blob: ec70102f27f906758c98a5b6f9bcecc2a1139ae5 (
plain)
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
57
58
59
60
61
62
63
64
65
66
67
68
|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
using Microsoft.Xunit.Performance;
using System;
using System.Runtime.CompilerServices;
using Xunit;
[assembly: OptimizeForBenchmarks]
namespace Benchstone.BenchF
{
public static class BenchMrk
{
#if DEBUG
public const int Iterations = 1;
#else
public const int Iterations = 4000000;
#endif
private static int s_i, s_n;
private static float s_p, s_a, s_x, s_f, s_e;
[MethodImpl(MethodImplOptions.NoInlining)]
private static bool Bench()
{
s_p = (float)Math.Acos(-1.0);
s_a = 0.0F;
s_n = Iterations;
s_f = s_p / s_n;
for (s_i = 1; s_i <= s_n; ++s_i)
{
s_f = s_p / s_n;
s_x = s_f * s_i;
s_e = (float)(Math.Abs(Math.Log(Math.Exp(s_x)) / s_x) - Math.Sqrt((Math.Sin(s_x) * Math.Sin(s_x)) + Math.Cos(s_x) * Math.Cos(s_x)));
s_a = s_a + Math.Abs(s_e);
}
return true;
}
[Benchmark]
public static void Test()
{
foreach (var iteration in Benchmark.Iterations)
{
using (iteration.StartMeasurement())
{
Bench();
}
}
}
private static bool TestBase()
{
bool result = Bench();
return result;
}
public static int Main()
{
bool result = TestBase();
return (result ? 100 : -1);
}
}
}
|
