![]() Looking at the detail at the foot of the window, you’ll see a value for the physical memory installed in your Mac, how much memory is used, whether there are any files which are cached to disk storage, and any swap memory usage. With my normal working apps open, the largest user of memory is Postbox, but none takes more than 600 MB. Confirm that the window title reads Activity Monitor All Processes. In the View menu, ensure that All Processes is ticked, or system processes may be hidden. In Activity Monitor, click on the Memory tab at the top of the window, then click the column header Memory to sort the entries with the largest memory use at the top. If you’re running Monterey 12.0.1 or 12.1, you can even test this yourself, as I’ll describe. In this article I look at one aspect which became a major concern for many in Monterey 12.0.1: memory.īefore reading any further, you might like to open Activity Monitor to follow what I’m showing. Each of those has its own view and information in Activity Monitor, which helps you work out where and what performance problems are. (Also see the Comments section below for any additional free Mac CPU monitors and memory usage monitors we find.The leading factors determining your Mac’s performance are loading of its processor cores, memory use, accessing storage, and network speed for graphics-intensive apps you can add the performance of its GPU. But as far as a Mac activity monitor that provides good information in an unobtrusive interface, I really like iStat Menus. If you're a Unix user, you also know there is a free monitor named "top" that you can access from the Mac Terminal. The Mac Activity Monitor is a free, built-in Mac CPU and memory monitor that ships with every Mac. Of course there are other ways to see similar information for free. Currently priced at $16, it won't break your wallet, and if you want to know what's running on your computer, i.e., "What's eating my CPU?", or "What's eating my memory?", this is one Mac application that makes it very easy to see this information in an unobtrusive way. While I rarely recommend commercial products on this website, I have been very happy with the application that I use to see this information: iStat Menus from bjango. IStat Menus - A Mac CPU and memory usage monitor Here's my current Mac memory usage (with the World Series game not running any more): While the small graph icons are extremely helpful to see all the time, if you click them you'll see some more detail information. More detailed Mac CPU and memory use information ![]() It's nice to see the "dual core" CPU approach being used. I've underlined the CPU usage graphs with a red line at the top of this image:Īnd here's a closer look at just the Mac memory and CPU usage indicators on the Mac menu bar:Īs you can see, both Mac CPU processors were very active while watching the baseball, which surprised me a little bit, because Flash is such a maligned technology. Here's an idea of what my Mac CPU usage looked like. They weren't pegged to the needle like they are when I'm ripping a DVD on my Mac, but they were pretty busy. I was just taking a break and watching last night's World Series game on MLB.com, and I happened to look up and see that both of my Mac CPUs were very active. ![]() One cool thing about having a good Mac CPU and memory usage monitor is that you can watch it while an application is running. Mac CPU and memory usage: Can you recommend any products to easily monitor Mac CPU usage (and Mac memory usage)? ![]()
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