Mac Os Catalina Gpu Switch App

21-04-2021 by



OS X Mavericks (10.9) or newer; 2010-or-newer dual-GPU MacBook Pro (15', 16', and 17' models) what the menu bar icons mean: i — you're using the integrated GPU. D — you're using the higher-powered discrete GPU. Features: Growl or Notification Center notifications when the GPU changes.

  1. If you have a machine with one of these GPUs installed, I'd advise upgrading it if possible (can be done in 2010/2011 iMacs, iMac11,x-12,x), disabling the dedicated GPU if using a 2011 15' or 17' MacBook Pro (MacBookPro8,2/8,3, instructions to do so can be found here), or not installing Catalina. Running Catalina without full graphics.
  2. How to Give System Permissions for Apps on MacOS Catalina. Starting with macOS 10.14 Mojave, Apple has introduced a new security feature that ensures third-party applications work safely with your data.
  3. AMD/ATI Radeon HD 5xxx and 6xxx series graphics acceleration: Currently, it is not possible to achieve full graphics acceleration under Catalina on any machines that use a Radeon HD 5xxx or 6xxx series GPU. If you have a machine with one of these GPUs installed, I'd advise upgrading it if possible (can be done in 2010/2011 iMacs, iMac11,x-12,x), disabling the dedicated GPU if.

There are so many new features and enhancements in macOS Catalina that it’s easy to forget that along with lots of additions, there are a few things that have gone missing, and other things that will no longer work. So, for balance, here’s a list of all the things you lose when you switch to macOS Catalina.

1. iTunes

This is the most obvious one. The loss of iTunes won’t be mourned by many people. It had become bloated and buggy and is the app everyone loves to hate. In fact, the loss of iTunes is probably more a positive than a negative, but it is a loss nevertheless.

Happily, although the app itself is gone, its features are not. Everything you could do in iTunes, you can now do in the new Music, TV, and Podcasts apps, as well as the Finder and Books. Here’s a quick list of which apps handle which bits of iTunes.

  • Streaming, buying, and playing music – Music
  • Buying, renting, and watching movies and TV programs – TV
  • Subscribing to, organising, and downloading podcasts – Podcasts
  • Downloading and listening to audio books – Books
  • Syncing, backing up, and restoring an iOS device – Finder

If you haven’t upgraded to Catalina yet, or don’t intend to, it’s worthwhile cleaning up iTunes junk. There are probably several gigabytes’ worth, or maybe tens of gigabytes’ worth of broken downloads, update files, and other clutter you don’t need lying on your startup drive. Get rid of them and you’ll free up all that space.

I recommend using CleanMyMac X’s iTunes Junk tool for that. It’s quick, easy to use, and could free up several gigabytes of disk space. Here’s how to use it.

  1. Install, and launch CleanMyMac X — download free edition here
  2. Choose iTunes Junk from the sidebar.
  3. Press Scan.
  4. When it’s done, press Clean to get rid of all the unnecessary files.

2. 32-bit apps

Apple has been warning for some time that it would stop supporting 32-bit apps and it has finally happened. If you install Catalina and you have 32-bit apps on your Mac, you will be prompted to upgrade them. If there isn’t a 32-bit version available, you’ll have to find an alternative. If you don’t want to find an alternative, you can do one of three things

  • Not upgrade to Catalina
  • Keep a Mac that’s running macOS Mojave or earlier and run 32-bit apps on that
  • Install an emulator like VMWare Fusion and install an earlier version of macOS on that to run your 32-bit apps

This is something you should give some careful thought to before you upgrade. It will be too late afterwards.

You can update many of the apps on your Mac in one go, including installing 64-bit versions, using CleanMyMac X. It scans your Mac to see what apps are installed, then searches for updates and tells you which of your apps have updates available. You can then choose to update all of them, or only those you select.

3. QuickTime 7

One of the casualties of the withdrawal of support for 32-bit apps in Catalina is Apple’s own QuickTime 7. It will no longer work on the Mac. That shouldn’t be a surprise given that it’s full 10 years since it arrived. Back in 2009 when Snow Leopard was launched, Apple overhauled QuickTime Player and called it QuickTime X. However, the new version was missing lots of features, like the tool in QuickTime Pro that allowed you to cut two or more videos together using only QuickTime. QuickTime X also dropped support for some video formats. So lots of people kept QuickTime 7 around so they could quickly edit video or strip audio from a cued and replace it. But now, QuickTime 7 is gone for good.

4. Dashboard

Remember Dashboard? It allowed you to keep widgets in a Desktop space for things like viewing weather forecasts, stock prices or consulting a dictionary. Introduced its Mac OS X Tiger way back in 2005, it’s been slowly pushed out over the last few versions of the OS and is disabled by default in Mojave. It’s still there, though, and you can re-enable it in System Preferences. In Catalina, though, it’s gone completely. All references to it have been scrubbed from the code. It’s no great loss, though. You can view weather and stocks widgets in Notification Center, and the Dictionary is only ever a couple of clicks away in a text editing app.

5. Support for mid-2010 and mid-2012 Mac Pro

The last of Apple’s ‘cheese-grater’ Mac Pros, at least until the next Mac Pro is launched, won’t be supported in macOS Catalina. The oldest supported Mac Pro is the 2013 model. Apple is very good when it comes to supporting older Macs on new versions of the OS, but even it has to drop support for older machines now and again. On the plus side, Macs as old as the 2012 Mac mini, iMac and MacBook Air will all be able to run Catalina. If you have an older Mac Pro, it may be time to upgrade, or perhaps you could keep it around, running Mojave so that you can use it for 32-bit apps and QuickTime 7.

As you can see, there are quite a few things to say goodbye too with the introduction of macOS Catalina. Some of them, like Dashboard and iTunes won’t be missed by too many people. Others, like QuickTime 7 still have ardent fans and regular users. It’s clear, though, that the benefits of Catalina, and the focus on 64-bit apps far outweigh the losses. And as long as you plan your upgrade and come up with replacements for the things you will lose, the transition should be a positive one.

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Accelerating graphics and much more.

Mac Os Catalina Gpu Switch App Installer

Metal provides near-direct access to the graphics processing unit (GPU), enabling you to maximize the graphics and compute potential of your apps on iOS, macOS, and tvOS. Building on an approachable, low-overhead architecture with precompiled GPU shaders, fine-grained resource control, and multithreading support, Metal further evolves support for GPU-driven command creation, simplifies working with the array of Metal-capable GPUs, and lets you tap into Pro power of Mac Pro and Pro Display XDR.

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Moving beyond just rendering passes, Metal in iOS 13 and tvOS 13 empowers the GPU to construct its own compute commands with Indirect Compute Encoding. Now complete scenes using advanced culling and tessellation techniques can be built and scheduled with little or no CPU interaction.

Mac Os Catalina Gpu Switch App

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Metal Performance Shaders (MPS) speed raytracing operations even more by moving the bounded volume hierarchy construction to the GPU. MPS also provide new, optimized de-noising filters in an essential collection of highly-optimized compute and graphics shaders.

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Metal for Pro Apps

Professional content-creation apps can take advantage of outstanding enhancements in Metal on macOS Catalina. Metal Peer Groups make it easy to rapidly share data between multiple GPUs in Mac Pro without transferring through main memory. And enhancements to CAMetalLayer give you access to the High Dynamic Range capabilities of Pro Display XDR.

Simpler GPU Families

Developing with Metal is even easier with the dramatically simplified GPU Families. Three well-considered groupings allow you to easily target functionality that's common across all Metal-enabled GPUs, access unique capabilities of Apple-designed GPUs, and better harness supported third-party GPUs on macOS.

Metal Memory Debugger

The Metal Memory Debugger gives fine-grained insight into how much memory Metal objects and rendering resources consume at runtime. It also analyzes how your resources are configured and suggests improvements, so you can deeply optimize your game or app to take full advantage of Metal.

Metal-enabled iOS Simulator

Download Mac Catalina Os

The Simulator now uses Metal to speed up the development of iOS apps that either use Metal directly or rely on Metal-based system frameworks. This is perfect for smoothly transitioning from OpenGL ES to Metal.

Best Mac Catalina Apps

  • What’s New in Metal

    Tools for Windows
    The Metal Developer Tools for Windows enables Metal Shading Language (MSL) compilation on Windows into Metal Library Objects targeting Apple platforms.

  • Documentation

    Browse the latest documentation including API reference and articles.

  • Sample Code

    Get sample code to see how Metal APIs are implemented.

  • Videos

    Learn how to take advantage of the latest advancements in Metal.

  • Forums

    Ask questions and discuss Metal with Apple engineers and other developers.





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