In this post, I will introduce and demonstrate enhancements to collections in .NET 9 and C# 13 for low-allocation code paths. Specifically, I will demonstrate using a custom IAlternateEqualityComparer and the AlternateLookup on a Dictionary used for efficiently tracking IP address information, keyed on the bytes of IP addresses. My use case, the basis for […]
Tag: performance
.NET Performance Optimisations Don’t Have to be Complex
Readers who have followed me for some time will know that I have developed a bit of a passion for performance improvements and avoiding allocations in critical code paths. Previous blog posts have touched on examples of using Span<T> as one mechanism to prevent allocations when parsing data and using ArrayPool to avoid array allocations […]
Using HttpCompletionOption to Improve HttpClient Performance in .NET
In this blog post, I want to get back to an area I genuinely enjoy, exploring the use of HttpClient within your .NET applications. I’ll explain how you can optimise the performance of HttpClient when handling data such as JSON payloads on the HttpResponseMessage. Making HTTP Requests Using HttpClient By default, in the majority of […]
High-Performance Logging in .NET Core
In this post I will explore and highlight an approach to logging which you can apply in high-performance, high load applications to reduce the overhead of logging. A Refresher of Logging in .NET Core Logging is a built in feature of ASP.NET Core and .NET Core Work Services. The feature is provided as part of […]
Analysing the Large Object Heap in JetBrains dotMemory Writing High-Performance C# and .NET Code: Part 7
In my last post, which is part of my ‘Writing High-Performance C# and .NET Code‘ series, we looked at how we can begin interpreting some of the data from a dotMemory profiling session. In this post, we’ll continue the analysis by investigating why we saw that the Large Object Heap (LOH) size grows for about […]