C#可以使用融合的乘法加法吗? [英] Can C# make use of fused multiply-add?

问题描述

C#编译器/抖动是否在所使用的硬件上可用融合乘加运算?如果可以，我是否需要设置任何特定的编译器设置才能利用它?

Does the C# compiler / jitter make use of fused multiply-add operations if they are available on the hardware being used? If it does, are there any particular compiler settings I need to set in order to take advantage of it?

推荐答案

最后，.NET Core 3.0提供了 github问题中说明了不自动使用此操作的原理.

At last, .NET Core 3.0 provides System.Math.FusedMultiplyAdd. The rationale for not using this operation automatically is explained in a github issue.

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