LinqBenchmarks.Where00ForX has regressed on x86 #67968
Description
LinqBenchmarks.Where00ForX has regressed on x86:
Looking at the commit diff, there is nothing suspicious. @AndyAyersMS is there any chance it could be caused by #66618?
Repro:
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_monthly.py net7.0-preview2 net7.0-preview3 --filter LinqBenchmarks.Where00ForX --architecture x86LinqBenchmarks.Where00ForX
| Result | Base | Diff | Ratio | Operating System | Bit | Processor Name |
|---|---|---|---|---|---|---|
| Same | 794329808.00 | 794899693.00 | 1.00 | alpine 3.12 | Arm64 | Unknown processor |
| Faster | 324113900.00 | 259144600.00 | 1.25 | debian 11 | Arm64 | Unknown processor |
| Same | 781263343.50 | 777613883.00 | 1.00 | ubuntu 18.04 | Arm64 | Unknown processor |
| Faster | 322527300.00 | 263559000.00 | 1.22 | ubuntu 20.04 | Arm64 | Unknown processor |
| Faster | 300441600.00 | 230009600.00 | 1.31 | Windows 10 | Arm64 | Microsoft SQ1 3.0 GHz |
| Faster | 298900600.00 | 234569400.00 | 1.27 | Windows 11 | Arm64 | Microsoft SQ1 3.0 GHz |
| Slower | 171170300.00 | 251297800.00 | 0.68 | Windows 11 | Arm64 | Unknown processor |
| Same | 200142187.50 | 180847416.00 | 1.11 | macOS Monterey 12.3 | Arm64 | Apple M1 Max |
| Same | 171841500.00 | 161705425.00 | 1.06 | Windows 10 | X64 | Intel Xeon Platinum 8272CL CPU 2.60GHz |
| Faster | 161237800.00 | 142624500.00 | 1.13 | Windows 10 | X64 | Intel Xeon CPU E5-1650 v4 3.60GHz |
| Faster | 137784500.00 | 122582150.00 | 1.12 | Windows 11 | X64 | AMD Ryzen Threadripper PRO 3945WX 12-Cores |
| Faster | 105536800.00 | 89634450.00 | 1.18 | Windows 11 | X64 | AMD Ryzen 9 5900X |
| Same | 229482000.00 | 255298300.00 | 0.90 | Windows 11 | X64 | Intel Core i5-4300U CPU 1.90GHz (Haswell) |
| Slower | 185270700.00 | 322588350.00 | 0.57 | Windows 11 | X64 | Unknown processor |
| Faster | 124797850.00 | 105598550.00 | 1.18 | Windows 11 | X64 | Intel Core i7-8700 CPU 3.20GHz (Coffee Lake) |
| Same | 144703400.00 | 131366900.00 | 1.10 | Windows 11 | X64 | Intel Core i9-9900T CPU 2.10GHz |
| Same | 170150150.00 | 179918000.00 | 0.95 | alpine 3.13 | X64 | Intel Core i7-7700 CPU 3.60GHz (Kaby Lake) |
| Slower | 401932143.00 | 468423204.00 | 0.86 | centos 7 | X64 | Intel Xeon CPU E5530 2.40GHz |
| Slower | 164042650.00 | 194109200.00 | 0.85 | debian 11 | X64 | Intel Core i7-7700 CPU 3.60GHz (Kaby Lake) |
| Same | 177471100.00 | 183275700.00 | 0.97 | opensuse-leap 15.3 | X64 | Intel Core i7-7700 CPU 3.60GHz (Kaby Lake) |
| Same | 234700149.50 | 217929681.00 | 1.08 | pop 20.04 | X64 | Intel Core i7-6600U CPU 2.60GHz (Skylake) |
| Same | 171085614.00 | 184165107.00 | 0.93 | ubuntu 18.04 | X64 | Intel Xeon CPU E5-1650 v4 3.60GHz |
| Same | 318531056.00 | 308674736.00 | 1.03 | ubuntu 18.04 | X64 | Intel Core i7-2720QM CPU 2.20GHz (Sandy Bridge) |
| Same | 293873600.00 | 287123200.00 | 1.02 | ubuntu 20.04 | X64 | Intel Core i7-8650U CPU 1.90GHz (Kaby Lake R) |
| Same | 297494100.00 | 273657300.00 | 1.09 | Windows 10 | Arm | Microsoft SQ1 3.0 GHz |
| Faster | 1059013097.00 | 883856253.00 | 1.20 | ubuntu 18.04 | Arm | ARMv7 Processor rev 3 (v7l) |
| Slower | 178325400.00 | 274649700.00 | 0.65 | Windows 10 | X86 | Intel Xeon CPU E5-1650 v4 3.60GHz |
| Slower | 141388800.00 | 163779700.00 | 0.86 | Windows 11 | X86 | AMD Ryzen Threadripper PRO 3945WX 12-Cores |
| Slower | 329635250.00 | 726786000.00 | 0.45 | Windows 11 | X86 | Intel Core i7-10510U CPU 1.80GHz |
| Slower | 139309700.00 | 236116000.00 | 0.59 | Windows 7 SP1 | X86 | Intel Core i7-7700 CPU 3.60GHz (Kaby Lake) |
| Same | 288815214.50 | 318472008.00 | 0.91 | macOS Monterey 12.2.1 | X64 | Intel Core i7-5557U CPU 3.10GHz (Broadwell) |
| Same | 286576674.50 | 268661508.00 | 1.07 | macOS Monterey 12.3.1 | X64 | Intel Core i7-4870HQ CPU 2.50GHz (Haswell) |