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posted by martyb on Monday July 13 2020, @03:09AM   Printer-friendly
from the Apple-of-my-eye dept.

Apple has built its own Mac graphics processors:

Like iPhones and iPads, Apple Silicon Macs will use an Apple-designed GPU – something that makes complete sense when you consider this is how current iOS devices work. But it could be a reason for pause by some high-end users during the transition period from Intel-based hardware.

[...] You see, while Intel Macs contain GPU’s from Intel, Nvidia and AMD, Apple Silicon Macs will use what the company seems fond of calling “Apple family” GPUs. These use a rendering system called Tile Based Deferred Rendering (TBDR), which iOS devices already use.

It works differently from the Immediate Mode rendering system supported in Intel Macs: While the latter immediately render imaging data to device memory, the former makes more use of the GPU by sorting out each element first before submitting it to device memory.

You can find out more here.

The effect is that TBDR rendering delivers lower latency, higher performance, lower power requirements and can achieve higher degrees of bandwidth. The A11 chip and Metal 2 really consolidated this technique.

It’s important to note that the GPU in a Mac with Apple silicon is a member of both GPU families, and supports both Mac family and Apple family feature sets. In other words, using Apple Silicon and Rosetta, you should still be able to use software designed for Intel-based Macs.

[...] How will Apple exploit this? Will it ditch fans in order to make thinner Macs? Will it exploit the opportunity to explore a new design language for its PCs? At what point will an iPhone become all the Mac you ever need, given your choice of user interface and access to a larger screen?


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  • (Score: 0) by Anonymous Coward on Monday July 13 2020, @09:44PM

    by Anonymous Coward on Monday July 13 2020, @09:44PM (#1020735)

    Now that it is out of patent protection and they think whatever other techniques they are using can be kept from Nvidia/AMD/Etc discovering in time to sue them over it. Or that they have more money than god and can simply buy the company or patent warchest needed if push comes to shove.

    That said, a lot of these articles recently have HUGELY FUCKING RETARDED technical declarations from people who obviously have no knowledge of tech history that is less than 25 years old. Hell I knew more about computer history that was old in the 1990s than these kids are acting like now. Although this does seem part for the course of what the tech industry and tech reporting is declining into (and that is saying a lot given how bad some of it was in the 90s and 2000s.)