Catalyst apps in macOS run on Intel. I never wanted to compromise on Intel CISC CPUs instead. I also suspect that, when built in Big Sur, AppleScript apps should be Universal, but it’s worth checking on that in the Big Sur release. Attempting to compare Rosetta with virtualization is unrealistic. I don’t think your dates on Rosetta are correct: it was released in 2006, and removed from Lion in 2011. In short it’s a lot of extra work for a minor fraction of your cross-platform user base, especially for niche or prosumer Apps. 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. Not Surface Pro but the higher end Surface Book. This is because – apart from in some of the deeper parts of firmware, drivers and macOS itself – very few developers now use processor-specific assembler code, but write in high-level compiled languages like Objective-C and Swift. Apple will be able to add the capabilities of extra hardware - … © 1996-2020 Ziff Davis, LLC. If your app is 100% based on official frameworks, then ARM compatibility is probably just one click away in Xcode. We’ve reached a limit in circuit density. 13/ This is “trivial” but the key is it assumes the APIs invoked on MacOS/i86 are available on Mac ARM. Even Catalyst doesn’t cater for it. ARM processors not only consume less power, but as a result they also generate less heat, properties which make them ideal for use in laptops. But for those who don’t understand this potential situation, here is the usual list of problems, in no particular order. Projects that use OpenGL usually have neither the people nor the time to write a Metal layer just for macOS (instead they opt to migrate to Vulcan which supports Linux and Windows and macOS support is simply dropped). And people like me who use MacPorts and Homebrew a lot, will have to recompile every CLI, of course. On the other side, there are tons of open source software that already support ARM and they work very well. In computing, especially digital signal processing, the multiply–accumulate operation is a common step that computes the product of two numbers and adds that product to an accumulator.The hardware unit that performs the operation is known as a multiplier–accumulator (MAC, or MAC unit); the operation itself is also often called a MAC or a MAC operation. Howard. Without the Finder, iPadOS remains fundamentally different. Why not? However an “iPadOS on steroids is not something bad per se”. It will run on just about any host OS/hardware combination and even supports libvirt and KVM modes as well. That’ll be fun! Sep 23, 2020 by Charlie Demerjian 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. Current Macs are based on Intel's x86 chip architecture. 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. Tim Cook has stated that the transition of the Mac platform to ARM will take two years, which I take to mean that each island in the Mac ocean will have an ARM … Furthermore, neither macOS nor iPadOS currently support the human interface for such a hybrid. ARMv7 & v8 are certainly more similar to each other than x86-64 is to ARM, but in both OS environments apps are mostly written and compiled using Xcode (or some other cross-platform IDE and compiler) and call recent OS APIs (or other libraries that provide abstraction from hardware features). I think we need to assume that this architecture switch will mean saying goodbye to Intel and AMD there too. This enables any app built for Intel Macs (with some minor limitations which shouldn’t affect AppleScript apps) to run on them. Thank you. * I agree that an ARM Mac is something that requires lots of planning, but the iOS of Mac already started with T2 architecture. I’d need to have deep discussions with those who believe this could happen before I could envision such a thing. Linux of course already runs very nicely on ARM and doesn’t suffer any of the problems which you seem to find with the platform. You refer to things being “Intel bound” without identifying anything specific, apart from Windows (see above). CPU usage can double if an application runs on a Retina screen vs. a non-retina one – just one symptom of many due to how hard it is to compete with Apple’s own functionality. The customer experience is always # 1 Air and MacBook Pro awaiting ARM not many care... An important measure of nutritional status emulation are orders of magnitude better from Apple ) RISC CPU Macs in... • as such, the only big question is if arm mac meaning ’ s mutual t representative the! 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