Questions tagged [cpu]

The CPU (Central Processing Unit) is the part of a computer that performs tasks instructed by the computer programs. Its role is somewhat analogous to that of the human brain; it performs simple mathematical, logical, and in/out operation of the machine.

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Should I upgrade my Intel E7600 CPU for an E8600 in my iMac 27" late 2009?

It all begun when my factory Seagate Barracuda started clicking. I knew the end was nigh for my beloved iMac 27" 10,1. I then watched some tutorials, did some research and realised I could do ...
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If my MBA has 4 cores, why does About This Mac say it has 2?

In About This Mac, it says that my Mac has a dual-core CPU, but Activity Monitor says that I have 4. I also checked this in Terminal with sysctl -n hw.ncpu but it also gave 4. If I have 4 cores, why ...
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How to identify processes maxing out CPU load and causing spinning pinwheel icon

I would like a method that will identify which processes are active during periods when GUI is stalled with a spinning pinwheel cursor icon. Ideally, this method will be useful for identifying which ...
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Regarding: Apple M1 Ultra with 20-core CPU

If I run top or htop on it-- what would I see? 40 CPUs or 20? It's a legitimate question: I don't expect to be "voted down" for it.....
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Why would Spotlight be using lots of CPU when only a few things are being indexed?

I've been trying to diagnose hangs and bad perf on my 2015 MBP running MacOS 12.2.1. One thing I noticed was various md* processes running and taking up a lot of CPU, e.g. mds, mdworker, ...
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VS Code uses high CPU even if it is closed

VS Code takes 100% CPU usage even it is not open. I ran the ps aux | grep PID command to check the details but can't understand anything. Here's the output: tawhid 27099 100.0 0.1 447352160 ...
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How to increase CPU for Pro Tools in my MacBook Pro?

I have all my music DAWs such as Pro Tools and Logic Pro in my 2021 MacBook Pro, how can I increase CPU?
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What's the normal rpm and sensors temperature for Macbook pro 2019

I have a Macbook Pro 2019 (Core i7 16GB 16inch) and for normal usage with Google Chrome and VSCode for simple projects, it shows this temperature and fan speed Is it normal? Its fan are always on and ...
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Prevent MacBook from lowering the CPU speed with a damaged battery

I have MacBook Air (early 2014) with Big Sur installed as an emergency. And it happened, I lost my job, work laptop was taken back, and I had to use my emergency laptop. The battery is damaged, it ...
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High kernel_task CPU usage problem

I have an old MacBook Air 13" from 2013. It has been working flawlessly up to maybe 6 months ago, where it started being insanely slow. I have identified the cause to be the dreaded kernel_task, ...
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The process `com.broadcom.mes.systemextension` causes 100% CPU usage, what is it for?

As title. I have searched about com.broadcom.mes.systemextension but from their website I still don't know what it is for. As a NeoVim(you can think it as Vim) user when I scrolling through a result ...
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`syspolicyd` CPU usage drains the battery

Since I'm on Monterrey (from Mojave), there is syspolicyd process ALWAYS using 35-45% on the CPU! If I leave the laptop in idle, syspolicyd (Apple Gatekeeper) consumes an average of 37% of the ...
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Macbook Pro suddenly slows down with high CPU load

After a sudden power cut, my Macbook Pro became so slow and laggy with high CPU load. The CPU load is very high on startup and whenever I open an app. Even a small app like Notes also causes more ...
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WindowServer high on Macbook M1 Pro [closed]

My WindowServer usage seems unusually high. I only have two chrome tabs open. I have a Macbook M1 Pro running Monterey.
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high fan speed even w/o SSD on MacBookPro9,2 (mid-2012) MD101LL/A

It is important that I give a detailed description of the event MacBook model MacBookPro9,2 (mid-2012), MD101LL/A, Core i5, 16G RAM, SSD 500GB, bought in 2014 Used up to a week before the disaster, ...
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MacOS opendirectoryd Constantly Running Taking Up CPU

recently I found that my mac has been running hot even when left idle. I looked into the activity monitor and it seems like there is a daemon opendirectoryd that has been constantly running and taking ...
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Macbook crashes randomly. CPU problem?

MacBook Pro (Mid-2014 11,3) (C02P42JBG3QP) 11.6 My MacBook will crash randomly throughout the day as I'm working. If I leave it open and don't touch it, it will be fine. But as I use multiple apps, ...
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Which loads YouTube videos faster, the A15 or the M1, and why? [closed]

Which loads YouTube videos faster, the iPhone A15 chip, the iPad Mini A15, or the iPad Pro M1, and why?
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Cannot Exclude Swap Directory from Spotlight: The item couldn't be added or removed because of an unknown error

Since my Macbook Pro (Big Sur 11.6) is burning through its battery power really quickly with mds_store clocking the most CPU usage, running the following command sudo fs_usage -w -f filesys mds_stores ...
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Why are apps divided into Intel or M1 based types if universal binaries exist?

So, I am downloading software in preparation for a M1 Macbook and I have quickly discovered that sites will often ask what type of mac chip you have along with an article showing how. On average, most ...
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Checking detailed parameters of hardware - like RAM CAS latency

In Windows one can find free apps like CPUID (CPU-Z) and others who help get a lot of information about installed hardware. I was looking for something similar for macOS, but couldn't find anything ...
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Performance has been decreased significantly after connecting via HDMI (M1)

Currently, I have some sort of performance issue with my MacBook Pro late 2020 (M1, 256, 8). I inserted not the original (very cheap) multiport adapter into the machine and connected it via an HDMI ...
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MacBook burning and overheating

I have recently asked about this and everyone says it's fine. (Macbook went over 95C) When I was using my MacBook for about an hour (running at 55-70C) my keys were burning my hands so bad. My MacBook ...
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Which CPU temperature should I look at to monitor thermal throttling?

I'm using iStat Menus to display temperature readings from multiple sensors. I want to keep an eye on the CPU temperature to see if the cores are close to their thermal throttling threshold, but there ...
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Mac mini fan never surpasses 7%, even while stress testing

I have a 2014 Mac mini with an Intel Core i5 processor. I noticed that no matter how much I used it, the fans barely ramped up. Using iStat Menus I noticed that it would usually stay around its base ...
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ifind process utilises 97% of CPU

I have mbp13 2019 with i7 16gb RAM running MacOs Catalina (10.15.7). There is an ifind process started from root on 34 port and this process utilises CPU heavilly. It could work for 40 minutes in a ...
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Limit entire system's CPU usage

I want to limit the entire macOS system's CPU usage. I don't mind if it slows down, but I just want to compromise some speed for temperature. I searched for any programs that does this. The one that ...
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Thermal throttling after Big Sur update

My 2015 i7 MacBookPro started to thermal throttle after the update to Big Sur: in previous system, the Mac went up to 90°C degrees before slowing down. And it would not thermal throttle at all. The ...
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kernel_task eating 1000% of my CPU regardless of the CPU being at 56-58 degrees

I'm currently struggling with kernel task on my 1 year old Macbook Pro 16" 2019. Basically I'm currently using an external monitor which is connected to my macbook via a usbc to displayport cable ...
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MacBook Pro CPU runs underclocked in some situations

I'm having some issues with my MacBook, the CPU doesn't use the full capacity in some situations. Configuration: Model: MacBook Pro late 2018 with OS 11.2.2 CPU: 2.2 GHz 6-Core Intel Core i7 RAM: 16 ...
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Inspect kernelmanagerd log

With BigSur, I have the notorious problem of the kernelmanagerd process constantly using a large part of the CPU (at least 35/40%). so, following the various guides found online, I have: uninstalled ...
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How to slow down iMac CPU for quiet operation [duplicate]

With the help of Turbo Boost Switcher Pro, I could always keep my iMac 2020 with its 8-core i7 fanless for 99% of the time without any noticeable slowdown on daily work. Until now. However, now it ...
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MacBook Pro 16 inch thermal throttling even when temperatures are low

Sometimes when I start to use MacBook its cpu speed limit stays at 20% despite the low temperature. I use the app "HOT" to monitor it. Sometimes even when temperature is 60 Celsius cpu ...
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Why do numbers in Activity Monitor never add up?

For example, at the bottom it shows "System: 1.45%, User: 1.55%, Idle: 97%". Yet in the process list I see under "% CPU" Activity Monitor 20%, WindowServer 13%, Firefox 10%, ...
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trustd process v high CPU usage and slooow boot up - OSX 10.13.6

My machine used to fly through booting up but since last week it's very sluggish and once I finally log in, three instances of trustd are operating at a very high capacity for 5 minutes or so. After ...
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Why are "spindump" and "sandboxd" eating up all my CPU?

I am using MacOS Big Sur 11.3 on a 2019 MacBook Pro. Recently, I started noticing that some programs (specifically MATLAB) have been running really slow, the cursor and mouse are lagging, etc. ...
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How to identify CPU hogs when screen is off?

I occasionally notice my Mac working hard, with the fan blowing strongly, while the screen is off and when it was supposed to be pretty much idle. When I turn on the screen, I can see in the activity ...
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IMDPersitenceAgent running 100% CPU

After a couple minutes of inactivity, often my fans start going on. I look at activity monitor and IMDPersistenceAgent is using 90-100% CPU. If I force quit it, it comes back. I've attempted the ...
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25 votes
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The process com.cisco.anyconnect.macos.acsockext hogs Mac CPU but cannot be killed or stopped from launching

MacBookPro16,1 running Big Sur 11.3.1 (20E241) This job consumes huge amounts of CPU off and on (see attached image from my Activity Monitor), often causing my laptop fans to engage to cool the ...
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4 votes
1 answer
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Google Chrome caused Mac OS X to have High CPU

I'm not sure if anyone else faced this issue also. My Mac Book running so hot. I'm on the latest OS BigSur, and on a MacBook Pro (16-inch, 2019). As you can this Mac is fairly new and fully loaded. It'...
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lsd and tccd hogging CPU, launchd getting killed, backupd crashing often

The last couple of days, my Mac (OS 10.14.6 Mojave) has had two daemon processes running hard and hot: lsd (launch service) and tccd (which apparently manages which apps have permission to access ...
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7 votes
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What is the ApplicationsStorageExtension process on macOS?

I heard my MacBook Air's fan running loudly, so I opened Activity Monitor. I see that a process named "ApplicationsStorageExtension" has a high number for % CPU. How do I kill that process? ...
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How to find the current temperature of an iPhone's CPU?

There are extremely useful utilities like iStats for viewing the CPU temperature on a device running macOS. Is there a way to view the current CPU temperature of an iPhone? Note: the reason I want ...
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8 votes
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WindowServer high CPU usage, spikes when moving cursor on M1 MacBook Big Sur

The "WindowServer" process uses excessive CPU time on my 2020 M1 MacBook Pro running Big Sur 11.2.1. At idle it will sit at 15-25% CPU time. When moving the mouse cursor it jumps to 30-50% ...
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CPU Intensive task on Big Sur is really fast for 5 minutes, then really slow

I'm running the compilation of a large program on Mac Os Big Sur on an M1 Mac Mini. I'm using cmake, ninja, with parallelism of 7 (there is 8 cores). It goes really really fast for the first five ...
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High CPU usage in Chrome/Opera

When I open 1-2 tabs with sites that have many images (e-shop as an example) the CPU usage gets to 100% for Chrome/Opera/Firefox. What I've tried: Reset Chrome to default settings Disabled all ...
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Globally Disable Microphone in Big Sur?

After upgrading to Big Sur from Catalina, I remarked my fan was running continuously. Opening Activity Monitor I remarked that "com.apple.SpeechRecognitionCore.speechrecognitiond" was ...
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What is wrong with my Mac? Unknown df process

I am using a 13-inch MBP 2019 running macOS 11.1. My Mac has been running extremely slowly starting today. It seems as though a process called "df" is the problem, but I can't figure out ...
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New Macbook Pro 2019 has high temperature with low CPU usage

I got a Macbook Pro 2019 with Intel Core i9 Processors and it seems to heat up and get the fans spinning even with very low cpu usage. For Example, today when I was on a video call, Both my fans were ...
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MacOS 'Big Sur' bad cpu type in executable error [duplicate]

I'm trying to follow along with this simple tutorial (https://flutter.dev/docs/get-started/install/macos) to install Flutter SDK on my new MacOS. I reach step 3 which is to run the program "...
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