usingSystem.Buffers;usingSystem.Text;usingBenchmarkDotNet.Attributes;usingBenchmarkDotNet.Configs;usingBenchmarkDotNet.Order;usingBenchmarkDotNet.Running;namespaceBenchMark;[MemoryDiagnoser][RankColumn][Orderer(SummaryOrderPolicy.FastestToSlowest)][GroupBenchmarksBy(BenchmarkLogicalGroupRule.ByParams)]publicclassSearchValuesBenchmark2{publicstaticreadonlyList<string>Strings=[];privatestaticreadonlySearchValues<char>s_defaultCharsToCheck=SearchValues.Create("$`");privatestaticreadonlySearchValues<char>s_escapeCharsToCheck=SearchValues.Create("$[]`");privatestaticboolContainsCharsToCheck(ReadOnlySpan<char>text,boolescape)=>text.ContainsAny(escape?s_escapeCharsToCheck:s_defaultCharsToCheck);[Params(10,100,1000)]publicintStringCount;privateclassRandomGenerator{privatestaticreadonlyRandomrandom=new();privateconststringchars="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789$[]`";publicstaticstringGenerateRandomTextWithSpecialChars(intminLength,intmaxLength){intlength=random.Next(minLength,maxLength+1);varstringBuilder=newStringBuilder(length);for(inti=0;i<length;i++){stringBuilder.Append(chars[random.Next(chars.Length)]);}returnstringBuilder.ToString();}publicstaticboolGetRandomBool()=>random.Next(2)==1;}[GlobalSetup]publicvoidSetup(){for(inti=0;i<StringCount;i++){Strings.Add(RandomGenerator.GenerateRandomTextWithSpecialChars(10,100));}}[Benchmark(Baseline=true)]publicintWithIndexofAnyAndCharArray(){intcheckCount=0;foreach(varstrinStrings){varescape=RandomGenerator.GetRandomBool();char[]charToCheck=escape?['$','[',']','`']:['$','`'];if(str.IndexOfAny(charToCheck)!=1){checkCount++;}}returncheckCount;}[Benchmark]publicintWithSearchValuesContains(){intcheckCount=0;foreach(varstrinStrings){varescape=RandomGenerator.GetRandomBool();if(ContainsCharsToCheck(str,escape)){checkCount++;}}returncheckCount;}}publicclassProgram{publicstaticvoidMain(string[]args){BenchmarkRunner.Run<SearchValuesBenchmark2>();}}

// * Detailed results *SearchValuesBenchmark2.WithSearchValuesContains: DefaultJob [StringCount=10]Runtime = .NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX2; GC = Concurrent WorkstationMean = 116.001 ns, StdErr = 0.096 ns (0.08%), N = 15, StdDev = 0.374 nsMin = 115.315 ns, Q1 = 115.717 ns, Median = 116.086 ns, Q3 = 116.240 ns, Max = 116.490 nsIQR = 0.523 ns, LowerFence = 114.931 ns, UpperFence = 117.025 nsConfidenceInterval = [115.601 ns; 116.400 ns] (CI 99.9%), Margin = 0.399 ns (0.34% of Mean)Skewness = -0.47, Kurtosis = 1.75, MValue = 2-------------------- Histogram --------------------[115.116 ns ; 116.689 ns) | @@@@@@@@@@@@@@@---------------------------------------------------SearchValuesBenchmark2.WithIndexofAnyAndCharArray: DefaultJob [StringCount=10]Runtime = .NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX2; GC = Concurrent WorkstationMean = 165.199 ns, StdErr = 0.465 ns (0.28%), N = 14, StdDev = 1.741 nsMin = 161.502 ns, Q1 = 164.679 ns, Median = 165.128 ns, Q3 = 166.057 ns, Max = 168.138 nsIQR = 1.378 ns, LowerFence = 162.612 ns, UpperFence = 168.124 nsConfidenceInterval = [163.235 ns; 167.163 ns] (CI 99.9%), Margin = 1.964 ns (1.19% of Mean)Skewness = -0.37, Kurtosis = 2.59, MValue = 2-------------------- Histogram --------------------[160.554 ns ; 169.086 ns) | @@@@@@@@@@@@@@---------------------------------------------------SearchValuesBenchmark2.WithSearchValuesContains: DefaultJob [StringCount=100]Runtime = .NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX2; GC = Concurrent WorkstationMean = 1.401 us, StdErr = 0.002 us (0.12%), N = 15, StdDev = 0.007 usMin = 1.390 us, Q1 = 1.397 us, Median = 1.401 us, Q3 = 1.404 us, Max = 1.412 usIQR = 0.007 us, LowerFence = 1.386 us, UpperFence = 1.415 usConfidenceInterval = [1.394 us; 1.408 us] (CI 99.9%), Margin = 0.007 us (0.51% of Mean)Skewness = -0.05, Kurtosis = 1.92, MValue = 2-------------------- Histogram --------------------[1.386 us ; 1.415 us) | @@@@@@@@@@@@@@@---------------------------------------------------SearchValuesBenchmark2.WithIndexofAnyAndCharArray: DefaultJob [StringCount=100]Runtime = .NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX2; GC = Concurrent WorkstationMean = 1.871 us, StdErr = 0.009 us (0.47%), N = 16, StdDev = 0.035 usMin = 1.823 us, Q1 = 1.845 us, Median = 1.862 us, Q3 = 1.895 us, Max = 1.936 usIQR = 0.050 us, LowerFence = 1.771 us, UpperFence = 1.969 usConfidenceInterval = [1.835 us; 1.907 us] (CI 99.9%), Margin = 0.036 us (1.92% of Mean)Skewness = 0.55, Kurtosis = 1.89, MValue = 2-------------------- Histogram --------------------[1.804 us ; 1.871 us) | @@@@@@@@@@[1.871 us ; 1.955 us) | @@@@@@---------------------------------------------------SearchValuesBenchmark2.WithSearchValuesContains: DefaultJob [StringCount=1000]Runtime = .NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX2; GC = Concurrent WorkstationMean = 16.237 us, StdErr = 0.022 us (0.13%), N = 15, StdDev = 0.083 usMin = 16.087 us, Q1 = 16.187 us, Median = 16.252 us, Q3 = 16.306 us, Max = 16.352 usIQR = 0.119 us, LowerFence = 16.009 us, UpperFence = 16.484 usConfidenceInterval = [16.148 us; 16.326 us] (CI 99.9%), Margin = 0.089 us (0.55% of Mean)Skewness = -0.38, Kurtosis = 1.67, MValue = 2-------------------- Histogram --------------------[16.042 us ; 16.397 us) | @@@@@@@@@@@@@@@---------------------------------------------------SearchValuesBenchmark2.WithIndexofAnyAndCharArray: DefaultJob [StringCount=1000]Runtime = .NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX2; GC = Concurrent WorkstationMean = 24.508 us, StdErr = 0.074 us (0.30%), N = 15, StdDev = 0.285 usMin = 24.142 us, Q1 = 24.260 us, Median = 24.549 us, Q3 = 24.693 us, Max = 25.046 usIQR = 0.434 us, LowerFence = 23.609 us, UpperFence = 25.344 usConfidenceInterval = [24.204 us; 24.813 us] (CI 99.9%), Margin = 0.304 us (1.24% of Mean)Skewness = 0.28, Kurtosis = 1.77, MValue = 2-------------------- Histogram --------------------[24.036 us ; 25.197 us) | @@@@@@@@@@@@@@@---------------------------------------------------// * Summary *BenchmarkDotNet v0.14.0, Windows 11 (10.0.22631.4602/23H2/2023Update/SunValley3)AMD Ryzen Threadripper 3960X, 1 CPU, 48 logical and 24 physical cores.NET SDK 9.0.102  [Host]     : .NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX2  DefaultJob : .NET 9.0.1 (9.0.124.61010), X64 RyuJIT AVX2| Method                     | StringCount | Mean        | Error     | StdDev    | Ratio | RatioSD | Rank | Gen0   | Allocated | Alloc Ratio ||--------------------------- |------------ |------------:|----------:|----------:|------:|--------:|-----:|-------:|----------:|------------:|| WithSearchValuesContains   | 10          |    116.0 ns |   0.40 ns |   0.37 ns |  0.70 |    0.01 |    1 |      - |         - |        0.00 || WithIndexofAnyAndCharArray | 10          |    165.2 ns |   1.96 ns |   1.74 ns |  1.00 |    0.01 |    2 | 0.0381 |     320 B |        1.00 ||                            |             |             |           |           |       |         |      |        |           |             || WithSearchValuesContains   | 100         |  1,400.7 ns |   7.11 ns |   6.65 ns |  0.75 |    0.01 |    1 |      - |         - |        0.00 || WithIndexofAnyAndCharArray | 100         |  1,871.4 ns |  36.00 ns |  35.36 ns |  1.00 |    0.03 |    2 | 0.3815 |    3200 B |        1.00 ||                            |             |             |           |           |       |         |      |        |           |             || WithSearchValuesContains   | 1000        | 16,236.8 ns |  89.07 ns |  83.32 ns |  0.66 |    0.01 |    1 |      - |         - |        0.00 || WithIndexofAnyAndCharArray | 1000        | 24,508.3 ns | 304.39 ns | 284.73 ns |  1.00 |    0.02 |    2 | 3.8147 |   32000 B |        1.00 |