Native Collection library in c#
目标是实现一个常用集合的0gc高性能非托管库
已实现Stack Queue HashSet SortedSet list map multimap.
注: 本项目容器代码为基于.Net标准库容器的移植 ,api进行了一定的简化.
下表是Multimap对比托管版本实现的性能测试 各项操作性能均快于托管版本一倍以上
BenchmarkDotNet v0.13.7, Windows 10 (10.0.19043.928/21H1/May2021Update)
Intel Core i7-9700 CPU 3.00GHz, 1 CPU, 8 logical and 8 physical cores
.NET SDK 7.0.306
[Host] : .NET 7.0.9 (7.0.923.32018), X64 RyuJIT AVX2
DefaultJob : .NET 7.0.9 (7.0.923.32018), X64 RyuJIT AVX2
| Method | Categories | KeyCount | Mean | Error | StdDev | Ratio | RatioSD |
|---|---|---|---|---|---|---|---|
| NativeAddAndRemove | AddAndRemove | 10000 | 237,981.43 ns | 410.339 ns | 383.831 ns | 0.44 | 0.00 |
| ManagedAddAndRemove | AddAndRemove | 10000 | 546,403.44 ns | 1,182.838 ns | 1,048.555 ns | 1.00 | 0.00 |
| NativeAddAndRemove | AddAndRemove | 100000 | 295,918.36 ns | 317.246 ns | 264.914 ns | 0.43 | 0.00 |
| ManagedAddAndRemove | AddAndRemove | 100000 | 687,445.54 ns | 953.501 ns | 845.254 ns | 1.00 | 0.00 |
| NativeAddAndRemove | AddAndRemove | 1000000 | 373,694.08 ns | 931.678 ns | 825.909 ns | 0.40 | 0.00 |
| ManagedAddAndRemove | AddAndRemove | 1000000 | 945,009.41 ns | 1,869.211 ns | 1,657.007 ns | 1.00 | 0.00 |
| NativeEnumerateAll | EnumerateAll | 10000 | 167,194.49 ns | 253.321 ns | 224.562 ns | 0.86 | 0.00 |
| ManagedEnumerateAll | EnumerateAll | 10000 | 194,746.90 ns | 1,213.956 ns | 1,135.535 ns | 1.00 | 0.00 |
| NativeEnumerateAll | EnumerateAll | 100000 | 3,032,551.02 ns | 67,905.637 ns | 199,155.478 ns | 1.10 | 0.08 |
| ManagedEnumerateAll | EnumerateAll | 100000 | 2,778,049.31 ns | 55,453.630 ns | 154,582.555 ns | 1.00 | 0.00 |
| NativeEnumerateAll | EnumerateAll | 1000000 | 36,404,652.20 ns | 171,751.129 ns | 143,419.971 ns | 1.09 | 0.01 |
| ManagedEnumerateAll | EnumerateAll | 1000000 | 33,500,559.56 ns | 185,616.319 ns | 173,625.620 ns | 1.00 | 0.00 |
| NativeEnumerateAndRemoveFirst10 | EnumerateFirst10 | 10000 | 26.25 ns | 0.032 ns | 0.027 ns | 0.36 | 0.00 |
| ManagedEnumerateAndRemoveFirst10 | EnumerateFirst10 | 10000 | 73.63 ns | 0.388 ns | 0.344 ns | 1.00 | 0.00 |
| NativeEnumerateAndRemoveFirst10 | EnumerateFirst10 | 100000 | 25.40 ns | 0.081 ns | 0.071 ns | 0.33 | 0.00 |
| ManagedEnumerateAndRemoveFirst10 | EnumerateFirst10 | 100000 | 76.37 ns | 0.116 ns | 0.097 ns | 1.00 | 0.00 |
| NativeEnumerateAndRemoveFirst10 | EnumerateFirst10 | 1000000 | 25.63 ns | 0.038 ns | 0.035 ns | 0.32 | 0.00 |
| ManagedEnumerateAndRemoveFirst10 | EnumerateFirst10 | 1000000 | 79.89 ns | 0.439 ns | 0.390 ns | 1.00 | 0.00 |
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