Questions tagged [performance]

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

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Limit mac CPU frequency without disabling Turbo Boost?

Intel mobile CPUs now have a really low base frequency and a high Turbo Boost freq, e.g. i5 2.4~4.1 GHz. Turbo at 3.8+ makes it go all the way up to 100°C. Using 'Turbo Boost Switcher' to disable TB ...
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3answers
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With a data transfer of 50 GB estimated 5 hours, are USB-C claimed speeds inaccurate or to blame?

When I bought an 2017 MBP I was under the impression (from Apple and others) that USB-C was the superfast way to transfer data. It has not worked out that way and I am wondering if I misunderstood ...
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1answer
30 views

2.7GHz Intel Core i7 vs 2.6GHz 6‑core 9th‑gen Intel Core i7 [closed]

I have a 15" 2016 2.7GHz Intel Core i7 MacBook Pro. It has 16GB 2133 MHz LPDDR3 and a 1TB SSD. I'm considering upgrading to the latest MacBook Pro, which has: 2.6GHz 6‑core 9th‑gen Intel Core i7 ...
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1answer
25 views

iPad: Battery usage while using split screen vs single app in foreground

What’s the difference in battery usage for the two situations while running apps on an iPad? Split screen with app X and Y. Only app X or Y in foreground. Since screen usage is same for both, only ...
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Can the 2019 MBP 13'' i7 16gb support a (flawlessly) 1440p 165hz monitor? [duplicate]

I have a 2019 MBP 13'' with i7 quad 8th and 16gb ram, and I am considering buying a 1440p 165hz Dell to pair with it. This has a displayport port only. I am looking for flawless performance, no ...
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1answer
29 views

What could be the cause? I/O completely died. Constant spinning, even logging in takes forever

iMac 5K, late 2014 model. The weirdest thing happened yesterday. This machine is usually very performant — 8GB ram, 3TB Fusion drive. I dual-boot Windows on it using Boot Camp. As of now, I still ...
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24 views

How to optimize Mojave for inside a VM?

This may sound like possible duplicate, however it's not. The focus of the question is very specific to OS version macOS Mojave 10.14, with a very specific goal in mind explained below. The host OS ...
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2018 MBP Network Throughput decreases over time [duplicate]

Summary I was recently provided with a 2018 MBP by my employer. The network throughput slows gradually until I'm forced to reboot. Setup The following machines are connected via wired ethernet to a ...
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18 views

CPU frequency very low during high disk I/O and more aggressive fan policy

model: MacBook Pro 15-inch 2018 macOS: Mojave 10.14.5 CPU: Intel i7-8850H Recently, I've observed a significant slow-down of the macOS during high disk I/O. Sometimes the CPU frequency would be ...
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2answers
124 views

Does running both (XCode & Android Studio) at the same time overload my MacBook Air with only 8 GB of Ram

This IDE is for the Automation Testing Purpose. Along with Appium Server, I need to run the Emulator of Xcode's iOS Emulator and the Android Studio's Emulator. Does this Run smoothly in the 8GB RAM ...
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2answers
135 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?
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1answer
95 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 ...
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1answer
69 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?) ...
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1answer
187 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 ...
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1answer
201 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). ...
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2answers
125 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
21 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 ...
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1answer
30 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 ...
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1answer
44 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 ...
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1answer
55 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 ...
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1answer
154 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 ...
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1answer
1k 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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1answer
372 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 ...
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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 ...
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1answer
518 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 ...
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2answers
120 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 ...
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2answers
43 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 ...
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2answers
79 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 ...
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0answers
38 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 ...
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1answer
16 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 ...
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81 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 ...
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1answer
29 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 ...
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1answer
464 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 ...
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1answer
39 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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0answers
391 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 ...
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1answer
45 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
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1answer
238 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 ...
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1answer
82 views

Can a “normal” user see all processes with htop?

Can I see all processes with "htop" or does it make sense to use "sudo htop" ? I use htop in the terminal (installed via brew / homebrew). My useraccount on the macbook is a default user no special ...
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0answers
209 views

My Passport Ultra transfer speed

I bought this device to replace an older HP external drive. This WD drive comes with a USB 3C cable and a USB 3 adapter. Im using it on a MPB - USB3 port. WD will only give me "theoretical" speed ...
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2answers
2k views

Would MacBook Air 2018 handle a constant run of a Windows VM for the Development

My work involves having both Mac and Windows on a laptop. While I need Mac for Xcode, I do some ASP.NET stuff tightly coupled with the Windows ecosystem. I wonder if a MacBook Air CPU with 16 GB RAM ...
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0answers
742 views

Mid 2015 retina MacBook Pro: Startup slow after SSD Upgrade

I've recently upgraded my Mid 2015 retina MacBook Pro's original 500 GB SSD to a 2 TB Samsung EVO 970 NVMe M.2 coupled with a recent model Sintech SSD adaptor. I am running macOS High Sierra 10.13.6. ...
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1answer
84 views

Is it faster to resize a Time Machine partition, or completely wipe it and back up again from scratch?

I have a ~500GB Time Machine partition I'd like to shrink slightly. My internal source partition is around 400GB. Resizing the partition would be extremely slow, since Disk Utility has to check all ...
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0answers
232 views

GUI unresponsive or slow, but CPU and RAM healthy

I've go two MacBooks: MacBook Air, 11-inch, 2013, running 10.11.6, 8GB RAM, 1.7 GHz Intel Core i7, integrated graphics MacBook Pro, 15-inch, 2018, running 10.13.6, 32GB RAM, 2.9 GHz Intel Core i9, ...
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1answer
35 views

How to diagnose slow file transfer performance?

I just bought a brand new MacBook Pro and am transferring files from a brand new external SSD hard drive. Performance is much lower than I expected. The picture is showing ~44 MBps, which has been on ...
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1answer
65 views

How to change Open/Save dialog speed

Open/Save dialogs on my Mac (macOS 10.14.1) delay about 0.5 to 1 seconds. How do I change this delay to zero seconds?
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1answer
677 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 ...
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0answers
105 views

How can I troubleshoot my slow 2015 Early MacBook Air 13" laptop?

I have a 2015 Early MacBook Air 13", 1.6 Ghz, 4GB RAM, 128GB SSD (with 90GB free space) running macOS High Sierra 10.13.6. When I'm using Safari with only 4-5 windows open, it slows down. I have to ...
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0answers
215 views

Slow animations/graphics after waking from sleep or sometimes at random

Product: Model Name: MacBook Pro Model Identifier: MacBookPro11,4 Processor Name: Intel Core i7 Processor Speed: 2,2 GHz Number of Processors: 1 Total Number of Cores: 4 L2 Cache (per Core): 256 KB ...
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2answers
4k views

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

Update (2019): The issue still persits even in macOS Mojave, tried everything I could find, nothing seems to solve the issue as of yet! Problem: com.apple.hiservices-xpcservice hangs repeatedly ever ...
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1answer
49 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 ...