A Look Inside Apple’s Custom GPU for the iPhone

Article: A Look Inside Apple’s Custom GPU for the iPhone
By: dmcq (dmcq.delete@this.fano.co.uk), October 25, 2016 10:07 am
Room: Moderated Discussions
Doug S (foo.delete@this.bar.bar) on October 25, 2016 8:59 am wrote:
> Great article, David! I had been wondering why Apple had been hiring GPU engineers for
> years but weren't doing a custom GPU. Turned out they were, we just didn't know it.
>
> Interesting that they seem to be taking a slower approach towards a full custom GPU than the
> 'big bang' they did with the A6 on the CPU side. Do you think this might have something to do
> with patents? i.e., so long as they are co-designing with Imagination, they can effectively
> lean on Imagination's patent agreements, whereas if they cut them out and went full custom they'd
> need a large GPU patent warchest to obtain the necessary cross licensing agreements.

I'm pretty certain it just depends on where the user interface is. For Graphics it is a higher level interface than it is for the CPU, they don't need compatibility of the graphics hardware between different versions of the iPhone whereas it was a big thing for the CPU - though nowhere near as bad as it would be for the Apple Macs.
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TopicPosted ByDate
A Look Inside Apple’s Custom GPU for the iPhoneDavid Kanter10/25/16 05:35 AM
  A Look Inside Apple’s Custom GPU for the iPhoneRicardo B10/25/16 07:25 AM
    A Look Inside Apple’s Custom GPU for the iPhoneExophase10/25/16 07:08 PM
      A Look Inside Apple’s Custom GPU for the iPhoneExophase10/25/16 10:39 PM
  A Look Inside Apple’s Custom GPU for the iPhoneDoug S10/25/16 07:59 AM
    A Look Inside Apple’s Custom GPU for the iPhonedmcq10/25/16 10:07 AM
      A Look Inside Apple’s Custom GPU for the iPhoneMaynard Handley10/25/16 04:28 PM
    A Look Inside Apple’s Custom GPU for the iPhoneGroo10/30/16 08:28 PM
  A Look Inside Apple’s Custom GPU for the iPhoneGabriele Svelto10/25/16 12:58 PM
  A Look Inside Apple’s Custom GPU for the iPhoneAndreas10/26/16 01:48 AM
    A Look Inside Apple’s Custom GPU for the iPhoneGabriele Svelto10/26/16 02:28 AM
    A Look Inside Apple’s Custom GPU for the iPhoneDoug S10/26/16 07:06 AM
  A couple of typosJim Trent10/26/16 06:15 AM
    A couple of typosDavid Kanter10/26/16 12:22 PM
  A9 has non-DX tessellation pipelineanon10/26/16 07:23 AM
  A Look Inside Apple’s Custom GPU for the iPhoneEd10/27/16 03:52 AM
    A Look Inside Apple’s Custom GPU for the iPhoneanon10/27/16 05:58 AM
    A Look Inside Apple’s Custom GPU for the iPhoneDoug S10/27/16 10:44 PM
  A Look Inside Apple’s Custom GPU for the iPhonePeter McGuinness11/04/16 10:48 AM
    A Look Inside Apple’s Custom GPU for the iPhoneSalvatore De Dominicis11/05/16 02:20 AM
    A Look Inside Apple’s Custom GPU for the iPhoneNickK01/23/17 02:36 PM
      A Look Inside Apple’s Custom GPU for the iPhoneBrett01/28/17 02:33 PM
        A Look Inside Apple’s Custom GPU for the iPhoneIreland01/28/17 03:02 PM
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