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Fix SIMD article: correct loop logic, grammar, and style #52331

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Fix SIMD article: correct loop logic, grammar, and style #52331

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Copilot Mar 17, 2026
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Fix SIMD article: update metadata, grammar, and heading capitalization
Copilot Mar 17, 2026
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7 changes: 4 additions & 3 deletions docs/standard/simd.md
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---
title: SIMD-accelerated types in .NET
description: This article describes SIMD-enable types in .NET and demonstrates how to use hardware SIMD operations in C# and .NET.
description: This article describes SIMD-enabled types in .NET and demonstrates how to use hardware SIMD operations in C# and .NET.
author: FIVIL
ms.author: tagoo
ms.date: 04/28/2020
ms.date: 03/17/2026
ai-usage: ai-assisted
---

# Use SIMD-accelerated numeric types
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Before executing custom SIMD algorithms, it's possible to check if the host machine supports SIMD by using <xref:System.Numerics.Vector.IsHardwareAccelerated?displayProperty=nameWithType>, which returns a <xref:System.Boolean>. This doesn't guarantee that SIMD-acceleration is enabled for a specific type, but is an indicator that it's supported by some types.

## Simple Vectors
## Simple vectors

The most primitive SIMD-accelerated types in .NET are <xref:System.Numerics.Vector2>, <xref:System.Numerics.Vector3>, and <xref:System.Numerics.Vector4> types, which represent vectors with 2, 3, and 4 <xref:System.Single> values. The example below uses <xref:System.Numerics.Vector2> to add two vectors.

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