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Questions tagged [performance]

Questions dealing with performance of Apple hardware or software, especially about troubleshooting or improving poor performance.

2
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0answers
30 views

com.apple.hiservices-xpcservice results in frequent hangs and freezes in my mac

Problem: com.apple.hiservices-xpcservice hangs repeatedly ever since I upgraded to macOS Mojave 10.14.1. Now,everytime the process hangs it is indicated by red colored fonts in the Activity Monitor. ...
0
votes
0answers
17 views

kernel_task crippling my Macbook (Macbook Pro 2012, Mojave)

The kernel_task process is using a significant amount of CPU on my MacbookPro9,2 - running Mojave. It seems a lot of the solutions available work only for earlier Macbook versions or macOS versions. ...
1
vote
1answer
20 views

Apple Watch: Is Apple Watch series 3 wireless speed faster than Apple Watch series 1?

One of the problems I have with Apple Watch series 1 is the connection speed. Sometimes it takes a while for the weather, events near me or apple map to appear. I assume this is because of the ...
0
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0answers
14 views

Mac Pro Late 2013 OS 10.13/10.14 - quad monitor - jumpy mouse high lag and stuttering

I am running Mac Pro late 2013 32GB RAM, 3.5GHz 6-core Xeon E5, AMD FirePro D500 3072MB, 1TB SSD (OWC Aura Pro X). Every morning when I get in, after the machine has been running for +>24 hours, the ...
1
vote
1answer
40 views

System spiking CPU usage (causing 6000+ rpm on fans)

Im running a mid-2012 macbook pro on 10.9.5. I've been having massive lag spikes over the last few weeks which have gotten more consistent and prevalent the last day. I have been wearing this macbook ...
2
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0answers
37 views

Is having too much stuff on the Desktop still a performance killer? [closed]

See for example This article Or this one Or this one Now, the answer to this question seems to suggest that the problem is icons on the desktop needing to be repeatedly redrawn, but the articles ...
0
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0answers
23 views

How to improve Parallels disk access on PCIe SSD?

I am running High Sierra and a PCIe AHCI SSD and the latest version of Parallels Desktop 14 running Windows 10. My SSD benchmarks at around 1,060MB/s read and 800MB/s write on the Mac. However, in ...
3
votes
1answer
48 views

Is a 2008/9 Mac Pro cluster a viable option to a 2018 iMac?

So I can decide whether to use a small cluster of older Mac Pros or a single modern iMac assume I have a problem which will execute adequately in G gigabytes of RAM, and that the problem can use ...
0
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0answers
23 views

Does it make sense to change thermal paste on old MacBook Air?

I have an old MacBook Air 13' 2011. I'm not particularly facing any critical heating issues, although during high load temperature can go as high as 90-100 °C and aluminium case becomes so hot, it ...
2
votes
1answer
83 views

Apple Samsung 512 GB SSUBX SSD: Half as fast in MacBook Pro 15“ 2015 than in MBPR 13” 2014?

I have an Apple Samsung 256 GB SSUBX SSD which when installed in a 13" MacBook Pro Retina 2014 delivers 1,300-1,450 MB/s Read-Write, whereas when installed in newer 15" MacBook Pro Retina 2015 only ...
0
votes
1answer
54 views

MacBook Pro with shot battery, possible to prevent CPU throttling?

I have a late-2013 MacBook Pro 15" which still has the original battery. It's at 1,144 charging cycles, and a few days ago the battery health was at about 50%, though since then it plunged to 4%. The ...
3
votes
2answers
71 views

My MacBook is slow recently. How do I fix this?

My MacBook has become very slow recently and not because of any software update. But it just became suddenly slow. Logging in to my account takes 2 minutes and even opening a terminal window takes a ...
2
votes
0answers
59 views

loginwindow high CPU usage

I have simple zsh script which executes the following code at a regular interval. spotify_track=`osascript -e 'tell application "Spotify" to name of current track as string'`; This is causes ...
1
vote
1answer
76 views

CPU speed of the Macbook Pro Retina downclocked

I've a MacBook Pro 15" late 2013. For a long time I have encoded videos with handbrake and the CPU was very hot for hours. The clock speed was about 2.8GHz (I have the 2.3GHz model) and the ...
0
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0answers
20 views

Can I cure Log-in stalls on high Sierra?

I have a MacBook 2017 running high sierra. It has been logging in well for two days, but this last time the status bar completed and then just stayed that way without logging in. I waited 10 minutes ...
0
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0answers
38 views

Which MacBook pro model (see body for comparison) would have faster render times when cutting/colour grading 4K video files for at least 3 hours?

A mid 2015 15" MacBook Pro 2.2GHz Intel quad-Core i7-4770HQ, 16Gb ram with Iris Pro 5200 graphics card or A mid 2017 13" MacBook Pro 3.1GHz Intel dual-Core i5-7267U, 8Gb ram with Iris Plus 650 ...
0
votes
1answer
39 views

MacBook Pro (Mid 2014) 4k external displays performance

I was using my MacBook pro for years with two external full HD displays without a problem. Recently I switched to two 4K displays and since then fans in my MacBook spin all the time when when hooked ...
3
votes
1answer
752 views

Which OS should I downgrade to?

I recently bought a 2nd-hand iMac which has the following specifications: iMac (27-inch, Mid 2011) Processor: 3.4 GHz Intel Core i7 Memory: 16 GB 1067 MHz DDR3 Graphics: AMD Radeon HD 6970M 2048 MB ...
2
votes
0answers
1k views

Very slow SMB on MacOS with 10G network

We have a 10 Gigabit network with a mix of Windows 10, Linux and MacOS (Sierra 10.12.6) machines. The transfer speeds between the Windows or Linux machines are OK: between 500 and 800 MB/s for big ...
0
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0answers
14 views

How to get min FPS in macOS

I'm trying to find out how to get minimum FPS (frame per second) values in macOS, to measure lag in an application. I'm debugging a webpage in Chrome, however I cannot use the built in FPS meter as ...
0
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1answer
211 views

Dual monitors Dell P2415Q 13" MacBook Pro 2018, 2.7 GHZ Quad Core i7, 16gb RAM, 256gb SSD [closed]

I'm looking to buy dual Dell 4k 24-inch P2415Q monitors for my new 13" Macbook Pro 2018. I'm concerned about iGPU performance. Has anyone already tried to run dual 4k monitors on 13" Macbook pro ...
3
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0answers
109 views

Macbook performance issues with browsers

I have a MacBook Pro from 2013, and I'm having issues in both Chrome and Firefox - both are slowing down to a crawl, and when I check Activity Monitor I have multiple processes (in all the 'tabs' at ...
2
votes
1answer
107 views

Is High Sierra noticeable slower than Sierra?

I I have a macbook pro 2012 15" i7 (quad core) with a SSD drive and 16G RAM. Last night I've updated from Sierra to High Sierra and I've noticed that everything seems to be kind of slow. Before the ...
1
vote
1answer
26 views

Virtual Machine vs. Remote Desktop performance on 2012 MBPr

MacBook specs: i7 2.3ghz processor 256gb SSD 16gb RAM Intel HD graphics 4000 I am trying to write, compile, and run c# windows form apps on my Mac, and I'm having little to no success. I've done ...
1
vote
1answer
44 views

Is there a keyboard shortcut to organize or align two finder windows?

I know that there were some 3rd party apps that could do this in the past, but with each new version of Mac OS X, it seems that many of those 3rd party apps stop working or the project ages and loses ...
1
vote
1answer
66 views

Macbook Pro extremely slow when using video chat

My Macbook Pro, running on High Sierra, gets extremely slow whenever I'm using video chat. It happens both when using Skype and Zoom. Under normal conditions it's fast and smooth, but as soon as I use ...
1
vote
1answer
43 views

Can Firewire 800 network interfaces be bonded?

I've got a few 2009 and 2010 Mac Pros and realized that the Firewire 800 ports are just sitting there going to waste. I currently use 2 bonded ethernet ports on an additional card to facilitate some ...
2
votes
1answer
565 views

Windows 10 VM Freezes in Parallels 13 - Windows 7 VMs are OK

For years I have run Windows 7 VMs using Parallels on the Mac without any problems I have recently virtualised a Windows 10 laptop to a virtual machine using the Parallels tools - this VM freezes ...
1
vote
1answer
83 views

Why is Adobe Acrobat using only one core for a heavy task, and how can I make it perform faster?

Adobe Acrobat is performing Optical Character Recognition on a document with thousands of pages. This is a heavy task which will take hours. Activity Monitor tells me that Acrobat is only using one ...
2
votes
0answers
253 views

Disable Intel SpeedStep on a mid-2015 MBP w/ High Sierra w/ kernel_task issue

Please note I've read every other thread about this issue, and none of the suggested solutions work, primarily because they either refer to older OS versions or to removing machine profiles in ...
1
vote
2answers
297 views

Why my 2009 macbook pro is faster than my 2017 retina iMac?

A couple of years ago I bought a used macbook pro from a friend of mine, I knew it was a good deal cause the mbp was modified and had very good response and performance, the specs of this mbp are the ...
1
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0answers
34 views

What could cause a huge spike in Unix System Calls for a process and how to debug

Computer Stats Mac mini (Late 2014) 2.8 GHz i5 8 GB RAM 10.13.5 High Sierra (upgraded from Sierra this week while debugging this issue) Background I recently noticed that a certain tab in Chrome ...
1
vote
0answers
58 views

number of pg_ctl processes keep increasing on macos High Sierra

After approximately one day of system uptime, my MacBook Pro runs extremely slow. I am running macOS 10.13.5 and Activity Monitor shows ~70% idle cpu usage and the memory pressure is on green but ...
0
votes
2answers
39 views

Can i swap memory modules between mac

I have 3 mac's Mac Mini 2.4 GHz Core 2 Duo , 2GB 1067 MHz DDR3, Macbook pro (15", Early 2011), 2GHz Core i7, 4GB 1333 MHz DDR3 Macbook Air (13" Mid 2012), 2GHz Core i7, 8GB 1600 MHz DDR3 Is it ...
2
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0answers
46 views

Ffmpeg: Arguments for optimizing video stream?

I'm using FFmpeg from a Debian machine on my local network. This machine is listening from incoming streams: $ ffmpeg -i udp://192.168.1.3:8080 /path/to/out.avi And from my MacBook, sending the ...
0
votes
0answers
154 views

Very low performance with dedicated GPU in bootcamp

I have a late 2012 model MacBook Pro with the Nvidia GeForce GT650M and Intel HD 4000, and it's getting ridiculously bad performance in all games I tried to play. I know it's not a high performance ...
3
votes
0answers
179 views

Parallels 13 internet speed is slower than the MacBook pro speed

How do I get the internet speed on the virtual machine the same as the Mac book internet speed? The Mac speed is 300-400 and the virtual machine is 70-120.
2
votes
1answer
67 views

How to determine why my Mac temporarily freezes?

Every couple days, my Mac will simply freeze for several seconds to a few minutes. Any audio stops playing, and the mouse stops responding. Then it's back to normal. The 99.9% of the time it's ...
1
vote
1answer
205 views

Does my Macbook Pro 15" Late 2013 Geekbench 4 score indicate a faulty discrete GPU?

According to my Geekbench 4 results, my discrete GPU Open CL score is ZERO. Additionally, my discrete GPU Metal score is lower than that for the Iris Pro! Does this mean my duscrete GPU is faulty? ...
69
votes
5answers
20k views

A tech from MacKeeper wishes access to my computer for licensing and activation. Is this a scam?

I paid for a version of MacKeeper which may be a mistake. Their tech wants me to allow them to access my computer as in have access to my desktop files, etc. They say it is to fully license and ...
11
votes
1answer
3k views

sharedfilelistd and distnoted hog CPU

I understand from my findings on the topic that sharedfilelistd is an "agent that is used by applications to read/modify recent documents/servers/hosts" and distnoted a "distributed notification ...
2
votes
1answer
165 views

Protecting iMacs from high humidity

I am moving to Costa Rica and want to take both of my iMacs. Humidity and salt air are a problem. Will leaving the iMac running help to keep humidity out of the unit? I see only one vent; maybe a ...
1
vote
0answers
52 views

How can I optimize for file sharing on my Mac Mini 2014 (High Sierra 10.13.4)?

I'm running a Mac Mini 2014 with High Sierra (10.13.4) and am experiencing some lag, since adding a pair of Thunderbolt RAID drives. I've also added 25 or so SMB sharing users. Only a few users are ...
1
vote
0answers
437 views

MacBook Pro 15" 2015 CPU throttles down to 0.8 GHz

My MPB has had this problem for years every time the ambient temperature gets a bit warmer. It starts in the spring and gets ridiculous during the summer. The MBP clocks down its processor to 0.8 GHz,...
0
votes
0answers
32 views

Underclock retina iMac [duplicate]

My iMac is wonderfully performant, but under extended load it sounds like a hive of angry bees. I am using Turbo Boost Switcher to avoid using up all the CPU headroom, but for multithreaded ...
2
votes
1answer
40 views

Why my macbook 2015 13 inch hums when working with latest Xcode?

What may be the cause of this? It happens every time when I build the app on either simulator or device. Should i clean sth or reset my harddrive? using High Sierra and Xcode 9.2 EDIT: It is ...
4
votes
1answer
158 views

What is the benefit of macOS dropping support for 32-bit software? [closed]

It has been hinted at in the past but now we're starting to see solid notice from Apple that it is dropping support for 32-bit macOS programs in the near future. While I can see how this makes sense ...
8
votes
2answers
211 views

Why is Illustrator throttled to 2% speed when it's in the background?

I regularly run a .jsx script in Adobe Illustrator that saves a bunch of files in a particular format. while Illustrator is the active app, running the script on 5 files takes 23 seconds. When ...
0
votes
1answer
2k views

Free up unused memory from kernel_task

I am a web developer, and sometimes I encounter software bugs that has runaway threads or used up available memory in a browser process. Terminating the offending Chrome process will free up the ...
0
votes
2answers
38 views

Slow initial window app opening when using “open with” or “drag & drop”, but not file selector?

I use an app that can accept files a few ways: open and then use its own file select dialog "open with" from Finder "drag & drop" from Finder Method 1 is fine and the app responds as expected. ...