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Hardware Intrinsics in .NET Core

September 3, 2019 Sep 3, 2019 09/3/19
Tanner Gooding [MSFT]
Several years ago, we decided that it was time to support SIMD code in .NET. We introduced the System.Numerics namespace with Vector2, Vector3, Vector4, Vector<T>, and related types. These types expose a general-purpose API for creating, accessing, and operating on them using hardware vector instructions (when available). They also ...

Try the new System.Text.Json APIs

June 13, 2019 Jun 13, 2019 06/13/19
Immo Landwerth
For .NET Core 3.0, we're shipping a brand new namespace called System.Text.Json with support for a reader/writer, a document object model (DOM), and a serializer. In this blog post, I'm telling you why we built it, how it works, and how you can try it. We also have a video: Getting the new JSON library The future of ...

Announcing .NET Core 2.2

December 4, 2018 Dec 4, 2018 12/4/18
Rich Lander [MSFT]
We’re excited to announce the release of .NET Core 2.2. It includes diagnostic improvements to the runtime, support for ARM32 for Windows and Azure Active Directory for SQL Client. The biggest improvements in this release are in ASP.NET Core. ASP.NET Core 2.2 and Entity Framework Core 2.2 are also releasing today. You can download and ...

Announcing .NET Framework 4.8 Early Access build 3694

November 28, 2018 Nov 28, 2018 11/28/18
namrata karnam
We are happy to let you know that .NET Framework 4.8 is now feature complete and we have an early access build to share with you all! We will continue to stabilize this release and take more fixes over the coming months, and we would greatly appreciate it if you could help us ensure this is a high-quality release by trying it out and providing...

Understanding the Whys, Whats, and Whens of ValueTask

November 7, 2018 Nov 7, 2018 11/7/18
Stephen Toub - MSFT
The .NET Framework 4 saw the introduction of the System.Threading.Tasks namespace, and with it the Task class. This type and the derived Task<TResult> have long since become a staple of .NET programming, key aspects of the asynchronous programming model introduced with C# 5 and its async / await keywords. In this post, I'll ...

Troubleshooting ASP.NET Core Performance Problems

May 23, 2018 May 23, 2018 05/23/18
Jeffrey Fritz
This is a guest post by Mike Rousos I recently had an opportunity to help a developer with an ASP.NET Core app that was functionally correct but slow when under a heavy user load. We found a few different factors contributing to the app's slowdown while investigating, but the majority of the issues were some variation of blocking threads that...

Improve website performance by optimizing images

November 28, 2017 Nov 28, 2017 11/28/17
Mads Kristensen
We all want our web applications to load as fast as possible to give the best possible experience to the users. One of the steps to achieve that is to make sure the images we use are as optimized as possible. If we can reduce the file size of the images then we can significantly reduce the weight of the website. This is important for various ...

RyuJIT Just-in-Time Compiler Optimization Enhancements

October 16, 2017 Oct 16, 2017 10/16/17
Joseph Tremoulet [MSFT]
I'd like to tell you about some of the recent changes we've made as part of our ongoing work to extend the optimization capabilities of RyuJIT, the MSIL-to-native code generator used by .NET Core and .NET Framework. I hope it will make for an interesting read, and offer some insight into the sorts of optimization opportunities we have our ...
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