[Perf] Windows/x64: 8 Regressions on 4/4/2024 3:31:21 AM

[performanceautofiler[bot]]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	5c3bfeb8477b34a15ef851faa54cae1968ab4237
Compare	223e9e71954433544106d5c90e06b5c8113e51d9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Compression.ZLib

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.IO.Compression.ZLib.Decompress(level%3a%20Optimal%2c%20file%3a%20%22alice29.txt%22).html>) ADX - Test Multi Config Graph	593.11 μs	635.47 μs	1.07	0.03	True
[Compress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.IO.Compression.ZLib.Compress(level%3a%20Fastest%2c%20file%3a%20%22TestDocument.pdf%22).html>) ADX - Test Multi Config Graph	2.82 ms	3.02 ms	1.07	0.20	False
[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.IO.Compression.ZLib.Decompress(level%3a%20Fastest%2c%20file%3a%20%22alice29.txt%22).html>) ADX - Test Multi Config Graph	663.45 μs	715.77 μs	1.08	0.03	True

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Compression.ZLib*'

### System.IO.Compression.ZLib.Decompress(level: Optimal, file: "alice29.txt") #### ETL Files #### Histogram #### JIT Disasms ### System.IO.Compression.ZLib.Compress(level: Fastest, file: "TestDocument.pdf") #### ETL Files #### Histogram #### JIT Disasms ### System.IO.Compression.ZLib.Decompress(level: Fastest, file: "alice29.txt") #### ETL Files #### Histogram #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	5c3bfeb8477b34a15ef851faa54cae1968ab4237
Compare	223e9e71954433544106d5c90e06b5c8113e51d9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Compression.Gzip

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.IO.Compression.Gzip.Decompress(level%3a%20Optimal%2c%20file%3a%20%22alice29.txt%22).html>) ADX - Test Multi Config Graph	543.79 μs	587.21 μs	1.08	0.03	True
[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.IO.Compression.Gzip.Decompress(level%3a%20Fastest%2c%20file%3a%20%22alice29.txt%22).html>) ADX - Test Multi Config Graph	615.55 μs	669.37 μs	1.09	0.03	True

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Compression.Gzip*'

### System.IO.Compression.Gzip.Decompress(level: Optimal, file: "alice29.txt") #### ETL Files #### Histogram #### JIT Disasms ### System.IO.Compression.Gzip.Decompress(level: Fastest, file: "alice29.txt") #### ETL Files #### Histogram #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

---

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	5c3bfeb8477b34a15ef851faa54cae1968ab4237
Compare	223e9e71954433544106d5c90e06b5c8113e51d9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Compression.Deflate

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.IO.Compression.Deflate.Decompress(level%3a%20Fastest%2c%20file%3a%20%22alice29.txt%22).html>) ADX - Test Multi Config Graph	614.00 μs	666.56 μs	1.09	0.03	True
[Compress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.IO.Compression.Deflate.Compress(level%3a%20Fastest%2c%20file%3a%20%22TestDocument.pdf%22).html>) ADX - Test Multi Config Graph	2.78 ms	2.98 ms	1.07	0.14	False
[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.IO.Compression.Deflate.Decompress(level%3a%20Optimal%2c%20file%3a%20%22alice29.txt%22).html>) ADX - Test Multi Config Graph	540.48 μs	582.69 μs	1.08	0.03	True

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Compression.Deflate*'

### System.IO.Compression.Deflate.Decompress(level: Fastest, file: "alice29.txt") #### ETL Files #### Histogram #### JIT Disasms ### System.IO.Compression.Deflate.Compress(level: Fastest, file: "TestDocument.pdf") #### ETL Files #### Histogram #### JIT Disasms ### System.IO.Compression.Deflate.Decompress(level: Optimal, file: "alice29.txt") #### ETL Files #### Histogram #### JIT Disasms ### Docs [Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md) [Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

[LoopedBard3]

Nothing obvious from the compare here: https://github.com/dotnet/runtime/compare/44b1e87884c4d1c40054a4e699200a60cd70176d...5c4e2a301ec1dd8ef75a3ba98e5be1ff2cea0130, doing look again.

[LoopedBard3]

@AndyAyersMS