Questions tagged [performance]
Questions about improving the performance, speed, and/or overall system responsiveness of Ubuntu. Note that this is a general tag, and should be accompanied by another tag indicating what kind of performance you are referring to.
1,482
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Ubuntu computer spinning on simple tasks - similar Windows computer handles same tasks easily
My home computer is running Ubuntu 18.04. I have a similarly configured work computer that is running Windows 10. Both computers are about 4 year old Dell computers. On my Ubuntu computer - when I ...
- 300
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0
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661
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Ubuntu 20.10 high CPU usage
I upgraded from ubuntu 20.04 to ubuntu 20.10 and after that, my CPU usage is very high. Moreover, if I open any application then first it takes too much time to open and then it lags too much.
I am on ...
- 1,213
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Ubuntu 20.04 LTS running slow on my hardware
Long time Windows user here. Recently I've made the switch to Linux (Ubuntu) and I've spent the past couple of weeks learning the ins and outs of the OS and customizing it to my liking. It was awesome ...
- 11
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447
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Improving the performance of a celeron machine
I got a machine running Ubuntu Mate 20.04. Unfortunately it has a crappy Celeron N2830 CPU. So the performance is sub-par.
I upgraded the machine the best I could. I installed 8Gb of RAM and a SSD ...
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1
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3k
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Slow SSD performance
I have a sata ssd which when I use on windows(dual boot) is just as advertised have a read write performace around 500MB/s, but on the other hand when I use it under ubuntu(20.4-20.10) write ...
- 93
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1
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xHCI controller failure with USB2 audio interface
I'm trying to get Native Instruments KOMPLETE Audio 1 working in Ubuntu 18.04.5 LTS with kernel 5.4.0-52-generic.
It's a regular USB2 audio interface and I'm connecting it to an USB3 port.
Except for ...
- 111
5
votes
1
answer
10k
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VERY Slow external hard drive (usb 3) write/read speeds
I noted my backups were very slow so I did a speed test using sysbench like this:
$ mkdir benchmark
$ cd benchmark
$ sysbench fileio prepare
$ sysbench fileio --file-test-mode=rndrw run
These are the ...
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2
answers
1k
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18.04 clean install very slow
I just upgraded an old Windows 7 laptop to dual boot with 18.04 Bionic Beaver. Initially, bootup was very slow indeed, but I've managed to fix that - it was something to do with the Intel GM965 video ...
- 31
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1
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69
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How to solve system UI lagging / max fan speed by leveraging dedicated Quadro graphics on Dell Precision 7510?
My laptop ( DELL Precision 7510 ) comes with a heavy-weight configuration ( Intel i7-6280hq, 32GB DDR4 ram, Quadro M200M 4GB ram, SSD 1TB with 2gbps I/O throughput ), running Ubuntu 20.04
In spite of ...
- 131
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1
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1k
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Very high iowait when using 4TB disk
I have an older PC that I use as a host for some VM and docker containers. So far the system was working fine until a few days ago. It started to be very slow and iowait in glances was consistently in ...
- 11
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310
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Raise the CPU temperature [closed]
Problem: I want to maximize the CPU usage and eventually raise the operating temperature of my CPU. My ultimate goal is to see if I can reach thermal runaway on my Linux device. This is not a full PC, ...
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492
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Game performance loss while using swapfile
Hello everyone and thanks for help in advance,
So, I recently added a swapfile (3GB) on my HDD with intention to increase gaming performance.
I configured it and got it ready for use.
My RAM is 4GB.
...
4
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1
answer
10k
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Detect and fix slow startup on Ubuntu 20.04
I'm lately having slow startup times (90sec vs 20sec in the past) since I upgraded from Ubuntu 18.04 to 20.04.
I'm on Ubuntu 20.04.1 LTS 64-bit. I'm working on a hybrid SSD (120GB) + HHD (500GB) ...
- 41
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1
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1k
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What performace issues can I expect while using Adobe XD using wine?
I am new to designing and my team uses Adobe XD only. It seems the only choice I have to use it on Ubuntu is using wine for it.
I want to know what performance issue will be there while using Adobe XD ...
- 1,213
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1
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903
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Ubuntu how to boost specific core and let the others idle
I'm using a server with Xeon 2620 v4, 8 cores.
I need to do a performance benchmark that uses 4 cores. I want the benchmark to be as stable as possible, so I turn off idle state and let everything run ...
- 103
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166
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Laggy performance 20.04
I have a mini pc, a so-called Beelink X55, with windows on it. I decided to try Ubuntu, and made a dual boot system, and all was fine. I love the look, the customizations, etc, but this thing holds me ...
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231
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Ubuntu 18.04 suddenly has become jumpy and less smooth with fan noise
My system was running fine for a few days after I installed it. But this morning there is the occasional lag of about 0.25- 0.5 seconds as I am scrolling, typing, highlighting, etc. E.g. scrolling ...
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32
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Lubuntu 16 slowand choppy in decent laptop
I have a an old laptop which specs are DualCore CPU, 4 GB RAM and 500 GB of hard drive.
So although is old, it should be waaaay more than needed to run Lubuntu. But it is not, its extremely laggy, and ...
- 276
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1
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546
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Is Swap File slower than Swap partition in Ubuntu 20.04
I am programming in python containing numpy array sizes of 200 million for one of my machine learning projects.
During the execution of the program the swap memory is also getting utilized for which I ...
- 103
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1
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552
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Ubuntu takes one whole minute to boot [duplicate]
I have a Lenovo G580 with 4 GB DDR-3 RAM and i5 3rd gen processor. I installed Ubuntu 18.04.5 LTS and it takes about a minute to boot.
Is it a problem for me?
If yes, how can I solve it? Is it booting ...
2
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4
answers
10k
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Ubuntu 20.04.1 LTS Significant Throttling of Intel i7 Processor
I have not been able get to my new laptop (An HP ZBook 15 G2 with Intel Core i7-4810MQ Quad Core Processor 3.7 GHz) to keep from SIGNIFICANTLY throttling my processors on Ubuntu 20.04.
It originally ...
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2
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2k
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Intel i7-1065G7 does not reach maximal turbo boost frequency
I have a laptop with an Intel i7-1065G7 cpu. turbostat reports
35 * 100.0 = 3500.0 MHz max turbo 8 active cores
35 * 100.0 = 3500.0 MHz max turbo 7 active cores
35 * 100.0 = 3500.0 MHz max turbo 6 ...
- 279
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1
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75
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Why does my fairly avarage system fail to run even a light distro? [closed]
I have a system with 4GB RAM, 500GB hard disk and 2.1ghz intel i3 processor. Windows used to hang a lot so I tried Ubuntu which worked for a few days but then gave problems, then I tried Lubuntu and ...
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0
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2k
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Ubuntu (or any gnome based distro) extremely laggy and slow only and only when installed in a VM
When I install Ubuntu (latest LTS) in a virtual machine (regardless of the hypervisor, i.e. VMWare, Hyper-V, or VirtualBox), the graphics performance becomes annoyingly slow. For example, anytime I ...
- 265
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2
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1k
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Sudden slowdown in performance despite very little CPU usage
I recently had some basic applications (web browser, pdf viewer, idle terminal) open on my Ubuntu system, all of which initially ran well with fast performance. After a few minutes away from my ...
- 143
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0
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429
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What is slowing down my system?
I am using Ubuntu 20.04. It seems like my system is running slower than it should.
When I turn on my laptop, it takes 1-2 minutes to boot.
The problem continues even after booting. Everything seems ...
- 163
12
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4
answers
34k
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Ubuntu on Hyper-V sluggish/slow UI experience
Ubuntu 20.04 LTS installed with Hyper-V Manager. I have assigned it 4 processor cores and 12GBs of RAM. I have run through several forums and tutorials and I haven't found any solution that would ...
- 121
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2
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2k
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(Lenovo x260 with Kubuntu 20.04) CPU stuck at 400MHz randomly CPU load at 100% - current CPU frequency: 400 MHz (asserted by call to kernel)
After installing Kubuntu 20.04 on my laptop, I have the problem that after some time, the CPU randomly gets stuck at 400MHz and doesn't step up resulting in very slow respond times. Surfing, or even ...
- 41
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0
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123
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Ubuntu 18.04 governer keeps switching from performance to powersave
I am facing an issue.I play few games on my laptop such as CS:GO.My specs are Intel Core i7 8th gen and an SSD and 16GB of RAM.Now the issue is I set my governor to performance but it keeps switching ...
2
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0
answers
294
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LVM snapshot merge is slow and somethims gets stuck
I am having some issues related to lvm snapshot merge.
When running
lvconvert --merge <snasphot>
on ubuntu 14.04.6 (kernel 3.19.0-80-generic) everything worked fine.
Lvm version is:
LVM ...
- 21
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1
answer
917
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Boot time is very slow
I recently installed Ubuntu 20.04 and it is super fast on my PC. It is not the dual boot. My PC specs are:
CPU: Intel Pentium E5700@3GHz
Graphics: Intel G41(Onboard Graphics)
HDD: 250gb
Ram: 4GB + (...
3
votes
3
answers
1k
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Downsides to disabling/removing swap?
I understand swap is like an extention to RAM and is mostly used when the amount of free memory is below a certain threshold - which can be set with vm.swappiness in /proc/sys/. Swap can also be used ...
- 495
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1
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488
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How do I fix DRASTIC performance difference in Civ 6 Singleplayer vs Multiplayer
I get INSANELY different performance in civ 6 between multiplayer and single player, which doesn't make any sense to me. I can max things out in single player and have a buttery smooth experience, but ...
- 31
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0
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1k
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Ubuntu (default) power management
I am running Ubuntu 18.04 on a Dell XPS 13 laptop. I have noticed that the CPUs is sometimes very slow (after disconnecting or reconnecting the AC cable; not sure about the dependency though because I ...
- 131
1
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1
answer
1k
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OS display/input freezes when typing quickly
I have dualboot Ubuntu 20.04 LTS and Windows 10. I noticed when coding in vscode that when making functions and such the OS would lag. At first I thought it was a vscode issue, but I've learned it's ...
- 41
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1
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1k
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Optimizing 4GB RAM for Android development using Android Studio 4 on Linux [duplicate]
I am using Android Studio 4 on Ubuntu 20.04 LTS with Intel Corei3 Processor(Intel® Core™ i3-2120 CPU @ 3.30GHz × 4). After starting Android Studio, more than 90% of physical memory gets used. I am not ...
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1
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3k
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Ubuntu packages installation is terribly slow
It takes a lot of time for unpacking packages (about 10 sec to 20 sec even for small packages), even after a new installation. I am using a Lenovo Ideapad 330.
I don't know whether it's a hardware ...
- 303
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4
answers
37k
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How to control fans on an asus laptop
I'm dual booting Ubuntu 20.04 on an Asus TUF FX505DT laptop and my main problem now is the lack of control of fan speed of my laptop. When I'm on win 10 I can simply press fn+f5 and circle through ...
- 63
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1
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426
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Will using ubuntu from a external hdd give me same performance as using ubuntu from internal hard drive?
I have a potato laptop and I intend to use blender from ubuntu in
order to get somewhat better performance for rendering and modelling
and other stuff.
I also need windows because I use davinci ...
- 11
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1
answer
3k
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How to disable hpet in linux
I've recently just made the switch to Linux and is a complete noob at this. I want to disable hpet but can't find the option in my Alienware Bios, so I tried to disable it through terminal. After some ...
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1
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Is 'swap off' safe when app is running on production?
My app has several JVMs running in Linux and swap usage is mostly zero.
However, sometimes by high traffic or slowness of database, JVMs consume swap memory, which is not recommended. If it happens, ...
- 159
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154
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Ubuntu 18.04 gets extremely laggy after restart
I have just encountered an issue with Ubuntu 18.04 running extremely laggy upon restart - I assume an updated package is the cause. It's not a CPU (frequency or usage) or RAM issue, those are both ...
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2
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1
answer
1k
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How to turn down Refresh Rate of secondary monitor only? (Reduce GPU usage)
I want to reduce the refresh rate of my secondary monitor to something really small, such that my GPU doesn't has to do as much work.
But there is no option to change the refresh rate for my second ...
- 135
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0
answers
27
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CPU frequency drops to and is capped at 0.48 GHz [duplicate]
I have a Dell Inspiron 7348 (BIOS version A13, the most recent) and the CPU frequency is always capped at exactly 480 or 490 MHz. I had this same problem under win10 but modifying a registry key for ...
- 21
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0
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88
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Laptop CPU performance problem
I have a new and powerful Dell laptop (Prevision 5540). It's almost idle, CPU is not much used (less then 10%), but the fans are constantly working. psensor also shows unnatural spikes. I don't even ...
- 285
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41
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Degraded 2D performance when there is no CPU/GPU load
My VGA used to be GTX 1080, but it died. And I started to have this issue after its replacement with an older GTX 760.
The issue is a degraded 2D performance when there is no load on the system.
e.g. ...
- 2,368
2
votes
1
answer
2k
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PulseAudio freezes applications when sound is required
So I have a major problem with PulseAudio. When any app play sound (from a media player to a system sound, and even the volume change sound or a virtual machine through VirtualBox), it makes the app ...
- 41
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81
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System laggy since upgrading to 20.04
I upgraded to 20.04 LTS about a week ago and have been experiencing very laggy performance since.
There seems to be a slight but perceptible lag with keyboard input and with general performance (...
- 389
2
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2
answers
8k
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How to speed up badblocks
It has been 50h and it is only 0.04% of the way through... Which if my maths is correct means it will be finished after another 2,000,000h (not real maths)
hutber@hutber:~$ badblocks -svw -b 4096 -c ...
- 514
2
votes
0
answers
2k
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ZFS huge latency vs ext4
While testing Postgresql performance on a new machine under 20.04 server, I noticed very bad results when running postgresql inside a LXD container. LXD was running on a ZFS pool.
I finally went back ...
- 5,839