So far, I haven’t found any downsides to this – but then again, I just added the feature yesterday and have only done limited testing. App Tamer automatically moves apps between the performance and efficiency cores as you switch between apps. In my initial testing, the feature seems to work quite nicely. This saves power and leaves the P cores free to handle higher priority tasks. If you turn on the checkbox for Safari, any time that you leave Safari running in the background while you’re using another app, Safari will be switched to the processor’s E cores. It works like App Tamer’s other CPU-saving capabilities in that it’s applied to an app anytime that app is not frontmost. I explained the basics of this feature in a previous post. When you click on an app in the process list to change its settings, there’s an additional “Run this app on the CPU’s efficiency cores” checkbox, as you can see in the screenshot below. In that scenario, “CPU Used by All Apps” could show 50%, with E core usage at 100% and P core usage at 38% – which doesn’t make sense to most normal humans. This may be a little counter-intuitive at first, but it was even more confusing to represent them as a percentage of each core type. Note that P and E stats are shown as a proportion of total CPU power available, so on an M1 Pro processor (8 P cores and 2 E cores), the E core number will max out at 20% (2 cores out of the 10 available), while the P core number will max out at 80%. You’ll get these automatically if you’re running App Tamer on an M1-powered Mac. P and E core usage statisticsĪs you can see in the image on the left, App Tamer now displays graphs of P and E core usage as well as overall CPU usage. The big deal in this iteration is support for the Performance and Efficiency cores (or “P and E cores” for short) in Apple’s M-series processors. There’s now a public beta version of App Tamer 2.7 available for download. Posted in App Tamer, Big Sur, Catalina, El Capitan, High Sierra, Mojave, Monterey, Sierra, Ventura, Yosemite | No Comments » This update is free if you’ve already purchased an App Tamer 2.x license. So that fix is now available in App Tamer, making it a reliable source of CPU information for all processes again.Īs usual, release notes and download links are on the App Tamer release page, or if you’re already using App Tamer, just choose “Check for Update” from its menu. Some hunting around in the macOS source code (thank you Apple for making darwin Open Source!) revealed an alternate method that correctly reports the CPU usage of all processes, including kernel_task. In App Tamer’s defense, the system’s approved public API was supplying those numbers and it dutifully reported them without prejudice. App Tamer would show either zero or astronomical values for kernel_task’s processor use, neither of which was correct. ![]() Second, internal changes that Apple made in macOS resulted in App Tamer reporting the CPU usage of one particular process – kernel_task – incorrectly. Unfortunately, it also did that on pre-Big Sur systems, often making its icon too close to adjacent ones in the menu bar. Version 2.7.3 of App Tamer is now available, fixing a couple of problems.įirst, my apologies to folks using versions of macOS older than Big Sur: Changes in the last App Tamer update tightened up the spacing of its menu bar icon to comply with modifications Apple made to Monterey and Big Sur. Posted in App Tamer, HistoryHound, Ventura | No Comments » The updates are free if you’ve already got a license for the app in question. Full details and download links are available on the App Tamer release page and the HistoryHound release page. Oh, and to be consistent with Ventura, any references to “Preferences” in both apps now refer to “Settings” when you’re running on Ventura, because that’s what they’re called in the new, modern Mac world. This update also adds some features, including support for the Orion web browser and new filters that you can use to narrow down searches of your browser history. HistoryHound 2.3.3 is also available now, adapting its prompts for Full Disk Access permission so they work smoothly on Ventura. That’s usually not something you want to do, as it can make the app harder to use, but there are situations where it does make sense. As its name implies, this checkbox will slow down an app even when it’s frontmost. Even if you’re familiar with App Tamer, you may not have seen this as it only shows up when you hold down the Option key. This release also fixes a bug in App Tamer’s window handling, and corrects a problem with a checkbox not being enabled in the settings for slowing down an app.īecause someone’s going to ask, the now-correctly-enabled checkbox is the “Also slow this app when it’s in front” feature. Version 2.7.4 of App Tamer understands Ventura’s new security restrictions for Login Items and will ask you to approve its helper application when necessary.
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