System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiString regressed on 32 bit platforms #66840
Description
System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiString(StringLengthInChars: 32) has regressed 15-25% on 32 bit platforms.
Repro:
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 net7.0 --filter System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiString --architecture x86Details
| Result | Base | Diff | Ratio | Operating System | Bit |
|---|---|---|---|---|---|
| Same | 12.85 | 14.88 | 0.86 | Windows 11 | X64 |
| Same | 9.67 | 10.33 | 0.94 | Windows 11 | X64 |
| Faster | 103.76 | 23.35 | 4.44 | Windows 11 | X64 |
| Same | 13.05 | 14.25 | 0.92 | Windows 10 | X64 |
| Same | 16.41 | 16.58 | 0.99 | Windows 11 | X64 |
| Same | 20.63 | 20.80 | 0.99 | Windows 11 | X64 |
| Same | 9.78 | 10.06 | 0.97 | ubuntu 18.04 | X64 |
| Same | 9.60 | 10.15 | 0.95 | ubuntu 20.04 | X64 |
| Same | 16.58 | 17.15 | 0.97 | ubuntu 18.04 | X64 |
| Same | 23.54 | 24.92 | 0.94 | ubuntu 18.04 | X64 |
| Same | 19.76 | 21.63 | 0.91 | pop 20.04 | X64 |
| Same | 13.86 | 14.45 | 0.96 | alpine 3.13 | X64 |
| Same | 14.08 | 14.53 | 0.97 | debian 11 | X64 |
| Same | 14.64 | 13.55 | 1.08 | macOS Monterey 12.2.1 | Arm64 |
| Same | 24.86 | 23.80 | 1.04 | Windows 10 | Arm64 |
| Same | 23.57 | 24.48 | 0.96 | Windows 11 | Arm64 |
| Slower | 20.62 | 25.47 | 0.81 | Windows 10 | X86 |
| Slower | 18.79 | 23.28 | 0.81 | Windows 10 | X86 |
| Slower | 15.79 | 20.93 | 0.75 | Windows 10 | X86 |
| Slower | 45.60 | 53.93 | 0.85 | Windows 10 | Arm |
| Same | 22.41 | 22.01 | 1.02 | macOS Big Sur 11.6.3 | X64 |
| Same | 18.05 | 18.33 | 0.99 | macOS Monterey 12.2.1 | X64 |
| Same | 19.46 | 19.72 | 0.99 | macOS Monterey 12.2.1 | X64 |