DotRecastNetSim/test/DotRecast.Benchmark/Benchmarks/PriorityQueueBenchmarks.cs

278 lines
8.7 KiB
C#

using System;
using System.Collections.Generic;
using BenchmarkDotNet.Attributes;
using DotRecast.Core.Collections;
namespace DotRecast.Benchmark.Benchmarks;
/*
// * Summary *
BenchmarkDotNet v0.13.12, Windows 11 (10.0.22631.3958/23H2/2023Update/SunValley3)
AMD Ryzen 5 3600, 1 CPU, 12 logical and 6 physical cores
.NET SDK 8.0.101
[Host] : .NET 8.0.1 (8.0.123.58001), X64 RyuJIT AVX2
DefaultJob : .NET 8.0.1 (8.0.123.58001), X64 RyuJIT AVX2
| Method | Count | Mean | Error | StdDev |
|------------------------------- |------ |--------------------:|-----------------:|-----------------:|
| Enqueue_RcSortedQueue | 10 | 87.49 ns | 0.774 ns | 0.724 ns |
| Enqueue_RcBinaryMinHeap | 10 | 185.23 ns | 1.730 ns | 1.533 ns |
| Enqueue_PriorityQueue | 10 | 202.95 ns | 1.611 ns | 1.428 ns |
| DequeueAll_RcSortedQueue | 10 | 460.97 ns | 2.169 ns | 2.029 ns |
| DequeueAll_RcBinaryMinHeap | 10 | 573.17 ns | 2.542 ns | 2.378 ns |
| DequeueAll_PriorityQueue | 10 | 500.68 ns | 2.364 ns | 2.212 ns |
| EnqueueDequeue_RcSortedQueue | 10 | 525.43 ns | 1.842 ns | 1.632 ns |
| EnqueueDequeue_RcBinaryMinHeap | 10 | 455.65 ns | 2.410 ns | 2.254 ns |
| EnqueueDequeue_PriorityQueue | 10 | 381.82 ns | 6.036 ns | 5.646 ns |
| Enqueue_RcSortedQueue | 100 | 730.57 ns | 5.229 ns | 4.635 ns |
| Enqueue_RcBinaryMinHeap | 100 | 3,012.15 ns | 10.875 ns | 9.640 ns |
| Enqueue_PriorityQueue | 100 | 2,306.80 ns | 26.694 ns | 23.663 ns |
| DequeueAll_RcSortedQueue | 100 | 6,241.67 ns | 31.856 ns | 29.798 ns |
| DequeueAll_RcBinaryMinHeap | 100 | 13,692.29 ns | 38.829 ns | 34.421 ns |
| DequeueAll_PriorityQueue | 100 | 12,482.93 ns | 93.955 ns | 87.886 ns |
| EnqueueDequeue_RcSortedQueue | 100 | 64,002.79 ns | 316.081 ns | 280.197 ns |
| EnqueueDequeue_RcBinaryMinHeap | 100 | 8,655.79 ns | 23.703 ns | 22.172 ns |
| EnqueueDequeue_PriorityQueue | 100 | 7,806.20 ns | 105.801 ns | 98.967 ns |
| Enqueue_RcSortedQueue | 1000 | 7,566.23 ns | 149.010 ns | 218.418 ns |
| Enqueue_RcBinaryMinHeap | 1000 | 36,277.43 ns | 96.710 ns | 90.462 ns |
| Enqueue_PriorityQueue | 1000 | 28,564.19 ns | 186.866 ns | 174.795 ns |
| DequeueAll_RcSortedQueue | 1000 | 108,574.26 ns | 745.459 ns | 697.303 ns |
| DequeueAll_RcBinaryMinHeap | 1000 | 210,346.25 ns | 332.478 ns | 311.000 ns |
| DequeueAll_PriorityQueue | 1000 | 189,536.32 ns | 1,180.045 ns | 1,046.079 ns |
| EnqueueDequeue_RcSortedQueue | 1000 | 8,957,965.42 ns | 45,715.567 ns | 42,762.370 ns |
| EnqueueDequeue_RcBinaryMinHeap | 1000 | 131,615.02 ns | 394.216 ns | 368.750 ns |
| EnqueueDequeue_PriorityQueue | 1000 | 114,799.89 ns | 1,269.621 ns | 1,060.191 ns |
| Enqueue_RcSortedQueue | 10000 | 77,143.76 ns | 996.372 ns | 932.007 ns |
| Enqueue_RcBinaryMinHeap | 10000 | 417,620.57 ns | 853.343 ns | 756.466 ns |
| Enqueue_PriorityQueue | 10000 | 278,791.68 ns | 1,566.093 ns | 1,464.924 ns |
| DequeueAll_RcSortedQueue | 10000 | 1,435,539.99 ns | 9,329.910 ns | 8,727.204 ns |
| DequeueAll_RcBinaryMinHeap | 10000 | 2,956,366.90 ns | 6,344.030 ns | 5,934.210 ns |
| DequeueAll_PriorityQueue | 10000 | 2,642,186.54 ns | 9,482.374 ns | 8,869.819 ns |
| EnqueueDequeue_RcSortedQueue | 10000 | 1,318,277,320.00 ns | 6,725,701.525 ns | 6,291,225.379 ns |
| EnqueueDequeue_RcBinaryMinHeap | 10000 | 1,712,170.68 ns | 5,674.513 ns | 5,307.943 ns |
| EnqueueDequeue_PriorityQueue | 10000 | 1,466,910.77 ns | 4,394.686 ns | 4,110.792 ns |
*/
public class PriorityQueueBenchmarks
{
[Params(10, 100, 1000, 10000)] public int Count;
private RcSortedQueue<Node> _sq;
private RcBinaryMinHeap<Node> _bmHeap;
private PriorityQueue<Node, Node> _pq;
private float[] _priority;
class Node
{
public int id;
public float total;
}
[GlobalSetup]
public void Setup()
{
static int Comp(Node x, Node y)
{
var v = x.total.CompareTo(y.total);
if (v != 0)
return v;
return x.id.CompareTo(y.id);
}
_sq = new(Comp);
_bmHeap = new(Count, Comp);
_pq = new(Count, Comparer<Node>.Create(Comp));
_priority = new float[Count];
for (int i = 0; i < Count; i++)
{
_priority[i] = (float)Random.Shared.NextDouble() * 100f;
}
}
[Benchmark]
public void Enqueue_RcSortedQueue()
{
_sq.Clear();
for (int i = 0; i < Count; i++)
{
_sq.Enqueue(new Node
{
id = i,
total = _priority[i],
});
}
}
[Benchmark]
public void Enqueue_RcBinaryMinHeap()
{
_bmHeap.Clear();
for (int i = 0; i < Count; i++)
{
_bmHeap.Push(new Node
{
id = i,
total = _priority[i],
});
}
}
[Benchmark]
public void Enqueue_PriorityQueue()
{
_pq.Clear();
for (int i = 0; i < Count; i++)
{
var node = new Node
{
id = i,
total = _priority[i],
};
_pq.Enqueue(node, node);
}
}
[Benchmark]
public void DequeueAll_RcSortedQueue()
{
_sq.Clear();
for (int i = 0; i < Count; i++)
{
_sq.Enqueue(new Node
{
id = i,
total = _priority[i],
});
}
while (_sq.Count() > 0)
{
_sq.Dequeue();
}
}
[Benchmark]
public void DequeueAll_RcBinaryMinHeap()
{
_bmHeap.Clear();
for (int i = 0; i < Count; i++)
{
_bmHeap.Push(new Node
{
id = i,
total = _priority[i],
});
}
while (_bmHeap.Count > 0)
{
_bmHeap.Pop();
}
}
[Benchmark]
public void DequeueAll_PriorityQueue()
{
_pq.Clear();
for (int i = 0; i < Count; i++)
{
var node = new Node
{
id = i,
total = _priority[i],
};
_pq.Enqueue(node, node);
}
while (_pq.Count > 0)
{
_pq.Dequeue();
}
}
[Benchmark]
public void EnqueueDequeue_RcSortedQueue()
{
_sq.Clear();
int half = Count / 2;
for (int i = 0; i < half; i++)
{
_sq.Enqueue(new Node
{
id = i,
total = _priority[i],
});
}
for (int i = half; i < Count; i++)
{
_sq.Enqueue(new Node
{
id = i,
total = _priority[i],
});
_sq.Dequeue();
}
}
[Benchmark]
public void EnqueueDequeue_RcBinaryMinHeap()
{
_bmHeap.Clear();
int half = Count / 2;
for (int i = 0; i < half; i++)
{
_bmHeap.Push(new Node
{
id = i,
total = _priority[i],
});
}
for (int i = half; i < Count; i++)
{
_bmHeap.Push(new Node
{
id = i,
total = _priority[i],
});
_bmHeap.Pop();
}
}
[Benchmark]
public void EnqueueDequeue_PriorityQueue()
{
_pq.Clear();
int half = Count / 2;
for (int i = 0; i < half; i++)
{
var node = new Node
{
id = i,
total = _priority[i],
};
_pq.Enqueue(node, node);
}
for (int i = half; i < Count; i++)
{
var node = new Node
{
id = i,
total = _priority[i],
};
_pq.Enqueue(node, node);
_pq.Dequeue();
}
}
}