Software To Measure Memory Usage Mac


Dec 14, 2018 To determine how much memory your app is currently using, look at the Persistent Bytes column for the category All Heap Allocations. The text is a little small in the screenshot, but it says the app is using 9.64 MB of memory, which is good for an iOS or Mac app. The Allocations instrument does not record OpenGL/ES or Metal texture memory. In the Activity Monitor app on your Mac, click Memory (or use the Touch Bar) to see the following in the bottom of the window: Memory Pressure: Graphically represents how efficiently your memory is serving your processing needs. Memory pressure is determined by the amount of free memory, swap rate, wired memory, and file cached memory.

You still remember the first thing on your mind when you were buying your new MacBook that this Machine will always keep up with your pace and will never slow down on you. That’s exactly what these awesome machines are built to do. But sooner than you think, it starts slowing down. The first thing you need to know is that the performance of your Mac depends a lot on the memory usage on the device. We will talk about some of the ways to learn how to reduce memory usage on Mac and get it to maximum performance again.

Check Your Available Memory Usage on Mac First!

All the applications developed for use on Apple Machines are built to optimally use the memory available. But memory management for MacBook becomes critical when you open too many applications that are running simultaneously. This results in major memory overload.

Once you experience your Mac slowing down, you should start analyzing the memory usage. If you don’t know how to check memory usage on Mac, the best application to start with is the Activity Monitor. You can easily find this application in the Utilities or you can simply type the name of the application in the Spotlight window.

Activity Monitor: Helpful Tool in Analyzing Memory Usage on Your Mac

Activity Monitor is a built-in application in MacOS which tells you everything that is running on your MacBook. It gives you a complete overview of your MacBook’s memory usage. Here you can find out what applications are currently running and how much memory is being utilized by each of the applications. It is an excellent tool in analyzing the memory usage as it gives you plenty of details on the resources being consumed by any application, including the memory being used, Number of threads utilized by each app, CPU usage, etc.

What's more, ths Activity Monitor shows how you can add different columns to check a particular resource being utilized by an application and play with the statistics to shut down what you don’t need and that eats too much of memory. To illustrate a few, let’s have a look at the memory page of Activity Monitor.

The memory page is very informative when you understand all that it is showing to you;

Memory Pressure: This graph gives you the usage of memory over a period of time. You can set the Update Frequency and set the intervals. The right-most bar is the current memory usage, going back in time as you move to the left of the graph. The color of the graph shows the usage level.

  • Green – RAM Memory available.
  • Yellow – RAM Memory still available, tasked by memory-management processes (like Compression)
  • Red – RAM Memory completely used. This is the time where you should start shutting down some apps.

You can see the total installed RAM on your computer shown as,

Physical Memory: Total memory installed.

The part which you are really concerned about is the one marked as,

Memory Used: Total memory being used by the running apps and processes. Getting inside to have a deeper understanding of the memory distribution allows you to play with it and get the best performance.

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  • App Memory: Total memory used by all the apps/processes.
  • Wired memory: As the name suggests, this memory is (virtually) hard-wired and you cannot make any changes to the processes using this memory. These are usually the primary processes of your Machine and they need the memory with the quickest access and cannot be swapped with the memory on disk.
  • Compressed: The MacOS will compress a chunk of memory in the RAM to make more space for the utilization of other apps. You can see the column of compressed memory to see how much actual and compressed memory is used by each process or application.

Swap Used: The MacOS will utilize some space on the disk drive of your Mac. This is used to free up physical space on RAM for the applications requiring more intense use of memory.

Cached Files: The MacOS keeps the recently closed applications as cached files for quick loading once you restart the same application. However, this memory is available to be used by any new application if the same application is not started.

Running out of Space? Try The Quick Fix to Free Up Memory Space Here

When you are running out of space on your Mac and your memory pressure graph is constantly in the red. Your computer is slowing down and if you are thinking about how do I free up memory on my Mac, using a powerful Mac cleanup software is the quickest fix for you. Umate Mac Cleaner is beyond compare your first choice for Mac cleaning software you will find and let me tell you why.

Umate Mac Cleaner is an amazingly powerful tool to clean and offers a one-click solution for releasing more memory. No important files will be deleted through Umate Mac Cleaner so you don’t have to worry about accidentally harming your Mac. Its one of the main features - Clean Up Junk is designed to delete all the junk files which are slowing down the Mac system. You can use the Clean Up Junk feature to run a Quick Clean first.

Quick Clean will run an automatic scan to search, identify and delete the unnecessary files piled up on your system. Deleting those junk files have no effect on system performance, so you can safely remove them without consideration.

Once the Quick Clean has done its job and you still feel the need to make some more space available, the Clean Up Junk lets you run a Deep Clean on the Mac. Deep Clean shows you the files available on the system which can be deleted to make more space available on the Mac. It runs a scan and finds the items that can be deleted, and you can now choose which of these files you want to permanently remove from the system, then hit the big Clean button to remove them with single click.

Another very useful feature of Umate Mac Cleaner to lower memory usage on Mac is Manage Application & Extensions. Naturally, there are a few applications lying around over the chunks of your memory and these applications are not even being used. These unused applications and unnecessary extensions are hogging on the memory bytes which are needed for the new and more frequent applications. This feature of Umate Mac Cleaner is how to save memory on Mac by uninstalling the rarely used applications and their associated files. Along with the unused applications, it also targets the unnecessary extensions which are installed in your Mac. This feature will list down the applications with their usage statistics and you can choose which ones to remove to lower memory usage on your Mac.

Getting Umate Mac Cleaner for Mac memory management is unbelievably easy. All you need to do is get the app from iMyFone, install and launch the app and let it do the rest automatically. The app comes with a very intuitive user interface and is compatible with Macbook/iMac running MacOS 10.15-10.9.

Other 7 Tips to Reduce Memory Usage on Mac Manually

Using a Mac cleaning tool to free up memory on Mac is much easiesr and faster. And this way is highly recommended for time-saving clean up. However, if you want to free up memory without using third-party software, here are other 7 extra tips for you to do the job manually. Let’s check them out together!

1. Clean up the Desktop

No matter what computer you are using, you know that your desktop is filled with unnecessary and unused icons scattered all around the screen. Don’t worry; this is what we do on all our computers. But if you want to lower the memory usage on your Mac, you might want to steer away from cluttering your desktop. This might come as a surprise, but MacOS allows your desktop icons to be treated as priority applications and it keeps all the desktop icons in the active memory. This takes up space in your RAM which you definitely want to save.

2. Manage Memory Usage in Finder

The Finder application on Mac can sometimes take up a lot of memory of your system. You are thinking that Finder should not be taking up this much space, right. It is probably because the Finder application is set to show all files available on the system. Try changing the default display of Finder to not show All My Files. This will work wonders for you.

3. Force Quit Memory-eating Processes

MeasureSoftware to measure memory usage mac shortcut

In the Activity Monitor, you can see which applications are consuming most of the memory. These memory-hogging processes are slowing down your system. You can select to Force Quit these processes to save memory on your Mac.

4. Delete Browser Extensions

The add-ons and extensions on the internet browser are nice tools for quick access to features you need while surfing the internet. But more often than not, they are consuming more memory than they are being helpful. You can save a lot of memory on your Mac by deleting the unwanted browser extensions. Just launch the browser on your Mac, like Safari, Chrome and Firefox, and then go to Preferences to remove those unwanted extensions on the Extensions tab.

You can use Umate Mac Cleaner to remove the undesired extensions. Just launch the app and go to Manage Applications and Extensions and the memory management tool will list down all the extensions for you to choose and delete. You will be surprised at how many of these extensions are not even needed in your Mac.

5. Close Unwanted Finder Windows

Opening a number of Finder windows takes up a lot of memory, and it is incredible how much memory you can save by this little tip. You don’t need anything fancy for this. A keyboard shortcut is all you need; press Command + Option + W to close all the open windows on your Mac.

6. Disable Login Items

The items that are set to launch on every login are going to use a lot of memory space. Most of these login items are not essentially required for your day to day computing needs and you can easily get rid of them. Here are the simple steps to do that: Click the Apple icon > select System Preferences > Click Users & Groups > Select the login item you want to remove, then click the Remove.

Using Umate Mac Cleaner to Disable Startup Items is your one-click solution to fix this issue. Select the items you want to disable on your next login and you will start your Mac with a bunch of memory saved.

7. Purge RAM in Terminal (for Advanced Users)

Open the terminal on your Mac and enter the command ‘sudo purge’. This feature requires admin rights so you would have to enter the password here then the system will clear the inactive memory. We strongly advise against using this method unless you know your way around your Machine.

If You Use Chrome Browser, Here's Bonus Tip to Lower Memory Usage

If you are using Google applications like Gmail, Google Drive, etc. This tip might be useful on how to lower memory usage on Mac. Google Chrome makes use of the system GPU for its processes to help load web pages super fast, however, this process takes a lot of memory on your system RAM. Fortunately, there is a way to control this. Use the Task Manager of Google Chrome to manage the memory available for use by Chrome, and you are good to go!

Anyway, You Should Keep Your Eye on Mac's Memory Usage

Software To Measure Memory Usage Mac

If your Mac is boosted up with 16 gigs of RAM memory, then you might have a lot of free space to use up for unnecessary applications. But with the basic 4 or 8GB RAM machine, you would require the monitoring more often. More applications running on the Mac means more memory usage. This makes it very important that you should keep a check on your applications. Learning to read and analyze the memory page of the Activity Monitor will be extremely useful in memory management for your Mac and keep your MacBook memory usage under check.

Vista Memory Usage


With these simple tips and tricks, you can bring your Mac back to its fast performance condition when the speed of your MacBook was unmatched to all the other computers. Using an application that can efficiently look after the system health will keep your Macbook hassle-free. Umate Mac Cleaner might just be the thing you were looking for, a application that comes with all-in-one package and all the features you need.

One of my friends came up to me a little while back and asked me if I was interested in buying some USB flash drives from him. He had about 200 pieces, they are all new and are about 60% below the current market price. It’s a very good deal when you can buy a $20 new USB flash drive for only $8. He couldn’t reveal how or where he got it from and that alone got me a little worried about the quality of the USB flash drives. He also told me that there won’t be any warranty if the USB flash drive fails. So I thought that the possibilities are they could be either stolen or are rejected stock from the factory.

The only thing I am afraid of is using a stick for a few times and it couldn’t read the files or can’t detect the drive anymore. I have also heard several stories of people buying USB flash drives from places like eBay and their true capacity being only a fraction of what was advertised. With all this in mind, I told him that I’d like to test the USB flash drives first before buying and he agreed. Windows comes with scandisk or chkdsk which I can use to scan for bad sectors but it lacks any soft of burn-in test or a test to check the true capacity.

So here are 5 tools you can use to test the current condition and performance of a USB flash drive.

1. Check Flash

Check Flash (ChkFlsh) is a very simple flash drive testing and maintaining tool. I have used this tool several times to run a burn in read and write test on USB drives. If the device is able to survive after a few cycles, the USB flash drive should be OK. There are 3 access types and 6 action types for you to select. To access the actions of “Read stability test”, “Save image”, “Load image” and “Full erase” you have to change the Access type from temporary file to a logical or physical drive.

Other than checking for drive errors, it can also determine the read and write speed. The test length can be set to scan the drive just once, several specified passes, or leave it running until an error is found, or you tell it to stop. Check Flash is a free and single portable executable file. It can only test USB flash drive and not external hard drives.

Download Check Flash

2. RMPrepUSB

RMPrepUSB is a tool which is actually a USB formatting, partitioning and bootloader creation utility as opposed to a USB testing tool. While it’s not meant to be useful for doing a complete read and write scan, it does have a little function that can test your drive to see if there are missing or bad parts and what the actual usable size is. This is ideal to check if the drive is the capacity you believe it to be and is infinitely quicker than scanning the whole drive if that’s all you want to do.

Make sure the USB drive IS EMPTY because any contents will be deleted. Simply insert your drive and select the “Quick size test”. Portable and installable versions are available. This is also quite a good tool to experiment with bootloaders on your flash drive as there are several different types that can be used.

Download RMPrepUSB

While the Quick Size Test will give you a general idea of whether the entire size of the drive is available and working, it won’t run a complete test. To do that, you can download FakeFlashTest which is by the same developer and includes the quick test and another more comprehensive test.

3. H2testw

H2testw is able to test USB flash drives, memory cards and also internal, external and even network hard drives for errors. It simply works by filling the device with 1GB chunks of test data and then verifies it by reading the data back again. Usage is very simple. Select the English language because it defaults to German, select the target device, and then choose whether you want to test all available space or a specified amount of Megabytes.

Software To Measure Memory Usage Machine

Although H2testw is non destructive in that it won’t overwrite anything present on the drive, for best results, it’s recommended to have an empty and newly formatted device. This program has been found to be very good at testing both for errors and to find USB sticks with a fake capacity. H2testw is also a completely portable standalone executable.

Download H2testw

4. Flash Drive/Card Tester

Flash Drive/Card Tester is a tool we’ve mentioned before because it’s a simple tool but can be used in a few different scenarios. In addition to being handy useful for detecting fake capacity drives, it can also show you how fast the drive can read and write data. Another thing it’s good for is testing for bad or problematic sectors on a flash drive or memory card.

All you have to do is select the drive to test and choose a “Write, read and compare” test, then start the process. The device map at the bottom will show a graphic representation of passes, write fails or read fails. Choose the Write log file option to output a possible list of errors to a text file. The program actually comes as a setup installer but we’ve zipped the two files to make Flash Drive/Card Tester Portable.

Flash Drive/Card Tester Portable

5. USB Memory Stick Tester

Software To Measure Memory Usage Mac Os

This tool is very old dating back to 2005 but it still works and is only 66KB in size. USB Memory Stick Tester is a pretty simple tool to operate and will write and then read data to test for errors on the drive. There are only really two options to speak of.

The first thing you can change is the number of passes slider. Although it doesn’t say, we assume it can be one to four possible passes. The other option is the test size which will be a percentage of the total size of the flash drive. Obviously, the higher the proportion of the drive is tested, the more likely it is that any issues or errors will be identified.

Download USB Memory Stick Tester