This benchmark has been jumping up and down throughout the whole net7.0 cycle but looking at the 6.0 data point seems like it gradually regressed.
Link to the chart:
https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu%2018.04/System.Buffers.Tests.ReadOnlySequenceTests(Char).IterateGetPositionSingleSegment.html
Screenshot:
Benchmark results from 7.0-RC2 vs 6.0:
Details
System.Buffers.Tests.ReadOnlySequenceTests.IterateGetPositionArray
| Result | Ratio | Alloc Delta | Operating System | Bit | Processor Name | Modality |
|---|
| Slower | 0.77 | +0 | ubuntu 18.04 | Arm64 | Unknown processor | |
| Noise | - | +0 | Windows 11 | Arm64 | Unknown processor | |
| Slower | 0.86 | +0 | Windows 11 | Arm64 | Microsoft SQ1 3.0 GHz | |
| Slower | 0.90 | +0 | Windows 11 | Arm64 | Microsoft SQ1 3.0 GHz | |
| Same | 0.92 | +0 | macOS Monterey 12.6 | Arm64 | Apple M1 | |
| Same | 0.94 | +0 | macOS Monterey 12.6 | Arm64 | Apple M1 Max | |
| Slower | 0.67 | +0 | Windows 10 | X64 | Intel Core i7-8650U CPU 1.90GHz (Kaby Lake R) | bimodal |
| Noise | - | +0 | Windows 11 | X64 | AMD Ryzen Threadripper PRO 3945WX 12-Cores | |
| Same | 0.98 | +0 | Windows 11 | X64 | AMD Ryzen 9 5900X | |
| Same | 0.95 | +0 | Windows 11 | X64 | AMD Ryzen 9 7950X | |
| Slower | 0.84 | +0 | Windows 11 | X64 | Intel Core i7-8700 CPU 3.20GHz (Coffee Lake) | |
| Slower | 0.73 | +0 | debian 11 | X64 | Intel Core i7-8700 CPU 3.20GHz (Coffee Lake) | |
| Same | 1.07 | +0 | ubuntu 18.04 | X64 | AMD Ryzen 9 5900X | |
| Slower | 0.84 | +0 | ubuntu 18.04 | X64 | Intel Xeon CPU E5-1650 v4 3.60GHz | |
| Same | 0.88 | +0 | ubuntu 20.04 | X64 | AMD Ryzen 9 5900X | several? |
| Same | 0.94 | +0 | ubuntu 20.04 | X64 | Intel Core i7-8650U CPU 1.90GHz (Kaby Lake R) | |
| Same | 0.93 | +0 | ubuntu 20.04 | X64 | Intel Core i7-8700 CPU 3.20GHz (Coffee Lake) | |
| Slower | 0.87 | +0 | macOS Big Sur 11.7 | X64 | Intel Core i5-4278U CPU 2.60GHz (Haswell) | |
| Slower | 0.85 | +0 | macOS Monterey 12.6 | X64 | Intel Core i7-4870HQ CPU 2.50GHz (Haswell) | |
This benchmark has been jumping up and down throughout the whole net7.0 cycle but looking at the 6.0 data point seems like it gradually regressed.
Link to the chart:
https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu%2018.04/System.Buffers.Tests.ReadOnlySequenceTests(Char).IterateGetPositionSingleSegment.html
Screenshot:
Benchmark results from 7.0-RC2 vs 6.0:
Details
System.Buffers.Tests.ReadOnlySequenceTests.IterateGetPositionArray