あんまり速くなかった…

gistfile1.cs

<#@ template debug="false" hostspecific="true" language="C#" #>
<#@ assembly name="System.Core" #>
<#@ import namespace="System.IO" #>
<#@ import namespace="System.Linq" #>
<#@ output extension=".cs" #>
using System.Reflection;

class UnsafePoh {
	static readonly byte[] bytes = new byte[]{
<#= string.Join(Environment.NewLine, File.ReadAllBytes(Host.ResolvePath("Unsafe.dll")).Select((b, i) => new { b, i }).GroupBy(a => a.i / 16, a => string.Format("0x{0:X2}, ", a.b), (_, g) => string.Concat(g))) #>
	};
	static void Main() {
		Assembly.Load(bytes).GetType("Unsafe").InvokeMember("Main", BindingFlags.Public|BindingFlags.Static|BindingFlags.InvokeMethod, null, null, null);
	}
}