.NET 11 Adds Native Zstandard Compression to System.IO.Compression
.NET 11 Preview 1 ships ZstandardStream, ZstandardEncoder, and ZstandardDecoder in System.IO.Compression, giving you fast, inbox zstd support with no third-party packages.
Tag: performance
48 posts · Page 5 of 5
Rider 2026.1 Ships an ASM Viewer for JIT, ReadyToRun, and NativeAOT Output
Rider 2026.1 adds a .NET Disassembler plugin that lets you inspect machine code generated by the JIT, ReadyToRun, and NativeAOT compilers without leaving the IDE.
Kestrel Drops Exceptions from Its HTTP/1.1 Parser in .NET 11
Kestrel's HTTP/1.1 request parser in .NET 11 replaces BadHttpRequestException with a result struct, cutting malformed-request overhead by up to 40%.
.NET 11 Runtime Async Replaces State Machines with Cleaner Stack Traces
Runtime Async in .NET 11 moves async/await handling from compiler-generated state machines into the runtime itself, producing readable stack traces, correct breakpoints, and fewer heap allocations.
Polars.NET: a Rust DataFrame engine for .NET 10 that leans on LibraryImport
A new Polars.NET project is trending after a Feb 6, 2026 community post. The headline is simple: a .NET-friendly DataFrame API backed by Rust Polars, with a stable C ABI and LibraryImport-based interop to keep overhead low.
Perfetto + dotnet-trace: a practical profiling loop for .NET 9/.NET 10
A practical profiling loop for .NET 9 and .NET 10: capture traces with dotnet-trace, visualize them in Perfetto, and iterate on CPU, GC, and thread pool issues.
.NET 10: Array Enumeration Performance Improvements (JIT Array De-Abstraction)
In .NET 10, the JIT compiler reduces the overhead of iterating arrays through interfaces. See benchmarks comparing .NET 9 vs .NET 10 with foreach, IEnumerable, and conditional escape analysis.
.NET Performance: ToList vs ToArray
.NET 9 significantly improves ToArray performance using InlineArray, making it faster and more memory-efficient than ToList. See benchmarks comparing .NET 8 vs .NET 9.