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Questions tagged [performance]

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

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0answers
36 views

iOS 6 vs iOS 12, why is iOS 6 smoother than iOS 12? [on hold]

All the people I've met so far say iOS 6 animation is smoother than iOS 12, why is that? Are there experts who know?
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1answer
266 views

How to improve the performance of a Ubuntu Virtual Machine running in VirtualBox?

I'm using VirtualBox 6.0.4 to run a Ubuntu 18.0.4 guest on a MacBook Pro 2018 host with macOS Mojave. The MacBook host has an i7 processor and 16GB of RAM. In addition to VirtualBox, I'm running ...
3
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2answers
99 views

iMac 27" 2017 memory upgrade question

I have 16GB of RAM installed on my iMac 27" 5K i7 2017 (2 x 8GB). There are 4 slots in total and I would like to add another 16GB. I don't know if it's best to buy 2 x 8GB or 1 x 16GB?
2
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1answer
32 views

Do the MacBook Pro (15-inch, 2018) have different cooling systems depending on the GPU

I read here that the thermal throttling of the i7 and i9 on the latest MBP (2018, 15-inch) can be significant. I also got information that the cooling system is different when the MBP is upgraded ...
3
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1answer
77 views

Will upgrading to a 32 GB RAM Macbook Pro significantly speed up Adobe Illustrator?

I use Illustrator to create large, detailed pattern designs. The .AI file size of one of these designs typically exceeds 500MB. When I’m working on a large file like this, Illustrator performance is ...
4
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1answer
54 views

Does APFS reduce the needed free space on SSD's?

I've seen recommendations for the minimum amount of free space one should have on an SSD that range from 20%—33%. For instance, this answer (Can MacBook Pro get slower after SSD is almost full?) ...
4
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2answers
1k views

How to speed up an iPad 2?

My iPad 2 (32gb) is about one year old and he is getting very slow. I've tried restarting the iPad and quitting all apps but with no real success. There is about 5 GB of free storage space. Any ...
2
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1answer
150 views

How to decide which is the better browser for me: Google Chrome or Safari? [closed]

Consider that it is often said that... Safari is more battery/CPU efficient. Most people will never run across a web site that runs better on Chrome than on Safari (excluding Google explicit sites). ...
2
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2answers
49 views

How to limit kernel_tasks CPU usage?

I would like to limit kernel_task's CPU usage on my computer. I provided cooling for my MacBook Pro, cleaned out the internals, and tried resetting the SMC multiple times. I haven't tried re-...
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0answers
12 views

macOS Server VPN (L2TP) speeds choking on Mac Pro, but not Macbook Pro

I have a MacOS Server (10.12.6) set up running a VPN server at one location (site A). I have a Mac Pro (10.12.6) and Macbook Pro (10.14.5 beta 3) running at a second location (site B). Both sites have ...
142
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8answers
105k views

How to simulate slow internet connections on the mac

What's a good software solution to slow down internet connections on the mac for testing and simulations? My primary need is when testing code in the iPhone / iOS simulator, so slowing down the ...
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1answer
26 views

Can I check if the cooling system of my Macbook Pro 15" Early 2013 works as intended?

I have this model: MacBook Pro "Core i7" 2.7 15" Early 2013 2.7 GHz Core i7 (I7-3740QM) Intro. February 13, 2013 Disc. October 22, 2013 Order ME665LL/A Model A1398 (EMC 2673) Recently ...
2
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1answer
36 views

Generate and view macOS system performance report

I want to generate a system performance report for my Mac. I would like that this report have CPU, Memory, disk and network activity statistics over a time period. Like, I start the report generation ...
2
votes
1answer
47 views

cpu clock too low / force cpu clock / overclock

I have a MacBook from a few years back. When I use it write some code and browse the internet, the fans go very fast and the noise is horrible. But the temp shows only 70 C. So I used SMC to force ...
24
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4answers
18k views

Why is kernel_task using so much CPU?

I have a Macbook Pro Retina with the following hardware: Model Name: MacBook Pro Model Identifier: MacBookPro11,1 Processor Name: Intel Core i5 Processor Speed: 2.4 GHz Number of Processors: 1 ...
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2answers
1k 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 ...
0
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1answer
93 views

Which model has better CPU-performance: iMac MMQA2HN/A or Mac mini MRTR2HN/A?

In this comparison the main difference I see is in the processors. https://www.apple.com/in/mac/compare/results/?product1=imac-21&product2=mac-mini Irrespective of other feature differences this ...
1
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1answer
1k views

Transfer speed of USB-C to Lightning on latest iPad Pro 10.5

Has anyone experience or estimates on what transfer speeds are to expect when transferring data to/from the latest gen. iPad Pro 10.5 using a USB-C to lightning cable? Scenarios might be creating an ...
0
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1answer
33 views

My mac is starting slow. I know login items, CleanMyMac. What else?

My MAC has a slow start-up time (at times, 5s or more before initial black screen with Apple logo). I am aware of login items. I have used CleanMyMac. Is there anything else I should check for? Thank ...
14
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2answers
17k views

How to monitor and control thermal CPU throttling in OS X?

I recently came across the Intel Extreme Tuning Utility for Windows. I tried it under Bootcamp Windows and it was very interesting to learn in what situations my MacBook Pro's (mid2012) CPU is doing ...
3
votes
1answer
683 views

Why are my guests in VirtualBox so slow?

I have Mojave 10.14.3, running VirtualBox 6.0.4 and with Debian 9 (with XFCE) as the guest OS. I have installed the guest additions, no errors. I can verify that the usual vbox modules are running: ...
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0answers
35 views

Intel® Core™ i5-7360U Processor bottleneck for an RTX 2060 GPU

I am planning to buy an RTX 2060 GPU, primarily for deep learning. I have a MacBook Pro 13-Inch (Mid-2017 Retina Display), which has a Intel® Core™ i5-7360U Processor. I read at certain places on the ...
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1answer
4k views

How can I test my LAN speed between Mac and Apple TV?

How can I test my LAN speed when I do not have two computers? I have a Mac, an iPhone, and Apple TV. I want to see the strength of my home network. I don't care about testing my internet connection, ...
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3answers
6k views

How can I have 1805 threads when I only have 4 virtual CPUs?

I was wondering if someone could explain to me how in my Activity Monitor it says that I currently have 1805 threads But I only have 4 virtual cores on my computer (which means that I should only be ...
3
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2answers
87 views

Slow initial app window opening, but only in certain situations?

I use some apps 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....
3
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2answers
111 views

What are the ways in which installed software can negatively impact OSX speed over time?

Applications installed on macOS are not always completely self-contained. Sometimes they write files in multiple locations outside their .app bundle, taking up space that they sometimes occupy even ...
7
votes
2answers
3k 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. ...
3
votes
1answer
268 views

System slowness: How to disable or short-circuit tccd in Mojave? (slows app & subprocess startup)

There's a serious problem that's come up especially in Mojave and Apple seems to not really be interested in resolving this from my discussions with engineers in the know. It especially manifests ...
70
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 ...
1
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0answers
29 views

General computer slow-down while transfering files

I frequently need to transfer files between 10 GB and 1 TB as part of my work, typically between external drives and network servers. Whenever I transfer files, the computer slows down to being ...
1
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1answer
33 views

Mac Mini mouse icon stutters and sometimes unresponsive

The mouse icon on my Mac Mini (macmini6,2 - 10.14.1) has started stuttering. It's not always, but most often. Sometimes it's so bad the icon won't move at all and I cannot click with my Magic Trackpad ...
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2answers
38 views

How does installing XCode, Visual Studio and Unity on my mac impact my computer's speed?

Most of the time I use my mac computer for graphics design but I enjoy coding too. Since clean-installing macOS a few months ago, I avoided installing XCode, Unity and Visual Studio for fear that with ...
3
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2answers
75 views

Performance comparison iOS 12 / iOS 11?

After I upgraded to iOS 11 on an iPhone 6, I noticed different forms of performance loss: lag to start some applications, interface buttons which seems like on slow motion, virtual keyboard starting ...
3
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1answer
496 views

MacBook Pro - Install slower memory than specified?

I recently bought a a pair of DDR3-1066 SODIMMs to upgrade a Mid-2010 MacBook Pro. On the packaging for the memory, it says "Compatible with MacBook Pro: Mid-2010, Early-2011, Late-2011". However, ...
2
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5answers
20k views

Mac Mini (Late 2009) - Recommended OSX Version for it?

I have a Mac mini (Late 2009) (hw.model: Macmini3,1, 2 GB RAM) that I've got hooked on my TV primary as a "media consumption" device... but a while ago I updated it to: Mac-mini:~ javier$ sw_vers ...
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1answer
15 views

Chances Migration Assistant will improve performance of Air-2011?

I need to improve performance of my Macbook Air mid-2011. I'm considering to re-install MacOS from the scratch using Migration Assistant for that purpose. I recently migrated from original 256GB SSD ...
0
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0answers
68 views

Mojave Terminal lags with color

Last week I bought a 2018 13inch MacBook Air with Retina display running Mojave 10.14.1. I do lots of work on the terminal and have been disappointed to find that the terminal lags severely whenever ...
1
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1answer
26 views

How to avoid lags when listening to music on a Mac?

On a Mac 10.13.6 I am usually listening to music using the command line command mplayer. However, when the computer is under rather heavy load, the music sometimes stops for a fraction of a second up ...
2
votes
1answer
514 views

High Sierra performance problems - efilogin-helper taking a lot of CPU

I have a stock 2015 15" MacBook Pro, i7 / 16GB / 512GB, still runs on High Sierra because I am contemplating to do a full clean install instead of an upgrade. Performance has been deteriorating to a ...
11
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5answers
8k views

How can I simulate having a slow CPU?

I am almost done coding my webapp-game. It runs on all modern browsers. However, I want to establish some minimum requirements for it. Thus, I need a slow Mac. However, I don't have access to a slow ...
1
vote
1answer
47 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 ...
3
votes
1answer
295 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 ...
7
votes
1answer
460 views

How to limit RAM in an OSX device? [duplicate]

Related to my other question, I'm about to buy a new Mac Mini. I would like to reduce RAM to 8GB in order to see if 8GB is enough to my daily tasks in my MBP retina 15 early 2013 16GB RAM. The idea ...
1
vote
1answer
67 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 ...
7
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2answers
2k views

iPhone 6s noticeably slower (geekbench)

I have got an iPhone 6S on October of 2015. Sometime in 2016, I downloaded Geekbench 3, to benchmark the device. My baseline results are: (5 runs) Single: ~2500 (2450-2550) Multi: ~4400 Now, I ...
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1answer
74 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 ...
2
votes
0answers
262 views

Speed up FileVault decryption process

There is a reason for me (testing) to turn off FileVault encryption on the boot drive on my Mac running macOS High Sierra (long story, off topic). So, I turned it off in System Preferences. I also ...
1
vote
1answer
40 views

Why does it take so long when I click on the filename in the window title?

When I click on the filename of e.g. TextEdit, to change the file name and select where it is saved, it always take 1-2 seconds until the selector thingy pops up. That has always been like that for ...
2
votes
1answer
100 views

What programs actually use the memory on a Graphics card?

I noticed that the Graphics Card memory is hardly used at all, even during Cinebench 3D testing despite the FPS being high. What programs actually use the graphics card memory? Trying to determine if ...
2
votes
1answer
158 views

Does an iPhone battery drain faster in cold?

I have an iPhone SE and I have noticed the battery drainage is quicker when outside and in the winter. I have heard some websites and people say that batteries drain faster in cold. Is this true? I ...