Questions tagged [performance]
Questions dealing with performance of Apple hardware or software, especially about troubleshooting or improving poor performance.
1,567
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iMac 21" i3 very slow even on clean install of OS
A friend has a 21" i3 iMac 2019 with 8Gb RAM and it's horrendously slow. He's had Apple Support and Geniuses look at it and they cannot find a problem. The only extra software he has is Photoshop ...
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Kernel Task + VTDecoderXPCservice consuming inordinate memory when watching a Discord stream
I like to use Discord as a screen-sharing app with my friends, but when I'm watching a
Discord stream it brings my Mac to its knees, causing other applications to become very unresponsive. This came ...
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Can I fix browser apps that deprioritize code running off screen on inactive space on macOS?
I left Chrome browser working on a task in one space and go to another. When I come back I see that Chrome task that were not visible made less progress than it would done if I stay in that space.
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Is it faster to transfer data if I connect an external SSD to mac thunderbolt USB-C rather than to mac USB-A (if my mac only has 1 USB-A port)?
I have a mac mini, and an external SSD that only has a USB-A port.
So, currently, I use a USB-A to USB-A cable to connect the SSD to the mac to transfer data.
Now, if I use a USB-A to USB-C cable to ...
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iPad Pro Gen 3 (2018) Effective USB Bandwidth
I have a rather unique P2P network configuration between an ASUS GU603HM and an iPad Pro 3rd Gen (2018). I'm using usbmuxd to establish an IP over USB connection between the two. I've also tried the ...
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Slow iMac OS version 13.0.1 - storage discrepency - need advice please
My Mac desktop is running incredibly slow and takes forever to open files and apps. My adult son is very tech savvy, but is not an Apple expert. Any advice based on his input here:
Verified total ...
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My iMac takes more than 30 minutes to start after a restart
I have an iMac, 2019 with 14.3.1 MacOS. I use to keep it on Sleep, but from time to time, I need to either restart or shutdown. Whenever I do this, no matter if I chose to reopen the apps or not, it ...
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Macbook air 2017 is responding very slowly
I have a Macbook Air 2017 and it became very slow after I installed Monterey in August 2022.
I reinstalled macOS twice and also formatted the disk completely. There is no overheating issue at all, but ...
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What hardware differences between a Mac Studio and a MacBook Pro might cause differences in performance?
I’m in the enviable position of having a nice wad of cash to spend on a new Mac setup. Since Tensorflow and PyTorch are now both supported by Metal, at least on my 16gb MacBook Air M1 I’m more than ...
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Why is ZFS having such an impact on my iMac?
I installed the OpenZFS on Mac v2.2.2 package for Big Sur 11.7.9, gave it access through the Security Preferences, and rebooted.
I used diskutil to erase an external SSD drive I'm testing with. When I ...
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Ridiculously poor performance of my M1Pro in Geekbench score and heavy tasks
I recently purchased a second-hand M1 Pro MBP 14", and when running heavy tasks its performance is ridiculously poor - several cpu-cores are not engaged, for example.
I then ran Geekbench 6, and ...
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2020 M1 Macbook Air having random CPU spikes when using browser
I've noticed that every few minutes my CPU spikes to a 100% (sometimes even higher) whenever I'm using my browser. This happens randomly, but it usually happens when I'm trying to click on something ...
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Why every app that is using iCloud Drive is stuck on iPadOS 17.4.1?
I have been having this kind of issue since Friday evening (2024.04.05).
It all started with the Files app not responding (not showing deleted/updated/downloaded... files), then it propagated to other ...
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Why isn't Mojave using swap despite high memory pressure?
I regularly receive the "your system has run out of application memory" alert, then the dialog box pops up to quickly kill any offending application before the OS crashes.
However, unlike ...
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What web site can I visit from Safari on my iPhone that will drain the battery the fastest?
Sometimes I need to drain the battery to zero. I can search for apps that are designed to do this, but I'd like to do it with a web site instead. What sites are designed to do this?
Barring that, what ...
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