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Apple: No Macintosh Forks. But the iPad...

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Re: Apple: No Macintosh Forks. But the iPad...

#51

Earlier quoted context omitted.

Perhaps like the "Math co-processor" in the 386 days? Imagine a future generation T-series chip with the neural cores that the A-series chips have. Accessible using the existing frameworks that you are already using. Or adding GPU cores to the MacBook Pro lineup as a replacement for the AMD GPUs that they have now. And while they are doing that, they can release a Smart Keyboard for a future iPad Pro that has a track…

386? Where's the love for Intel's 8087? https://en.m.wikipedia.org/wiki/Intel_8087

Everyone with any sense was running Weitek back in those days.

Re: Apple: No Macintosh Forks. But the iPad...

#53
post #47

ARM on the Macbook Pro would put a lot of software shops (I'm guessing tech and design firms are the main purchasers of Macs) using Docker in an awkward spot with their containers not running on dev machines.

Do these shops have to use the exact same container on their dev machine as elsewhere? Can they not build an ARM flavor of their container? Same Dockerfile but with an ARM base image instead of an x86_64 base image?

Generally no, but it's been convenient to have the architectures match up. It minimizes surprises. Different architectures also make people ask if they should switch to PCs.

Re: Apple: No Macintosh Forks. But the iPad...

#54

> Today, I’ll contend that moving the macOs to an Axx processor is a fantasy, it’s too complicated and will never happen, at least no time soon. Mac users are wedded to x86 processors for the foreseeable future. No wonder Be Inc went belly up. Apple had switched before from architecture.

Be Inc went belly up because of MS anti-competitive practices. Vendors would get a discount if they shipped only windows computers

Re: Apple: No Macintosh Forks. But the iPad...

#55
post #4

I don’t think the argument holds very well. Apple has made three processor architectural changes including one on the current OS. “Too complicated” doesn’t really align with the execution history Apple has. The fat binary support Apple has is a huge tool and the ability to add instructions and optimizations to their chips to help with x86 emulation is a big deal. I don’t know if Apple will ever actually do this, but…

I think the argument against building custom cpu for Mac Pro is pretty good, as this puts them in a situation that is different from past architecture changes.

Re: Apple: No Macintosh Forks. But the iPad...

#56
post #52

Such a bad analysis. Switching CPU architecture has been done before in the macos ecosystem. And it has been successful.

Both times were out of necessity though.

Arguably, the necessity here would be energy consumption, thermal performance and potentially speed?

Re: Apple: No Macintosh Forks. But the iPad...

#57
post #7

I see a lot of Surface Pro in the iPad[1]. That isn't a bad thing, it is great to have two design studios trying to out do each other. If you agree that these devices should work better on ARM chips rather than x86 chips, then the iPad has an advantage with an already ARM based ecosystem. Of course the Surface R/T tried that too, and stumbled. But I wonder if Apple saw that as a hint of where Microsoft might go. I fi…

This trope about jobs needs to die.

He made fun of the idea of putting a color screen on the iPod and a year or so later presented the iPod color.

Of course apple was gonna put a stylus on the iPad, with or without Jobs.

Apple might be content with asking users to buy third party hardware to draw on Mac, but they aren’t stupid enough to say you need to buy a Citrix to draw on your iPad.

Re: Apple: No Macintosh Forks. But the iPad...

#58
He is right for right now, but the long game is the axx chip in most apple products. The MacPro won’t have one, if it’s still around then. ipad pros will get a dock much like today’s dell usb type c docks. you will connect up to your screen while at your desk. do what you need to do with the keyboard and mouse. Even have a vdi app for access to some corp windows only apps. Then unplug it for meetings with note taking etc. It sounds like an interesting future.

Re: Apple: No Macintosh Forks. But the iPad...

#59
post #34
post #11

For some context: the author of this article, Jean-Louis Gassée, was a former director at Apple, founded Be, Inc. and was chairman at PalmSource for a while. His background may help or hurt his viewpoint, depending on how you see things. I will say that I disagree with his points. And I'll also point out that the Mac ARM transition is happening right before our eyes with the T2 chip , which replaces a bunch of system…

I can't help but feel T2 chip is just another cynical ploy to gradually kill off third party repairs by baking software functions into proprietary hardware that only the manufacturer have access to. It may be a sound security decision, but I have doubts whether it's worth it for the end user. It also goes against a wider industrial trend of moving from ARM to RISCV and other architectures. On the other hand, do all t…

> It also goes against a wider industrial trend of moving from ARM to RISCV and other architectures.

Is this really already an industry trend? It feels more like some parties experimenting with the platform, not necessarily with intentions to move to it wholesale at any point in the future. But I'm probably missing stuff, since I'm not following that space well.

Re: Apple: No Macintosh Forks. But the iPad...

#60
Every analysis I've read, including this one, assumes that Apple would start at the bottom rather than the top, as they have with every other CPU transition in the history of the company.

Is there something especially difficult about making a high-core-count CPU? The A-series is already crushing single-threaded performance and they're competitive with Intel desktop CPUs for some applications. Once you have a high-performance CPU with multi-core capabilities, is there any reason you can't just copy/paste cores?

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