Microsoft makes multi-GPU support easier for DX12 devs

[HEXUS]

"Basic multi-GPU support," will be provided via a new abstraction layer.

Read more.

[QuorTek]

Wonder how that would impact... would not mind having a cheap AMD card alongside with a Nvidia card, if there is any positive gain to this.

[kalniel]

Wonder how that would impact... would not mind having a cheap AMD card alongside with a Nvidia card, if there is any positive gain to this.

I don't know if this has any impact on how nicely the vendor drivers play with each other - ie MS might say you can have both cards in the same system, but nVidia will probably still detect the AMD drivers and disable their own as a result as they do currently.

[scaryjim]

I think the more interesting question is how intelligently it is able to use GPUs of different performance, and whether it will be able to leverage Intel/AMD IGPs for compute and/or graphics rendering, or whether the additional overheads will make such combinations pointless.

Many questions, few answers...

[DevDrake]

Great idea MS!

Now it will be available for DX12 and Vulcan, so nVidia will have to think over its way

I hope this will happen and succeeds, so my old GF670 will work as a support for a new card.

[Primey0]

Great idea MS!

Now it will be available for DX12 and Vulcan, so nVidia will have to think over its way

I hope this will happen and succeeds, so my old GF670 will work as a support for a new card.

It's not for Vulkan.

[edzieba]

Isn't this just the already announced Implicit Multi-Adapter (which basically maintains the status quo of existing SLI/crossfire, with all it's tradeoffs and limitations like AFR)?

[kalniel]

Isn't this just the already announced Implicit Multi-Adapter (which basically maintains the status quo of existing SLI/crossfire, with all it's tradeoffs and limitations like AFR)?

DX12 should provide SFR and pooled memory across multiple GPUs, but not sure if that's the same thing as the quick basic support mentioned in the article.

[DanceswithUnix]

Let's take a lightweight stripped down API, and then start adding layers to it to make things easier???

Just add it to DX11 if people want easy.