Directml will add 'machine learning' to directx 12 and arrives in 2019
Table of contents:
- DirectML to Offer Technology Similar to Nvidia's DLSS
- Comparison of DirectML resizing a 1080p image to 4K (left) versus the traditional method (right)
Microsoft has released an update to the upcoming DirectML API, an addition to the current DirectX 12 API that will act similarly to DXR (DirectX Raytracing). Instead of adding support for Ray Tracing, DirectML is designed to add support for inference in games and other applications, allowing gamers to utilize the AI capabilities of modern graphics cards.
DirectML to Offer Technology Similar to Nvidia's DLSS
In the short term, AI is likely to be a more sought-after feature than Ray Tracing, allowing developers to use the powers of 'Machine Learning' (ML) to bring designing games with even more realistic graphics.
Nvidia's DLSS technology is one example of this, as it uses 'Deep Learning' to create a super-sampling technique that can be used on GeForce RTX graphics cards to deliver a high-resolution gaming experience and, at the same time, a significant increase in system performance. In the past, Microsoft has shown DirectML accomplishing similar feats, which means there may soon be a multi-vendor alternative to Nvidia's DLSS technology.
DirectML is compatible with all DirectX 12 hardware, just like DXR, and just like DXR you can also take advantage of the hardware acceleration capabilities of modern graphics architectures. In this way, this will allow developers to access hardware features such as Nvidia's Tensor cores, just as DXR allows developers to use Turing's RT cores.
Comparison of DirectML resizing a 1080p image to 4K (left) versus the traditional method (right)
Microsoft has already shown the potential of 'machine learning' in video games, with the following image showing what happens when machine learning is used to magnify an image up to four times its original resolution (basically 1080p to 4K) for generate a sharper final image and reduced aliasing. The image above is a comparison between Super Sampling ML and bilinear upsampling.
With DirectML coming in the spring, it may be added when the next Windows 10 update is on the street in 2019.
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