diff options
author | Jiyoung Yun <jy910.yun@samsung.com> | 2016-11-23 19:09:09 +0900 |
---|---|---|
committer | Jiyoung Yun <jy910.yun@samsung.com> | 2016-11-23 19:09:09 +0900 |
commit | 4b4aad7217d3292650e77eec2cf4c198ea9c3b4b (patch) | |
tree | 98110734c91668dfdbb126fcc0e15ddbd93738ca /tests/src/JIT/Performance/CodeQuality/BenchF/BenchMrk/BenchMrk.cs | |
parent | fa45f57ed55137c75ac870356a1b8f76c84b229c (diff) | |
download | coreclr-4b4aad7217d3292650e77eec2cf4c198ea9c3b4b.tar.gz coreclr-4b4aad7217d3292650e77eec2cf4c198ea9c3b4b.tar.bz2 coreclr-4b4aad7217d3292650e77eec2cf4c198ea9c3b4b.zip |
Imported Upstream version 1.1.0upstream/1.1.0
Diffstat (limited to 'tests/src/JIT/Performance/CodeQuality/BenchF/BenchMrk/BenchMrk.cs')
-rw-r--r-- | tests/src/JIT/Performance/CodeQuality/BenchF/BenchMrk/BenchMrk.cs | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/tests/src/JIT/Performance/CodeQuality/BenchF/BenchMrk/BenchMrk.cs b/tests/src/JIT/Performance/CodeQuality/BenchF/BenchMrk/BenchMrk.cs new file mode 100644 index 0000000000..27a5fe617c --- /dev/null +++ b/tests/src/JIT/Performance/CodeQuality/BenchF/BenchMrk/BenchMrk.cs @@ -0,0 +1,66 @@ +// 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] +[assembly: MeasureInstructionsRetired] + +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); + } +} |