Resources:
- .NET 10 Preview 1 Announcement
- Array Interface Method Devirtualization Overview
- De-abstraction in .NET 10
To run the benchmarks:
dotnet run -c Release -f net10.0 --runtimes net8.0 net10.0
Benchmark results:
BenchmarkDotNet v0.14.0, Windows 11 (10.0.26100.3194) Intel Xeon W-2123 CPU 3.60GHz, 1 CPU, 8 logical and 4 physical cores .NET SDK 10.0.100-preview.1.25120.13 [Host] : .NET 10.0.0 (10.0.25.8005), X64 RyuJIT AVX-512F+CD+BW+DQ+VL DefaultJob : .NET 10.0.0 (10.0.25.8005), X64 RyuJIT AVX-512F+CD+BW+DQ+VL
| Method | Mean | Error | StdDev | Median | Ratio | RatioSD | Gen0 | Allocated | Alloc Ratio |
|---|---|---|---|---|---|---|---|---|---|
| RunIntSumWithFor | 506.6 ns | 12.54 ns | 36.98 ns | 505.3 ns | 1.01 | 0.10 | - | - | NA |
| RunIntSumWithForeach | 508.2 ns | 17.00 ns | 50.13 ns | 513.7 ns | 1.01 | 0.12 | - | - | NA |
| RunIntSumWithFor_List | 897.2 ns | 34.80 ns | 102.61 ns | 903.4 ns | 1.78 | 0.24 | - | - | NA |
| RunIntSumWithForeach_List | 945.3 ns | 46.32 ns | 136.58 ns | 964.3 ns | 1.88 | 0.30 | - | - | NA |
| RunIntSumWithForeachIEnumerable_List | 3,502.5 ns | 128.68 ns | 379.41 ns | 3,604.6 ns | 6.95 | 0.91 | 0.0076 | 40 B | NA |
| RunIntSumWithForeachIEnumerable_Array | 2,176.4 ns | 36.78 ns | 32.60 ns | 2,177.5 ns | 4.32 | 0.33 | 0.0038 | 32 B | NA |
| RunIntSumWithForeach_ArrayCast | 840.9 ns | 18.52 ns | 54.61 ns | 841.9 ns | 1.67 | 0.16 | - | - | NA |