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Async ValueTask Pooling in .NET 5

The async/await feature in C# has revolutionized how developers targeting .NET write asynchronous code. Sprinkle some async and await around, change some return types to be tasks, and badda bing badda boom, you've got an asynchronous implementation. In theory. In practice, obviously I've exaggerated the ease with which a codebase can be made ...


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Regex Performance Improvements in .NET 5

For .NET 5, we’ve invested in some significant improvements to the Regex engine. On many of the expressions we’ve tried, these changes routinely result in throughput improvements of 3-6x, and in some cases, much more. In this post, I’ll walk through some of the myriad of changes that have gone into System.Text.RegularExpressions in .NET 5.


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ConfigureAwait FAQ

.NET added async/await to the languages and libraries over seven years ago. In that time, it's caught on like wildfire, not only across the .NET ecosystem, but also being replicated in a myriad of other languages and frameworks. It's also seen a ton of improvements in .NET, in terms of additional language constructs that utilize asynchrony, ...


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Performance Improvements in .NET Core 2.1

Back before .NET Core 2.0 shipped, I wrote a post highlighting various performance improvements in .NET Core 2.0 when compared with .NET Core 1.1 and the .NET Framework. As .NET Core 2.1 is in its final stages of being released, I thought it would be a good time to have some fun and take a tour through some of the myriad of performance ...