dotnet/performance

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This repo contains benchmarks used for testing the performance of all .NET Runtimes

Stars: 773
Forks: 301
Open beginner issues: 0
Indexed issues: 212
Avg merge: 6d 9h
Merged PRs (30d): 15

Dominant language: F#
License: MIT
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

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212 open issues indexed

Remove FileStream construction cost out of unrelated FileStream benchmarks Open

good first issue help wanted

dotnet/performance#841 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add AMD uProf CoreFX profiling docs Open

documentation

dotnet/performance#851 · 2 comments · 1 reaction · 2 assignees · Indexed Sep 15, 2026
Dataflow needs performance tests Open

dotnet/performance#950 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Add benchmarks for thread pool throughput Open

help wanted

dotnet/performance#999 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Implement Range type benchmarks Open

help wanted

dotnet/performance#1002 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Test WeakReference<T> finalization performance. Open

dotnet/performance#1179 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add Verbose/Debug option to make_memory_load in GC Benchmarking Infra Open

dotnet/performance#1225 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Refresh and pare down benchmarks game benchmarks Open

dotnet/performance#1452 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
System.Numerics.Tests.Perf_BigInteger.Ctor_ByteArray benchmark crashes when profiling ETW Open

dotnet/performance#1485 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CompareExchange_long benchmark sometimes reports very long execution time on x86 Open

dotnet/performance#1497 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
py . diff is broken for GC benchmarks. Open

dotnet/performance#1507 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Improve granularity of Perf.Utf8Encoding.cs tests Open

dotnet/performance#1512 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
[wasm] Cirtuclar Dependency Error running benchmarks using wasm with out a custom runtime pack Open

dotnet/performance#1518 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Rename Project Gutenberg data files in test assets folder Open

dotnet/performance#1525 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Fixup documentation for using locally built .NET to use targetingpacks Open

dotnet/performance#1544 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Remove INTERNAL_DI from DI tests Open

dotnet/performance#1583 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Add perf test for Regex.Replace when no replacements are performed Open

dotnet/performance#1601 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Memory Randomization Open

dotnet/performance#1602 · 6 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
GCPerfSim fails with an Overflow Arithmetic Exception Open

dotnet/performance#1616 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for small objects in GCPerfSim Open

dotnet/performance#1635 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Razor build server (process 53113) failed to shut down: The shutdown command failed Open

dotnet/performance#1664 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enable working set measurement Open

lab-infrastructure

dotnet/performance#1679 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enable reference set measurement Open

lab-infrastructure

dotnet/performance#1680 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Enable WPF Open

dotnet/performance#1682 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Auto Filling Infrastructure Open

lab-infrastructure

dotnet/performance#1683 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Auto-filing infrastructure:Testing framework Major refactoring for better unit testing Open

dotnet/performance#1711 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Allowing the total number of objects to vary in GCPerfSim Open

dotnet/performance#1712 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Consider adding a crossgen_ci.py script Open

help wanted

dotnet/performance#1766 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add benchmarks for the new RandomAccess type methods Open

dotnet/performance#1840 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Fully labeled regression dataset Open

dotnet/performance#1842 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Is IterationTime=250ms enough? Open

dotnet/performance#1844 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
BenchmarkDotNet crash with `--join` Open

dotnet/performance#1855 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
BDN: Failed to build in Parallel, switching to sequential build Open

dotnet/performance#1856 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Unable to get results of GC benchmarks Open

dotnet/performance#1866 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Monitoring auto-filing issues quality Open

dotnet/performance#1883 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Pass Custom Build Parameters Open

dotnet/performance#1887 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Remove Directory.Build.props file from docs directory Open

dotnet/performance#1909 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Remove ServiceProviderMode in DI Perf tests Open

dotnet/performance#1916 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
GC benchmarks won't run when setting COMPlus_GCCpuGroup Open

dotnet/performance#1923 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
All Linux microbenchmark runs failed with "ModuleNotFoundError: No module named 'helix'" at the end of the run Open

dotnet/performance#1928 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Update the pools to newer VS for our Windows Perf CI Open

dotnet/performance#1931 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Prepare for Auto-auto-filing workstream Open

dotnet/performance#1933 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Rearchitect AllTestHistory generation to take less time Open

dotnet/performance#1935 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Crossgen2 runs on Arm64 fail in ETW merging Open

impact test coverage

dotnet/performance#1950 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot use Large Pages when running GC benchmarks Open

dotnet/performance#1960 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Fix up python in Azure Batch Open

dotnet/performance#1973 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Integrate auto-filing into alerting and monitoring system Open

Scenario

dotnet/performance#1975 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Build run completeness checker Open

Scenario

dotnet/performance#1976 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Design transport type and table for job completion Open

dotnet/performance#1977 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Add pipeline stages to performance runs Open

help wanted

dotnet/performance#1978 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

dotnet/performance

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