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End of year 2024 repo health check
#110456 opened Dec 5, 2024 by ericstj
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Issues list

Weird performance numbers for Generics with class constraint and .net9 regression area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI tenet-performance Performance related issue untriaged New issue has not been triaged by the area owner
#110831 opened Dec 19, 2024 by Qibbi
Inlining perf regression .net8 to .net9 needs-area-label An area label is needed to ensure this gets routed to the appropriate area owners tenet-performance Performance related issue
#110453 by marklam was closed Dec 5, 2024
Move GetRefAny (with FCThrow) to managed area-VM-coreclr community-contribution Indicates that the PR has been added by a community member
#110344 by am11 was merged Dec 4, 2024 Loading…
[API Proposal]: Introduce LeftJoin LINQ operator api-approved API was approved in API review, it can be implemented area-System.Linq in-pr There is an active PR which will close this issue when it is merged
#110292 opened Dec 1, 2024 by roji 10.0.0
Concrete type information does not propagate through struct fields area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI tenet-performance Performance related issue
#110290 opened Dec 1, 2024 by neon-sunset Future
JIT_CountProfile: Avoid BSR instruction for low counts area-VM-coreclr community-contribution Indicates that the PR has been added by a community member
#110258 by sfiruch was merged Dec 4, 2024 Loading…
Performance regression on .NET 9.0 when creating AVX constants inside loops via System.Numerics.Vector area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI tenet-performance Performance related issue
#110125 by Chicken-Bones was closed Nov 25, 2024
Unexpected performance difference with strange hack area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI tenet-performance Performance related issue
#109884 opened Nov 16, 2024 by Lanayx 10.0.0
SSE/AVX byte multiplication could be improved area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI tenet-performance Performance related issue
#109775 by IJzerbaard was closed Nov 19, 2024
[Perf][mono] System.Memory.Span regressions on 11/6/2024, affecting MonoJIT/MonoAOT arch-arm64 arch-x64 area-System.Memory os-linux Linux OS (any supported distro) runtime-mono specific to the Mono runtime untriaged New issue has not been triaged by the area owner
#109914 opened Nov 12, 2024 by performanceautofiler bot
[Perf] Windows/x64: 4 Regressions in System.Collections.CreateAddAndRemove<String> arch-x64 area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI os-windows runtime-coreclr specific to the CoreCLR runtime tenet-performance Performance related issue tenet-performance-benchmarks Issue from performance benchmark
#109734 opened Nov 12, 2024 by performanceautofiler bot 10.0.0
Suboptimal code and possible loss of precision in Stopwatch.GetElapsedTime(long, long) area-System.Runtime tenet-performance Performance related issue untriaged New issue has not been triaged by the area owner
#109685 opened Nov 10, 2024 by MineCake147E
Compiler bug in release mode area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI needs-author-action An issue or pull request that requires more info or actions from the author.
#109606 by CarnifexOptimus was closed Nov 20, 2024 8.0.x
jit: try rep stosb instead of simd area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
#109570 by EgorBo was closed Nov 9, 2024 Draft
[Perf][mono] Mono vector-related regressions: 183 Regressions on 10/29/2024 12:20:22 AM arch-wasm WebAssembly architecture arch-x64 area-Codegen-Intrinsics-mono os-linux Linux OS (any supported distro) runtime-mono specific to the Mono runtime untriaged New issue has not been triaged by the area owner
#109925 opened Nov 5, 2024 by performanceautofiler bot
JIT: Fix BCE regression area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
#109466 by EgorBo was merged Nov 20, 2024 Loading…
arm64: load 64bit constants from data section instead of 4 movz/k instructions area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI
#109428 by EgorBo was closed Nov 1, 2024 Draft
ProTip! Exclude everything labeled bug with -label:bug.