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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Catalina: Can't sign out of iCloud and Update Apple ID settings error, WindowServer high cpu. Now fixed

I had this issue for a while where system prefs -> icloud complained about "Update Apple ID Settings". Clicking continue it'd eventually ask for my icloud password and then it would an ...
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Is 80-90 degrees celsius hot for MBP 2019 CPU temperature

I just converted to apple and bought the latest 16inch MBP with a 6 cores core i7 processor and 16GB of RAM. I am noticing that it gets hot easily, on idle the temperature is around ~45 degrees ...
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PerfPowerServices uses 60-70 percent of CPU all the time

Looks like this happens after i wake the machine from sleep. i am not sure. the machine is a MBP 13,1 2016. running Mojave I have tried rebooting, shutdown, force quitting the process and a ...
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Touch Bar Server shows up in Activity Monitor, but no Touch Bar on my Mac

I have an early 2013 13" Retina MacBook Pro. I was checking Activity Monitor and noticed that TouchBarServer is usually at the top of the list for both CPU and Memory. Mind you, the 2013 MacBook ...
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Existing 3rd party software migration

Did Apple mention/provide a way to upgrade existing 3rd party software once systems with the new CPU are released or are we expected to buy from scratch? Does anyone remember how they handled this ...
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CPU Speed drops while running Cinebench but temp drops too

I've been noticing that my MacBook Pro 2015 2.8 GHz is getting slower under load. So I ran some tests. I run Cinebench R20 and get a value of 1370. When I attach peripherals I get odd results. ...
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Upgrading CPU in Mac Pro 5.1

I am planning to update my CPU on my Mac Pro 5.1 2010. As shown here the highest CPU I can get is the dual 6-core Xeon 3.46GHz. Now I wonder if this one I found here can be used straight away without ...
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Is my CPU core/CPU proximity too high in temperature? [duplicate]

As mentioned by the title 'is my CPU core/CPU proximity to high in temperature?'. The underneath of my macbook gets seriously hot. Not only this but if an application is being 'verified' when opened ...
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High CPU usage for WindowServer process in Activity monitor

On my Macbook Pro 13" 2020 model, WindowServer is constantly eating away 20% to 40% CPU. Tried the usual recommendations, but none help. (reduce transparency, display scaling etc) Also tried to ...
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Kernel Task is using 1000% of The CPU on macOS Catalina [duplicate]

My MacBook Pro running on macOS Catalina is really slow and the kernel task is using 1000% of the CPU !! I tried all the solutions suggested in MUF How to Fix Your Mac’s “kernel_task” High CPU Usage ...
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CPU Die when fan speed is slow

I recently bought a second hand MBP early 2013 15' quad core. Everything seems fine so far except 2 cpu died events I experienced. The first one is happened last week when I exported a 2 minutes ...
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kernel_task uses up over 50% cpu usage until I open Activity Monitor

My mac is slower than it used to be a week ago. I may have downloaded some sort of malware, but I did a Malwarebytes scan and it found absolutely nothing on my computer. I also personally scanned ...
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Macbook slows down when connected to external monitor and power supply

I have a Macbook Pro (Retina, Mid 2012) with the following configuration: 2.3 GHz Quad-Core Intel Core i7, 8 GB 1600 MHz DDR3, Intel HD Graphics 4000 1536 MB I use Dell P2419H as my external monitor ...
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remindd sometimes spikes over 100-200% CPU usage

Over the past few months, I have experienced my MacBook turning on its fans because of high CPU usage. When that happens, I see that a process called remindd is using 100-300% CPU for a long time, ...
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Wiped my Macbook keyboard and trackpad with an antibacterial wipe. It's affected the cursor when there is load on the cpu. How can I fix this?

I have turned the Macbook off and left it for 24 hours and turned it back on three (days) separate times. Using a USB mouse when the Macbook is turned on works well but as soon as a load is on the cpu ...
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cloudphotod using CPU, even though cloud syncing is off

On my freshly installed Catalina, but imported home directory, the cloudphotod process uses a lot of CPU, often between 20% and 50%. This would be understandable if I had cloud syncing enabled, but I ...
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Is it possible to upgrade the CPU on a mac mini?

I want to upgrade the CPU on my Mac Mini (Late 2012). I currently have the i5 2,5GHz version but want to upgrade to a better CPU. Will it be possible to upgrade to the i7 2,6GHz that is on some of the ...
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kernal_task bringing MacBook Pro to a halt - fan problem?

I have acquired a 2nd-hand mid-2015 MacBook Pro which I use connected to 2x cinema displays (the laptop itself has some screen damage). When connected up for the first time I noticed it was going ...
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Erratic cores usage

My machine specs: iMac (Retina 5K, 27-inch, 2017) Processor: 3.4 GHz Quad-Core Intel Core i5 Memory: 16 GB 2400 MHz DDR4 Graphics: Radeon Pro 570 4 GB Very recently I have started ...
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Some applications are reporting different stats than Activity Monitor?

So here's something I'm curious about: When running a full project in Ableton Live (music production), I am (when setting sample rate to the max) getting get drop outs and stuttering. This is as ...
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What is PrivateFrameworks 'deleted' and why is it using so much CPU? [duplicate]

I noticed a process called deleted using quite a lot of CPU. In the image linked, it shows 10% CPU usage but fluctuates frequently hitting highs of 20% and averaging around 12%. Suspicious that it ...
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Process “Footprint” suddenly spiked in cpu usage

My 2019 mbp suddenly spiked in a process called Footprint at exactly 10:30 pst today. I searched the internet and I cannot find any information about this. What is this process for, and what does it ...
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Retina iMac not powering up after upgrades, one diagnostic LED

I did a few upgrades to a 2017 iMac, and unfortunately, upon reassembly, it isn't powering on. Here's a photo of it, display disconnected. In the second photo I've labelled things for reference. ...
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How can I disable Intel Turboboost and Hyper-Threading?

The title pretty much sums it up but I need a way to disable Turboboost and Hyper-Threading. I am currently on macOS Catalina and I am able to edit system files because I have SIP disabled. I am ok ...
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Problem usage 12 cpu core

I was checking the workload of my CPU cores during a use case of computation. I noticed that only one half (odd only) is used as you see in image. Why are the others not inactive? Notice that this ...
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Folding@Home project killing CPU

Three to four weeks ago I read an article which was talking about the project Folding@Home which helps researchers find a cure for the CoVid-19. Since then my Mac has been pretty noisy, although the ...
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Excel is unusable for large files that link to each other

I am collaborating with a data analyst using two linked files stored in a shared folder in my Dropbox. The first file contains the raw data (several worksheets; total file size ~110MB); the second ...
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Is there such a thing as unsafe cpu levels on mac?

Background: The process com.docker.hyperkit has consistently been using between 100% and 200% cpu on my mac (which has 2 physical, and (in total) 4 virtual cores). Question: is there such a thing as ...
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What is the support of AVX-512 in MacBookAir9,1

This could be checked if you have the new 2020 MacBook Air by using command: sysctl -a | grep cpu I am not in possession of this Mac and can not find this documented by Apple or elsewhere online.
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How to stop mDNSResponder from using 90-100% CPU continuously forever on Catalina?

I just upgraded my 2018 15" MacBook Pro from Mojave to Catalina (10.15.4). It's been a few hours. One of the first things I did after the upgrade was edit a video using the new free trial of Final ...
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Process called “ItYoingm” using over 90% CPU and over 106GB memory - root user

I have recently downloaded Catalina on my Macbook pro and every now and again my fan goes into overdrive, even when I'm hardly using any programs. I opened my Activity Monitor and there is a process ...
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kernel_task takes a lot of memory

My kernel_task takes 71.2G VIRT and 2386M RES (in htop screen). I'd like to understand what takes so much resource. But I don't understand what is wrong based on the output of sudo zprint -t https://...
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mid-2015 MBP, 16GB, upgraded from 2.5 to 2.8 model. Benchmarks are almost the same, even worse for the 2.8 in some tests

Any thoughts on why this would be? I migrated everything at power-on on the new mac after formatting its Samsung EVO 970 plus, so they have identical drive contents and OS. Also, the 2.8 gets hot ...
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Will a 2008 MacPro3,1 work with only one processor?

I've been running a 2008 MacPro3,1 for a long time now as my home desktop. For my day-to-day, I have much newer equipment but nothing since the old cheese graters has had the same storage capacity ...
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pdfsplit fails to start

pdfsplit returns the following error when launched from terminal: pdfsplit --version -bash: /usr/local/bin/pdfsplit: Bad CPU type in executable OS: macOS Catalina 10.15.2 file Checking ...
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Is latest 16" MacBook Pro powerful enough to stream 4k video from Plex to AppleTV without buffering issues?

Scenario: I have a mid-2015 MacBook Pro running 10.15.3. I've downloaded some 4k movies to that computer. They're in MKV form. I use a program called Plex to stream the movies from the MacBook to an ...
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High resting CPU usage and Idle Wake Ups

The idle wake ups on my MacBook Activity Monitor are staggering. Earlier today I accidentally deleted a macOS folder and emptied the trash. After realizing what I had done, it was too late. Now the ...
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CPU throttling on Macbook with bad battery and Catalina

I've seen some answers for this but it references older systems and older OSes. Can anyone update this for relevance in the Catalina era. I have a Macbook10,1 with a shot battery. The screen is ...
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Mac OS Catalina 10.15.2 AMPDevicesAgent using 100% CPU

Today AMPDevicesAgent started using 100% of my CPU. This is causing the fan to run all the time. What is AMP Devices Agent How can I stop this
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Fan speed at maxium and kernel_task at more than 300% after changing the display assembly

I recently replaced my MacBook Pro's (mid-2012) display assembly. After the first boot, my fan speed is at maximum and kernel_task is at more than 300% which is affecting the responsiveness of the OS. ...
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I really want to know what is proper the cpu temperature for my Mac book [duplicate]

I'm using Mac book pro 13 inch , 3.1 ghz i5 dual core. I have set up Mac book fan control and I am able to check the temperature. I was just surfing the internet, and the cpu temperature shows about ...
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Kernel Panic, especially at boot or sleeping mode: Thread “x” crashed. CPU issue?

I encounter some problems with my MBP late 2016. I thought it was from SSD, I have ejected it (now running on external one) I thought it was from RAM, I have run memtest86, the result was OK I have ...
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What is “routined” and why is it eating my CPU?

After my fans started blazing, I checked top and found that a process named routined was using 60-70% cpu. Surprisingly, I found no information about this process via Google, other than a mention of ...
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What is the typical CPU utilization of idle iMac?

I am new to macOS. I recently purchased a 2019 iMac (Retina 4K, 21.5 inch). .OMMMMo OS: macOS 10.15.1 19B88 x86_64 OMMM0, Host: iMac19,2 .;...
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How do I get information specific to CPU core via command

Suppose we have one CPU with 2 cores. I seek dynamic scheduling information such as Processes, IO time, IDLE Time, System Time as allocated time specific cores as opposed to aggregated or averaged to ...
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How to evaluate different CPUs in 2019 MacBook Pro lineup (2-port vs 4-port)?

If I am looking at the only the 13" MacBook Pros of the 2019 lineup, I see that Apple offers different (non-overlapping) CPU choices depending on whether I start out with the 2-port or 4-port ...
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Mail.app and accountsd are taking op all CPU Mac OS 10.15

I have suddenly (did not see when it is happening and when it is stopping) CPU peaks, which is coming from Mail.app and accountsd all together i did a screenshot of the activity monitor as well as ...
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Why is Chrome aggressively consuming CPU cycles?

I literally have 0 tabs open, and yet Chrome is consuming a very significant amount of CPU resources, and quickly draining my battery... Why?
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Serious Performance Problems using Expose in Catalina

Summary I am having a problem where using Expose to drag a window from one Space to another causes an enormous slowdown that looks almost comical - like the machine turns into a ouija board and load ...
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CPU Not completely Utilized in large workload

I have a Macbook Pro with a i9 Processor and running Macos Catalina. I run CPU extensive tasks daily, but it never utilizes 100% of the CPU. I use Intel Power Gadget to check out my CPU performance. ...

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