![]() Quartz Debug is an interesting utility, you can use it to enable Retina HiDPI mode on old Macs that don’t even support a Retina display (which, some time ago, this was one of the big hints that Retina displays were coming to the Mac), though it’s basically unusable so don’t be fooled into thinking you’ll suddenly have a better display experience. It can also offer a way to directly see the performance boosts offered by tricks like these to speed up Mac OS X Yosemite, particularly on older hardware. Even something as simple as resizing a window or scrolling through a Finder window with Mac OS X Yosemite transparencies is notable, and similarly, you’ll find that using something like Increase Contrast, which disables the transparent effects as well as making interface elements more defined, has a side effect of boosting FPS and reducing CPU load during those type of tasks.Īs a developer tool, this is mostly intended for performance testing of applications, but it can still be an interesting way to benchmark some aspects of Mac OS X, or at least see how certain activity may or may not impact the visual performance on a Mac. With FrameMeter enabled, just interact with Mac OS X or an application and you can see how frame rate and processor usage is impacted. You’ll notice the FrameMeter looks like a little dashboard tachometer of sorts, displaying FPS and CPU usage simultaneously. This brief video below demonstrates how to use Quartz Debug for a live FPS display: When the FrameMeter shows up place it somewhere appropriate for your usage and start interacting with Mac OS X or an application to immediately see how the FPS and CPU gauge changes live, showing you the frame rate of onscreen activity.
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