github-action-benchmark/examples/cpp/bench.cpp at master · ledwards2225/github-action-benchmark · GitHub

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
#include "./fib.hpp"
#include "benchmark/benchmark.h"

static void fib_10(benchmark::State &state) {
  for (auto _ : state) {
    // Suppress optimization otherwise this line is removed by DCE
    int i = 10;
    benchmark::DoNotOptimize(i);
    benchmark::DoNotOptimize(fib(i));
  }
}

static void fib_20(benchmark::State &state) {
  for (auto _ : state) {
    int i = 20;
    benchmark::DoNotOptimize(i);
    benchmark::DoNotOptimize(fib(i));
  }
}

static void fib_30(benchmark::State &state) {
  for (auto _ : state) {
    int i = 30;
    benchmark::DoNotOptimize(i);
    benchmark::DoNotOptimize(fib(i));
  }
}

// Register the function as a benchmark
BENCHMARK(fib_10);
BENCHMARK(fib_20);

// Run the benchmark
BENCHMARK_MAIN();