Benchmark.md

ToString

[IterationSetup]publicvoidSetup(){_str=newstring('S',StrLength);_sb=newSystem.Text.StringBuilder();for(inti=0;i<1000;i++){_sb.AppendLine(_str);}_sbArr=newStringBuilderArray.StringBuilderArray();for(inti=0;i<1000;i++){_sbArr.AppendLine(_str);}}[Benchmark(Baseline=true,Description="StringBuilderArray")]publicvoidStringBuilderArray(){_sbArr.ToString();}[Benchmark(Description="StringBuilder")]publicvoidStringBuilder(){_sb.ToString();}

Method	Job	Runtime	StrLength	Mean	Ratio	Allocated	Alloc Ratio
StringBuilderArray	.NET 10.0	.NET 10.0	1071741	289,587.367 μs	1.00	2093248.07 KB	1.00
StringBuilder	.NET 10.0	.NET 10.0	1071741	318,024.700 μs	1.10	2093248.07 KB	1.00
StringBuilderArray	NativeAOT 10.0	NativeAOT 10.0	1071741	292,666.936 μs	1.00	2093248.07 KB	1.00
StringBuilder	NativeAOT 10.0	NativeAOT 10.0	1071741	320,468.233 μs	1.10	2093248.07 KB	1.00

AppendLine

[IterationSetup]publicvoidSetup(){_str=newstring('S',StrLength);}[Benchmark(Baseline=true,Description="StringBuilderArray")]publicvoidStringBuilderArray(){varsb=newStringBuilderArray.StringBuilderArray();for(inti=0;i<1000;i++){sb.AppendLine(_str);}}[Benchmark(Description="StringBuilder")]publicvoidStringBuilder(){varsb=newSystem.Text.StringBuilder();for(inti=0;i<1000;i++){sb.AppendLine(_str);}}[Benchmark(Description="DefaultInterpolatedStringHandler")]publicvoidDefaultInterpolatedStringHandler(){varsb=newDefaultInterpolatedStringHandler();for(inti=0;i<1000;i++){sb.AppendLiteral(_str);}}

Method	Job	Runtime	StrLength	Mean	Ratio	Allocated	Alloc Ratio
StringBuilderArray	.NET 10.0	.NET 10.0	1071741	29.945 μs	1.03	20.48 KB	1.00
StringBuilder	.NET 10.0	.NET 10.0	1071741	123,382.045 μs	4,229.27	2093438.98 KB	102,196.87
DefaultInterpolatedStringHandler	.NET 10.0	.NET 10.0	1071741	231,279.579 μs	7,927.77	2097152.02 KB	102,378.13
StringBuilderArray	NativeAOT 10.0	NativeAOT 10.0	1071741	6.277 μs	1.02	20.48 KB	1.00
StringBuilder	NativeAOT 10.0	NativeAOT 10.0	1071741	126,442.383 μs	20,631.07	2093440.23 KB	102,196.93
DefaultInterpolatedStringHandler	NativeAOT 10.0	NativeAOT 10.0	1071741	227,531.679 μs	37,125.38	2097152.4 KB	102,378.15

AppendLine + Clear

[IterationSetup]publicvoidSetup(){_str=newstring('S',StrLength);}[Benchmark(Baseline=true,Description="StringBuilderArray")]publicvoidStringBuilderArray(){varsb=newStringBuilderArray.StringBuilderArray();for(inti=0;i<1000;i++){sb.AppendLine(_str);}sb.Clear();for(inti=0;i<1000;i++){sb.AppendLine(_str);}}[Benchmark(Description="StringBuilder")]publicvoidStringBuilder(){varsb=newSystem.Text.StringBuilder();for(inti=0;i<1000;i++){sb.AppendLine(_str);}sb.Clear();for(inti=0;i<1000;i++){sb.AppendLine(_str);}}[Benchmark(Description="DefaultInterpolatedStringHandler")]publicvoidDefaultInterpolatedStringHandler(){varsb=newDefaultInterpolatedStringHandler();for(inti=0;i<1000;i++){sb.AppendLiteral(_str);}sb.Clear();for(inti=0;i<1000;i++){sb.AppendLiteral(_str);}}

Method	Job	Runtime	StrLength	Mean	Ratio	Allocated	Alloc Ratio
StringBuilderArray	.NET 10.0	.NET 10.0	1071741	39.325 μs	1.03	40.82 KB	1.00
StringBuilder	.NET 10.0	.NET 10.0	1071741	233,685.746 μs	6,141.00	4186788.48 KB	102,566.30
DefaultInterpolatedStringHandler	.NET 10.0	.NET 10.0	1071741	466,345.020 μs	12,255.03	2097152.02 KB	51,375.21
StringBuilderArray	NativeAOT 10.0	NativeAOT 10.0	1071741	10.092 μs	1.01	40.87 KB	1.00
StringBuilder	NativeAOT 10.0	NativeAOT 10.0	1071741	240,078.979 μs	23,996.71	4186789.73 KB	102,448.69
DefaultInterpolatedStringHandler	NativeAOT 10.0	NativeAOT 10.0	1071741	455,444.213 μs	45,523.19	2097152.02 KB	51,316.28

Insert

[IterationSetup]publicvoidSetup(){_str=newstring('S',StrLength);}[Benchmark(Baseline=true,Description="StringBuilderArray")]publicvoidStringBuilderArray(){varsb=newStringBuilderArray.StringBuilderArray();for(inti=0;i<100;i++){sb.Append(_str);}sb.Insert(0,_str);//in startsb.Insert(100,_str);//after 5 str from startsb.Insert(96,_str);}[Benchmark(Description="StringBuilder")]publicvoidStringBuilder(){varsb=newSystem.Text.StringBuilder();for(inti=0;i<100;i++){sb.Append(_str);}//before 1 str from endsb.Insert(99*_str.Length,_str);//in startsb.Insert(0,_str);//after 5 str from startsb.Insert(5*_str.Length,_str);}

Method	Job	Runtime	StrLength	Mean	Ratio	Allocated	Alloc Ratio
StringBuilderArray	.NET 10.0	.NET 10.0	1071741	5.069 μs	1.02	1.45 KB	1.00
StringBuilder	.NET 10.0	.NET 10.0	1071741	14,424.515 μs	2,909.17	215628.59 KB	148,389.57
StringBuilderArray	NativeAOT 10.0	NativeAOT 10.0	1071741	2.073 μs	1.01	1.45 KB	1.00
StringBuilder	NativeAOT 10.0	NativeAOT 10.0	1071741	13,324.245 μs	6,492.04	215629.18 KB	148,389.97