From 3ece4fe77014ebefb4a06b387c8db17a7aa1b706 Mon Sep 17 00:00:00 2001
From: Aleksey Kalduzov <alexey.kalduzov@gmail.com>
Date: Tue, 17 Oct 2023 23:46:57 +0500
Subject: [PATCH] remove md5 benchmarks

---
 .../NKafka.Benchmarks/Md5HashBenchmark.cs     | 116 ------------------
 1 file changed, 116 deletions(-)
 delete mode 100644 benchmarks/NKafka.Benchmarks/Md5HashBenchmark.cs

diff --git a/benchmarks/NKafka.Benchmarks/Md5HashBenchmark.cs b/benchmarks/NKafka.Benchmarks/Md5HashBenchmark.cs
deleted file mode 100644
index 522fd9a..0000000
--- a/benchmarks/NKafka.Benchmarks/Md5HashBenchmark.cs
+++ /dev/null
@@ -1,116 +0,0 @@
-//  This is an independent project of an individual developer. Dear PVS-Studio, please check it.
-// 
-//  PVS-Studio Static Code Analyzer for C, C++, C#, and Java: https://pvs-studio.com
-// 
-//  Copyright ©  2023 Aleksey Kalduzov. All rights reserved
-// 
-//  Author: Aleksey Kalduzov
-//  Email: alexei.kalduzov@gmail.com
-// 
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-// 
-//      http://www.apache.org/licenses/LICENSE-2.0
-// 
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-using System.Runtime.CompilerServices;
-using System.Runtime.Intrinsics.X86;
-using System.Security.Cryptography;
-using System.Text;
-
-using BenchmarkDotNet.Attributes;
-using BenchmarkDotNet.Jobs;
-
-namespace NKafka.Benchmarks;
-
-[MemoryDiagnoser]
-[SimpleJob(RuntimeMoniker.Net60)]
-[SimpleJob(RuntimeMoniker.Net70)]
-public class Md5HashBenchmark
-{
-    [Params("test")]
-    public string Text;
-
-    private MD5 _md5;
-
-    [GlobalSetup]
-    public void Setup()
-    {
-        _md5 = MD5.Create();
-    }
-
-    [Benchmark(Baseline = true)]
-    public int CalculateSimple()
-    {
-        return CalculateSimpleInternal(Text);
-    }
-
-    [Benchmark]
-    public int CalculateOptimization()
-    {
-        return CalculateOptimizationInternal(ref Text);
-    }
-
-    [Benchmark]
-    public int CalculateOptimizationCrc32()
-    {
-        var buf = Unsafe.As<string, byte[]>(ref Text);
-
-        return (int)Crc32(buf);
-    }
-
-    private int CalculateOptimizationInternal(ref string text)
-    {
-        Span<byte> dest = stackalloc byte[16];
-        var buf = Unsafe.As<string, byte[]>(ref text);
-        var hash = _md5.TryComputeHash(buf, dest, out _);
-
-        return GetHashCode(dest);
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    private int CalculateSimpleInternal(string text)
-    {
-        var buf = Encoding.UTF8.GetBytes(text);
-        var hash = _md5.ComputeHash(buf);
-
-        return GetHashCode(hash);
-    }
-
-    private static int GetHashCode(Span<byte> array)
-    {
-        unchecked
-        {
-            if (array == null)
-            {
-                return 0;
-            }
-            var hash = 17;
-
-            foreach (var element in array)
-            {
-                hash = hash * 31 + element.GetHashCode();
-            }
-
-            return hash;
-        }
-    }
-
-    private static uint Crc32(Span<byte> buffer)
-    {
-        var crc = 0xFFFFFFFF;
-
-        foreach (var b in buffer)
-        {
-            crc = Sse42.Crc32(crc, b);
-        }
-
-        return crc ^ 0xFFFFFFFF;
-    }
-}
\ No newline at end of file