LiteStringBuilder

An alternative to the System.Text.StringBuilder C# class.

Why?

Because System.Text.StringBuilder does actually a lot of memory allocation when appending string, very often it's just not better than a direct string concat.

Performance

Benchmark Test

Framework 4.8

BenchmarkDotNet=v0.12.0, OS=Windows 10.0.18363
Intel Core i7-8750H CPU 2.20GHz (Coffee Lake), 1 CPU, 12 logical and 6 physical cores
  [Host]     : .NET Framework 4.8 (4.8.4042.0), X86 LegacyJIT
  Job-GLVCMQ : .NET Framework 4.8 (4.8.4042.0), X86 LegacyJIT

Runtime=.NET 4.8  

Method	Mean	Error	StdDev	Gen 0	Gen 1	Gen 2	Allocated
String_Added	613.7 ns	12.02 ns	11.24 ns	0.0725	-	-	345 B
String_Concat	619.3 ns	6.88 ns	5.37 ns	0.0858	-	-	408 B
LiteStringBuilder	738.3 ns	13.77 ns	12.88 ns	0.0429	-	-	204 B
String_Interpolated	740.5 ns	7.73 ns	7.23 ns	0.0782	-	-	369 B
StringBuilder	823.9 ns	16.27 ns	14.43 ns	0.1116	-	-	529 B
Large_LiteStringBuilder	13,043.1 ns	79.89 ns	62.37 ns	1.7242	-	-	8192 B
Large_String_Concat	15,707.7 ns	813.10 ns	798.58 ns	3.3875	-	-	16077 B
Large_String_Interpolated	16,491.2 ns	382.03 ns	1,108.35 ns	3.4027	-	-	16132 B
Large_String_Added	17,051.5 ns	255.97 ns	226.91 ns	3.3875	-	-	16077 B
Large_StringBuilder	33,344.6 ns	652.89 ns	1,035.56 ns	6.0425	-	-	28699 B

Core 3.0

BenchmarkDotNet=v0.12.0, OS=Windows 10.0.17763.775 (1809/October2018Update/Redstone5)
Intel Core i9-9880H CPU 2.30GHz, 1 CPU, 8 logical and 8 physical cores
.NET Core SDK=3.0.100
  [Host]     : .NET Core 3.0.0 (CoreCLR 4.700.19.46205, CoreFX 4.700.19.46214), X64 RyuJIT
  Job-OQEAOY : .NET Core 3.0.0 (CoreCLR 4.700.19.46205, CoreFX 4.700.19.46214), X64 RyuJIT

Runtime=.NET Core 3.0  

Method	Mean	Error	StdDev	Median	Gen 0	Gen 1	Allocated
String_Added	458.7 ns	3.58 ns	3.35 ns	457.7 ns	0.0467	-	392 B
LiteStringBuilder	505.3 ns	10.04 ns	9.86 ns	501.2 ns	0.0410	-	344 B
String_Concat	538.9 ns	13.65 ns	38.29 ns	527.1 ns	0.0668	-	560 B
String_Interpolated	609.5 ns	12.06 ns	12.39 ns	603.9 ns	0.0448	-	376 B
StringBuilder	682.1 ns	15.40 ns	23.51 ns	677.2 ns	0.0544	-	456 B
Large_LiteStringBuilder	8,930.6 ns	175.61 ns	180.34 ns	8,869.1 ns	0.9766	0.0153	8208 B
Large_String_Concat	12,359.0 ns	214.07 ns	200.24 ns	12,350.1 ns	1.9073	0.0763	16048 B
Large_String_Interpolated	12,612.2 ns	189.40 ns	177.17 ns	12,607.5 ns	1.9226	0.0610	16112 B
Large_String_Added	12,776.4 ns	296.47 ns	549.52 ns	12,611.3 ns	1.9073	0.0763	16048 B
Large_StringBuilder	30,215.0 ns	569.50 ns	504.85 ns	30,011.7 ns	3.4485	0.1831	28952 B

Supported Platforms

Currently;

• .Net Framework 4.0+
• .Net Standard 1.3+

How do I use it?

We got your samples right here

Install the Nuget package like this;

    PM> Install-Package >LiteStringBuilder

Or reference the LiteStringBuilder.dll assembly that matches your app's platform.

Creating LiteStringBuilder

    using StringHelper;
    //create through instance
    var sb = new LiteStringBuilder();
    
    //or through static call (will create a new instance)
    var sb = LiteStringBuilder.Create();
    
    //Can create instance with buffer pool size
    var sb = new LiteStringBuilder(500);
    
      //Can create instance with initial string value.
    var sb = new LiteStringBuilder("Hello World");

Using LiteStringBuilder

    //Retrieve an instance from the pool
    var sb = LiteStringBuilder.Create();
 
    sb.Append("Cost: ").Append(32.11).Append(" Sent: ").Append(false);
    
    //Return instance of string;
    sb.ToString();