Given the power and performance of current iPad Pros, wouldn’t it be possible, or better, for Apple to implement this “Macification of iPadOS” on the iPad Pro as opposed to coming out with a separate line of portable machines? You write “Virtually all Mac software would have to be rewritten to support ARM CPUs”. Many such projects are plagued by the same issues when it comes to macOS: Lack of time and money to invest in the special needs of the OS. Magic. Apple at WWDC 2020 announced plans to transition away from Intel chips to Macs built with its own Apple Silicon chips starting in late 2020. 5. Is any registered developer entitled to ask for a unit, I guess pay for it and then return it at the end of the testing cycle? Find out inside PCMag's comprehensive tech and computer-related encyclopedia. I agree that developer support is needed in order to make a platform survive. Howard. • ARM CPUs offer no virtualization of Intel CISC based CPU operating systems. So I’m not part of the “the sky is falling” crowd when it comes to the rumour, but a gradual move to ARM would be one more nail in the coffin of open source cross-platform software. I actually checked that up in Mactracker, and was surprised at the date that it gave. If you take into consideration the technique that was used. The obvious problems inherent in such a move say it all. The original rumours of ARM (A-Series) RISC CPU Macs started in 2013. General CommentI know people have placed the actual meaning of the song, but to me 'Angel' will always relate to self injury.I'm fairly certain that's not why she wrote it, but that's what it will always mean to me. Adding more cache and more CPUs becomes a situation of limiting returns. You said: “In theory, Apple could provide a complete virtualisation layer which let users run most Intel Mac apps, and could even install and run Windows. Consider that many Intel CPU specific APIs are proprietary and are not going to ever run on ARM. The iOS version already exists and it is excellent in comparison to the Mac app which is an Electron version. Thunderbolt 4 supports 40Gb/s data transfer and can be used with three downstream ports to share bandwidth. Really helps for someone not as technically involved as y’all. Apple Silicon Macs include within Big Sur Rosetta 2, which translates Intel code into ARM code. A big glaring issue is Performance, meaning will an ARM based desktop or laptop computer have the CPU and GPU performance necessary for current Mac users to be happy? It would be very silly to have a standard AppleScript application run in Rosetta just because it was compiled on Intel. No one wants an iOS laptop. Small correction, or so I think: the MacBook was discontinued only last year, with the most recent revision being from three years ago, not four. Seriously, though, for me t’ll be a new Mac with a fresh system installation anyway. Post was not sent - check your email addresses! What does MAC ARM actually mean? Developers need to build versions of their apps which run natively on both Intel and ARM models, so-called ‘fat’ apps or ‘universal binaries’, just as has been done in the past. So many questions… makes me almost as giddy as I am for the transition itself. . And people like me who use MacPorts and Homebrew a lot, will have to recompile every CLI, of course. I agree. Funnily enough, Xcode has been cross-compiling exactly those languages since 2006 if not earlier. Calls to the operating system were done natively. Fun to speculate. On the other side, there are tons of open source software that already support ARM and they work very well. Otherwise, what’s the point? The other nails are 32-bit deprecation and the final removal of OpenGL/OpenCL (which – to be fair – is long overdue). It’s not going to happen. At any rate, offering cross-platform programs, or installing a Linux CLI to run on macOS doesn’t seem to be a simple task already today in our Intel-only world; case in point: I’m currently having problems with this CLI: … so if anyone can help with that, I’d be very happy. Thank you. The simple reason is that there are far more open source developers and maintainers who don’t own Macs (for financial or ideological reasons) who are willing to “support” macOS as long as they don’t need to implement too many changes to make stuff work. Howard. It is amazing what a Blackberry Pi can achieve without a heat dissipator. The devil really is in the detail – which we’ll find out over the next few months with the betas. It may not be super-speedy, but…, I thought that was a breach of licence? After the successful BBC Micro computer, Acorn Computers considered how to move on from the relatively simple MOS … PCMag Digital Group. ARM-powered Macs are unlikely, for the foreseeable future, to run iPadOS, and frankly I don’t think anyone would want them to. However, there are still many apps which use bespoke development systems, and third-party compilers which don’t support ARM yet. But ARM-based Macs have a lot to offer. Have you written a Catalyst app yet? I read this very long set of comments and am surprised no one has brought up QEMU as an option for virtualization. Apple would be knocking hundreds of applications off the Mac platform, never to return. The good thing is that there are thousands of apps that if available on Mac people would prefer to use them rather than web versions or Electron apps. Thanks to Ivan for pointing out my error, which I have now corrected, over when the MacBook was discontinued. Macs have changed processor architectures twice now: from Motorola 68K to PowerPC in 1994, and from PowerPC to Intel x86 in 2005-06. I am curious to see if companies migrate their development to iPadOS as it gives them a single platform that will work in macOS and open up their products to iOS clients they did not have before. But seeing as Mac is now, IMHO, inextricably bound to Intel technology, I view this theoretical move to ARM RISC CPUs to be a folly on all fronts. Change ), You are commenting using your Google account. One solution is to compile the OS into the native architecture, and only emulate the parts of the software that are not system calls using something like QUEMU. Apple would be turning its back on compatibility with all the predominant operating systems, those that run on Intel. Everything that Apple has shown so far demonstrates more consistent human interfaces, which should be a huge step forward, but no equivalence between iPadOS and macOS in most of the advanced features of Big Sur. Whether it will is another matter”. Thank you. The Macintosh is moving to Arm, or what Apple is calling "Apple Silicon. Or will Microsoft make ARM-Windows publicly available just so macOS users can run it in Parallels & Co. in virtualization instead of emulation? Or offer both? Or there might be a special reference Macbook in the offering. Software like Photoshop relied heavily on them on Mac. What does arm in arm expression mean? Fast forward to two years ago, I came back and picked up a modest iMac; the overall power, expandability with Thunderbolt 3 (eGPU/SSD), versatility (bootcamp/VMWare/Parallels), and cost brought me back. The first models were the MacBook Air and MacBook Pro. Sweet. To be fair the move to ARM is not the single issue, it is – as I mentioned – just another little cut among a lot of other little cuts. It’s important to Apple to develop & hold hardware & software in-house, but for the common end user, the OS will define the experience. Catalyst apps in macOS run on Intel. What would that be? Howard. Howard. Definitions by the largest Idiom Dictionary. The only real wildcard here is Windows. I feel for developers as the transition to Catalina was not the easiest for 32-bit apps and many 3rd party hardware devices used in the music/video industry. Raymond Hill is fed up with Apple and will not be rewriting his extension. How does the Corel acquisition of Parallels factor in? It will virtualize ARM on x86 and vice versa. Xcode can cross-compile those to efficient ARM processor code, as it already does when building apps for iOS and iPadOS. A cursory glance at Wikipedia’s page might be worthwhile. Sounds like a good reason not to buy a Mac. That’s five years according to my arithmetic. We know that there’s a new (now not so new anymore) coreOS group that (I assume) manages the system’s core components, but might also work on marrying certain core aspects of macOS and iOS. Howard. Without wanting to dismiss QEMU, there’s a lot more needed, including high-performance support for TB3 devices. 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