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Tag: performance

40 posts · Page 4 of 4

2026-04-14 csharp csharp-14 dotnet-10

C# 14 user-defined compound assignment operators: in-place += without the extra allocation

C# 14 lets you overload +=, -=, *=, and friends as void instance methods that mutate the receiver in place, cutting allocations for large value holders like BigInteger-style buffers and tensors.

2026-04-14 csharp dotnet sql-server

How Dapper's Default nvarchar Parameters Silently Kill Your SQL Server Indexes

C# strings sent through Dapper default to nvarchar(4000), forcing SQL Server into implicit conversions and full index scans. Here's how to fix it with DbType.AnsiString.

2026-04-13 dotnet-11 csharp performance

.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.

2026-04-13 rider jetbrains dotnet

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.

2026-04-08 dotnet aspnetcore dotnet-11

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%.

2026-04-06 dotnet-11 csharp async

.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.

2026-02-08 dotnet csharp performance

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.

2026-01-21 dotnet dotnet-10 dotnet-9

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.

2025-04-06 dotnet dotnet-10 performance

.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.

2025-01-06 csharp dotnet dotnet-9

.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.