File: example_benchmark.cpp

package info (click to toggle)
seqan3 3.0.2%2Bds-9
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 16,052 kB
  • sloc: cpp: 144,641; makefile: 1,288; ansic: 294; sh: 228; xml: 217; javascript: 50; python: 27; php: 25
file content (56 lines) | stat: -rw-r--r-- 1,828 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
// -----------------------------------------------------------------------------------------------------
// Copyright (c) 2006-2020, Knut Reinert & Freie Universität Berlin
// Copyright (c) 2016-2020, Knut Reinert & MPI für molekulare Genetik
// This file may be used, modified and/or redistributed under the terms of the 3-clause BSD-License
// shipped with this file and also available at: https://github.com/seqan/seqan3/blob/master/LICENSE.md
// -----------------------------------------------------------------------------------------------------

#include <algorithm>
#include <cstring>

#include <benchmark/benchmark.h>

#include <seqan3/test/performance/units.hpp>

static void vector_copy_benchmark(benchmark::State & state) {
    std::vector<int> x = {15, 13, 12, 10};
    for (auto _ : state)
        std::vector<int> copy{x};
}

static void memcpy_benchmark(benchmark::State & state) {
    unsigned size = state.range(0);
    char* src = new char[size];
    char* dst = new char[size];

    memset(src, '-', size);
    for (auto _ : state)
        memcpy(dst, src, size);

    state.counters["bytes_per_second"] = seqan3::test::bytes_per_second(size);
    delete[] src;
    delete[] dst;
}

static void copy_benchmark(benchmark::State & state) {
    unsigned size = state.range(0);
    char* src = new char[size];
    char* dst = new char[size];

    memset(src, '-', size);
    for (auto _ : state)
        std::copy_n(src, size, dst);

    state.counters["bytes_per_second"] = seqan3::test::bytes_per_second(size);
    delete[] src;
    delete[] dst;
}

// Register the function as a benchmark
BENCHMARK(vector_copy_benchmark);

BENCHMARK(memcpy_benchmark)->Arg(8)->Arg(64)->Arg(512);
BENCHMARK(memcpy_benchmark)->Range(4, 4<<5);
BENCHMARK(copy_benchmark)->RangeMultiplier(2)->Range(4, 4<<5);

BENCHMARK_MAIN();