But hang on a second, what is ray-tracing to begin with? Fast enough to show a moving image on screen at playable frame rates. They have the job of doing the math of ray-tracing as quickly as possible. Nvidia uses them to clean up ray traced images and also to intelligently upsample images rendered at lower resolutions using a technology known as DLSS (Deep Learning Super Sampling).įinally, we get to the RT cores this post is about. These cores can be used to accelerate machine learning software in any realm that uses tensor math, but they also play a role in graphics. These calculations are fundamental to machine learning and artificial intelligence, particularly for neural networks. We’ve written about Tensor cores before, but in short they are built to do a sort of math known as tensor math. These are the processors that work out how to shade each pixel you see on screen and pull off all the other effects you see in modern traditional graphics. There are thousands of them working in parallel on modern GPUs. They are small, relatively simple processors. Well, as “general” as modern GPU cores can be.
These RT (ray tracing) cores have pushed what’s possible in real time rendering to new heights, but what are RT cores really and how do they work?Īn Nvidia RTX GPU, which is the product series in question here, has three main types of processor. The latest GPUs from Nvidia have special hardware inside that accelerates ray-traced graphics, allowing them to be rendered in real time.
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