public unsafe void xxHashIncrementalBenchmark()
{
var rng = new Random(42);
var len = 10;
var mem = BufferPool.Retain(len);
var ptr = (byte *)mem.Pointer;
rng.NextBytes(mem.GetSpan());
var count = 50_000_000;
var sum = 0UL;
var state = new XxHash.XxHashState32(0);
using (Benchmark.Run("xxHash", count))
{
for (int i = 0; i < count; i++)
{
XxHash.Update(ref state, ptr, len);
}
}
var digest = XxHash.Digest(state);
Benchmark.Dump();
Console.WriteLine(digest);
}
public unsafe void xxHashBenchmark()
{
var rng = new Random(42);
var len = 10;
var mem = BufferPool.Retain(len);
var ptr = (byte *)mem.Pointer;
rng.NextBytes(mem.GetSpan());
var count = 50_000_000;
uint hash = 0;
using (Benchmark.Run("xxHash", count))
{
for (int i = 0; i < count; i++)
{
hash = XxHash.CalculateHash(ptr, len);
}
}
Benchmark.Dump();
Console.WriteLine(hash);
}
public unsafe void xxHashIncrementalBenchmark2()
{
var rng = new Random(42);
var len = 8;
var mem = BufferPool.Retain(len);
var ptr = (byte *)mem.Pointer;
rng.NextBytes(mem.GetSpan());
var count = 100_000_000;
var sum = 0UL;
uint digest = 0;
using (Benchmark.Run("xxHash", count))
{
for (int i = 0; i < count; i++)
{
digest = XxHash.CalculateHash(ptr, len, digest);
}
}
Benchmark.Dump();
Console.WriteLine(digest);
}
