如何使用GPU进行数学 [英] How to use GPU for mathematics

问题描述

我期待在利用GPU进行运算公式一些，但无法弄清楚如何从C＃访问它。我知道，XNA和DirectX框架，允许您使用着色器才能访问的GPU，但我将如何去访问它没有这些框架？

I am looking at utilising the GPU for crunching some equations but cannot figure out how I can access it from C#. I know that the XNA and DirectX frameworks allow you to use shaders in order to access the GPU, but how would I go about accessing it without these frameworks?

推荐答案

我没有从C＃做了，但基本上你使用CUDA（假设你在这里使用的是nVidia显卡，当然），SDK和CUDA工具包把它关闭。

I haven't done it from C#, but basically you use the CUDA (assuming you're using an nVidia card here, of course) SDK and CUDA toolkit to pull it off.

NVIDIA已经移植（或书面？）一个BLAS实现对CUDA的设备上使用。他们已经提供了大量的如何做数字运算的例子，虽然你必须弄清楚你打算如何从C＃把它关闭。我敢打赌，你将不得不写非托管C或C ++和链路与它的一些东西。

nVidia has ported (or written?) a BLAS implementation for use on CUDA-capable devices. They've provided plenty of examples for how to do number crunching, although you'll have to figure out how you're going to pull it off from C#. My bet is, you're going to have to write some stuff in un-managed C or C++ and link with it.

如果你不挂机上使用C＃，看看 Theano 。这可能是您的需求有点大材小用，因为他们正在建设做机器学习从Python中的GPU架构，但是......它的工作原理，而且运作非常良好。

If you're not hung-up on using C#, take a look at Theano. It might be a bit overkill for your needs, since they're building a framework for doing machine learning on GPUs from Python, but ... it works, and works very well.

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