Questions tagged [performance]
Questions dealing with performance of Apple hardware or software, especially about troubleshooting or improving poor performance.
813
questions
0
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0answers
22 views
How to tell what Safari tab requires high performance GPU?
I'm experiencing lower than expected battery life on my 2015 Macbook Pro. I believe that part of the problem is that the High Performance GPU is being activated when not needed by some tab in Safari:
...
0
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0answers
11 views
macOS on external monitor slows down after few days
This one is a long one, but I want to make sure the situation is clear :)
I have MacBook Pro (15-inch, 2019, Intel Core i7 6 cores 2.7GHz with Radeon Pro 555X 4 GB and 16GB RAM) connected via ...
2
votes
1answer
43 views
What exactly happened with Apple throttling iPhones? [closed]
I'm doing a business report on Apple Inc. and I'm on the legal issues section and I have to list and describe a few recent (last ~5-10 yrs) issues/lawsuits that the company faced. So far a major one ...
0
votes
1answer
37 views
Get notifications for high CPU usage
My new laptop has an M1 chip and no fan, and this is great, but it also makes it hard for me to find out when the CPU has been running high (and consuming more battery than usual).
How can I make it ...
0
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0answers
28 views
Does deleting a game and reinstalling it over and over can harm the gameplay on IOS devices? [closed]
I’m currently playing games on my iPhone 8+ device and I deleted and reinstalled the same game few times. Now I’m wondering if each time that I’m deleting the app the performance of the game is ...
0
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0answers
29 views
How to force Swap to be on non-OS volume in Big Sur on M1 systems?
I'm running macOS Big Sur on an external drive and would like to use the internal (integrated) SSD for virtual memory (paging) only. The bandwidth and latency of these internal drives seem to make ...
1
vote
0answers
26 views
Why is my iMac slowing down under multiple users?
Hardware: I have a 2014 iMac 5K. It's got 24GB of RAM and a 2TB SATA SSD I installed myself last summer. Full specs here: https://support.apple.com/kb/SP707?locale=en_US
Software: Catalina 10.15.7 is ...
0
votes
0answers
31 views
Process throttled after exceeding limit of 150 wakeups per second
I have a process that crunches through some data, running more than 12h. Often it completes without issues but sometimes it slows to a crawl as if it is being throttled. The CPU is close to idle after ...
1
vote
2answers
56 views
Slow transfer between two external drives
Copying data to a USB external drive is much slower than expected.
I have a 6TB external RAID drive that holds my photos, and I'm trying to do an archive copy of this data to another external USB ...
1
vote
0answers
37 views
Does serverperfmode work on Apple Silicon Macs?
Is it possible to enable serverperfmode on an Apple Silicon Mac?
I am using an M1 Mac Mini on macOS 11.2, and following Apple's instructions. I enabled serverperfmode=1 in the NVRAM boot-args, and ...
2
votes
1answer
29 views
CPU and RAM usage statistics for iPhone/iOS (similar to Activity Monitor)?
Is there any (preferably free) way to view CPU and RAM usage by process (e.g. app) on iPhone without jailbreaking the device?
Activity Monitor on macOS displays
Process Name
% CPU (per core I believe)...
9
votes
4answers
714 views
How can I tell if all USB-C ports on a 2020 M1 MacBook Pro are the same speed, or if one or more will be faster than others?
I'm doing some heavy copying of files, and wish to do it via the fastest USB-C connection possible.
I tried holding option and clicking on the apple logo on the very top left, then going to System ...
0
votes
1answer
156 views
WindowServer and kerneltask using a lot of CPU in Big Sur
I have seen these two questions
WindowServer high CPU usage, spikes when moving cursor on M1 MacBook Big Sur
MacBook Pro - High CPU Under Low Workload
and I have the same problem with WindowServer on ...
2
votes
1answer
65 views
Reinstall MacOS or/vs Reformat?
My current install of Catalina has gone a bit wonky. Every other time I start it up it displays the circle with a line through it, so I do a hard restart and it will then boot into Catalina.
I'm ...
1
vote
1answer
37 views
error code 4SNS/1/40000000:VDOR-17.546
i have some questions about my
Macbook pro late 2011 nacOS High Sierra
8 gb ram with 750 gb HDD
Q1: my mac performance slow, i do a test and got 2 codes 4SNS/1/40000000: VD0R-17.552, 4SNS/1/40000000: ...
0
votes
1answer
263 views
MacBook Pro (16-inch, 2019) thermal issues
A few months ago I got a 16-inch MacBook Pro (A2141) with 32GB ram and Core i9 (I9-9980HK) 2.4 GHz processor.
My problem is that that it overheats very quickly and drop the performance of the CPU to ...
0
votes
1answer
12 views
Bandwidth throttling / simulation for selected host
I can control the network for the whole device with Network Link Conditioner but is there a way to do it just for selected hosts? I know that with /etc/hosts I can totally block connection to a host, ...
1
vote
2answers
111 views
Will an iPad with more RAM experience fewer app suspensions? [closed]
My workflow requires me to frequently switch back and forth between Google Docs and other apps and this leads to my Google doc being repeatedly closed.
My understanding is that the cause is “app ...
0
votes
1answer
16 views
Principle of resolution scaling via External monitor (GPU performance)
I will demonstrate my idea on a 4K monitor, there are 4 options:
Native 4K
1692p
1440p
1080p
From What I undersrand, the 4K and 1080p should be on par when it comes to the GPU demands as the 1080p ...
0
votes
0answers
14 views
Catalina - Activity Monitor shows no result for Safari tab energy impact
The Activity Monitor shows Safari consuming 20pts/percent of my 12 hour average energy consumption, but when expanding the entry to see the individual performance of each tab, the result is 0.00?
Is ...
0
votes
2answers
459 views
High CPU usage in Chrome/Opera
When I open 1-2 tabs with sites that have many images (e-shop as an example) the CPU usage gets to 100% for Chrome/Opera/Firefox.
What I've tried:
Reset Chrome to default settings
Disabled all ...
1
vote
0answers
50 views
Why is webdavfs_agent consuming 100% of CPU?
I'm getting very high CPU usage whenever I access a WebDAV shared drive (in Mac OS Big Sur v11.1, running on a 2019 MacBookPro 16").
My employer uses a WebDAV server for shared files, and I ...
1
vote
0answers
225 views
MacBook Pro - High CPU Under Low Workload
I've got the MacBook Pro 16" 2019 (2.3 GHz 8-Core Intel Core i9, AMD Radeon Pro 5500M 4 GB). Since upgrading to macOS Big Sur, I've been experiencing an issue whereby the system will become ...
7
votes
10answers
6k views
How to determine if my 2015 MacBook Pro can still handle current workloads?
I work in a company since 2015 and when I joined I was handed over a new MacBook which was the latest at that time i.e 2015 Mid model i7 16GB Ram. This company does not have a rotation policy for the ...
0
votes
0answers
19 views
iris pro graphics 1536 allocated memory is always full on my macbook 15 2015
I am having a problem with my second-hand MacBook pro 15 2015, I got it second hand and already updated to big sur 11.0. the problem I have is jankiness in web scrolling and a lot of times, I get lags ...
1
vote
1answer
89 views
How to make my iPhone 7 faster (at least decent)
I have iPhone 7, with the latest iOS. It was slower and I thought it was because of many apps. I formatted it and use essential apps but it has not made it faster. Last year I had its battery changed ...
1
vote
0answers
34 views
macOS Mojave is randomly becoming slow, unable to start/close programs
Is there's way to live disc of mac on an usb or to partially reset an mac to default drivers or perform the equivalent of doing a system refresh without reinstalling an mac?
To give some context, my ...
1
vote
0answers
29 views
Performance effect of dual-booting with APFS partitions
I have a 2013 iMac with a fixed disk, not an ssd. For unrelated reasons, I dual-boot it with two separate copies of macOS Catalina that share space in the same APFS container. Without knowing much ...
1
vote
1answer
126 views
5GHz WiFI speed much slower than on 2.4GHz on my Macbook air 2017
I just setup my new Xiaomi WiFi MiRouter 4A gigabit edition router but my Macbook has only 3MBs speed of uploading while on 2.4GHz speed is 60MBs. Also on iphone and other devices is almost 200Mbs ...
0
votes
1answer
282 views
Ways to make Big Sur run faster? [closed]
Some users report Chrome and Firefox being slower on Big Sur
On a 2019 MBP 13 (16GB) ... everything is noticeably slower ... even native apps like Preview
This reflects my experience.
Other than ...
2
votes
0answers
633 views
Varying performance with M1 MacBook Pro 512GB SSD
As I look around the web, I see the M1 MacBook Pro with 512GB SSD seems to attain 2800-2900MBps read/write speeds in BlackMagic disk speed test.
On my machine, after a number of days and trials, I ...
0
votes
1answer
52 views
MBP 16" i9 (Late 2019) Possibly Overheating [duplicate]
I just got a 2019 MBP 16" Model with 2.3 GHz i9 (turbo to 4.8GHz). When running simulations in MATLAB I have noticed the fans to spin quite loudly, and the CPU temp is rising very high. I have ...
0
votes
0answers
11 views
“Usernoted” process eating all my cpu [duplicate]
What is this process and how can I get rid of it? I ran antivirus etc but without any success. Terminating it in the activity monitor won't change anything.
Sampling process 416 for 3 seconds with 1 ...
2
votes
0answers
68 views
Why do some programs start with a one minute delay, and how to fix it?
Last week, my Mac running 10.15.7 became slow: starting apps took a long time. This is the case for both UI and console programms. After some analysis, I found out that
In most cases, program startup ...
0
votes
0answers
75 views
syspolicyd taking large amounts of CPU, inactive RAM
Recently I noticed my CPU and temp would spike about every 10 minutes, and found the culprit to be syspolicyd. It adds about 50% of my RAM as inactive as well.
I updated the operating system and any ...
2
votes
1answer
225 views
Is there a difference in performance between a the default scaling option and selecting a resolution?
I just got a new 27" 4k monitor. At default resolution, text and menu items are too small for me to be usable. In the display settings, there are options to "Scale" the resolution, but ...
2
votes
1answer
188 views
How can I monitor MacBook USB bandwidth?
I have a late 2017 MacBook with the latest Catalina. Using two Anker USB extenders, I have devices in pretty much every port, including six large external hard drives, a webcam and an external SD card....
2
votes
1answer
73 views
How to benchmark a NAS from a Mac (Neither fio nor bonnie++ work)
I want to test the performance of a NAS before and after I change its setup. I have found two tools for this, fio and bonnie++.
The problem is that they are both broken on Mac right now (and have been ...
0
votes
0answers
78 views
Macbook Pro 16 inch CPU clock oscillating and graphics lagging
EDIT 3: It's nothing to do with which GPU the system is using. The thing that seems to be triggering the failures is wifi. If I switch wifi off from the Apple menu then the CPU ramping stops, the ...
1
vote
2answers
332 views
macOS Catalina RAM usage - 2GB at boot?
I am trying to understand why my almost factory settings 13-inch MacBook Air 2017 with 8GB RAM available takes 2.3GB to just boot. The result is that if I start having Chrome+Dropbox+something to ...
0
votes
0answers
26 views
How do I optimize a Macbook Pro to run a particular tab of Chrome?
My work involves running a specialized Web application. I'm using Google Chrome on a Macbook Air laptop with 8 GB of RAM. With gmail open in one tab and this app open in another Chrome window, my Web ...
0
votes
0answers
125 views
Severe input lag for mouse and keyboard
I have a small problem with my mac. I'm currently restricted to game on my Macbook Pro (13"/2017/i5/iGPU iris 640/16gb) with macOS 10.15.7.
I can't do Bootcamp on this machine for disk-space ...
1
vote
3answers
327 views
Mac Becoming Extremely Unresponsive After Updating OS (Low CPU Usage)
I recently updated my 2015 iMac to the new OS (10.15.7) and at times it becomes incredibly sluggish to the point of not being able to do any productive work. It sometimes takes 20-30 seconds just to ...
0
votes
1answer
11 views
Slowdown and lost windows when connecting/disconnecting external monitor
When I connect my external monitor, my 2017 MacBook Pro (OS 10.15) will freeze or have severe slowdown for more than a minute. When disconnecting, I often lose windows that I can't recover through any ...
1
vote
1answer
61 views
Delay in screenshots and cursor issue on MacOS after update?
I'm running 10.14.6 (18G6032) Mojave on my early 2015 macbook pro. There was some kind of software update in the past week, and I've noticed 2 issues since I updated that I suspect was due to the ...
1
vote
0answers
14 views
Macbook Pro running very slow and Power button needs to be held down for 7-8 secs to turn on
I have a Macbook Pro 13" Early 2015.I have been using it for about 3 years and was working completely fine. Few Months ago, my charger stopped working and I didn't use it for over 3 months. Later ...
1
vote
1answer
29 views
Can I run 2 16 Gig ram in my MacBook Pro (Retina, 15-inch, Mid 2015)
I am looking to increase the ram in myMacBook Pro (Retina, 15-inch, Mid 2015) 2.5 GHz Quad-Core Intel Core i7.
BANK 1/DIMM0:
Size: 8 GB
Type: DDR3
Speed: 1600 MHz
Manufacturer: 0x80AD
Part ...
4
votes
2answers
262 views
Is it taxing on the mac computers' performance to have multiple user accounts and not log out of them?
I have separated my digital life into 2 user accounts on my macbook into work and personal. In order to switch between these two accounts more easily I usually lock the screen and switch to the other ...
7
votes
2answers
3k views
Process “accountsd” has over 500% CPU usage [duplicate]
I'm on Catalina 10.15.6 on a MacBook 2019 (16-inch) and one hour ago after startup my mac started with an extremely loud fan and overheating. As Im writing this even the typing is lagging behind.
...
1
vote
1answer
431 views
slow boot (and slow EFI?) in brand new MacBook Pro 16"
I have a very new Mac and it seems far too slow to boot in both Catalina and now Big Sur perhaps it’s worse.
Device :
MacBook Pro 16 inch (MBP 16.0)
CPU 2.3 8 Core intel i9
16GB DDR
GPU Intel UHD ...
