bf
.SetPos(0);
23
bf
.FindByte(std::byte(1));
24
});
25
26
// Cleanup
27
bf
.fclose();
28
fs::remove(
"streams_tmp"
);
29
}
30
31
BENCHMARK
(
FindByte
);
bench.h
BENCHMARK
#define BENCHMARK(n)
Definition
bench.h:65
CBufferedFile
Non-refcounted RAII wrapper around a FILE* that implements a ring buffer to deserialize from.
Definition
streams.h:671
ankerl::nanobench::Bench
Main entry point to nanobench's benchmarking facility.
Definition
nanobench.h:616
fs.h
fsbridge::fopen
FILE * fopen(const fs::path &p, const char *mode)
Definition
fs.cpp:30
GetRand
T GetRand(T nMax=std::numeric_limits< T >::max()) noexcept
Generate a uniform random integer of type T in the range [0..nMax) nMax defaults to std::numeric_limi...
Definition
random.h:85
streams.h
FindByte
static void FindByte(benchmark::Bench &bench)
Definition
streams_findbyte.cpp:10
Generated on Sun Oct 13 2024 02:39:34 for Bitcoin ABC by
1.9.8