Questions about improving the performance/speed 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.

learn more… | top users | synonyms

6
votes
1answer
2k views

Is it possible to use both SLI and two monitors at the same time on Ubuntu with Nvidia?

I'm completely and utterly baffled by my inability to use both SLI and a dual monitor setup, even with Nvidia's latest proprietary drivers. Now I have to choose between the ergonomic and productive ...
5
votes
1answer
642 views

Why does Lubuntu automatically reset my CPU into performance mode after a short time?

If I put the CPU mode into powersave or ondemand, it works for some time (5-10 minutes) but after that time Lubuntu automatically sets the CPU to performance mode. (I see it doing sudo cat /sys/...
4
votes
1answer
186 views

What processes should be ioniced for a responsive desktop?

My goal is to intelligently and permanently ionice the processes on my desktop for responsiveness under heavy disk and network load. By permanently, I mean that any changes made to the system will ...
3
votes
1answer
66 views

CPUs are overused with internet browsers, maybe Ubuntu+i5+JS don's work well

I'm having trouble with the Ubuntu 14.04 on PCs Intel NUC i5 8 GB RAM SSD HD. They are used mostly with Google Spreadhseets and are high usage of internet browsers and JS applications. PCs are quite ...
3
votes
1answer
2k views

Shutdown Takes too much time in Ubuntu 15.04

I upgraded Ubuntu 14.10 to 15.04 about a month before, after upgrading I'm facing too much of performance issues and it also takes too much time to shutdown. Is there problems with this new release of ...
3
votes
1answer
2k views

Why are all hard drives slow on my Ubuntu system?

On my computer, which dual-boots Ubuntu 12.04 LTS (kernel 3.5) and Windows 7, the hard drive speed is very fast on Windows but very slow on Ubuntu. The slowness remains when I boot on an Ubuntu Live ...
2
votes
1answer
370 views

Gnome 3.18 Activities overview and application list very slow with Ubuntu 15.10

Ok, any help would be great: After updating to 15.10 and Gnome 3.18, the activities overview has become very unresponsive. Arranging windows from desktop to desktop is slow and when opening and ...
2
votes
1answer
38 views

Performance issues for 15.04

I am using a Dell Vostro 270s machine. It was running on 14.04 and I upgraded to 15.04 recently. 64 Bit, 4 GB RAM Most of the time switching between editor and browsers are horrible. It will be ...
2
votes
1answer
2k views

Virtual machine running painfully slow

I am running Ubuntu 14.04, and I've installed windows 8 on virtualbox. The problem is that it is too slow - even minimizing a windows takes 2-3 seconds. The reason I think this is a problem is ...
2
votes
1answer
172 views

Mouse slow proportionally to network usage

Under ANY network loading the Logitech mouse gets slow. At download speeds of as low as 50KB/s, clicks are "grabby," a click will pick up an object and any movement will move it around. At rates above ...
2
votes
1answer
133 views

Performance improvement of Ubuntu on soc board

I am trying to set up Ubuntu on soc board (Cubietruck) which has 8Gb flash, 2 Gb Ram, with external SSD - 128 GB. Currently I have installed the Ubuntu on hard drive. Its performance seems moderate ...
2
votes
1answer
729 views

Slow FX/Unity perfomance in a Intel(r)915G/915GV/910GL Graphics, can be improved?

Since I upgraded Ubuntu to 13.04, last Friday, FX on Unity is very slow. This is a pretty annoying issue, because everything has an FX: Launcher menu, Appl. Switcher and so on. I tried to disable ...
2
votes
1answer
2k views

very high IOWait + extremely slow hdparm -tT

I have been running 12.04 on my Fujitsu Siemens Lifebook E751 for almost a year without any problems, and then several days ago I noticed a very high CPU IOwait that makes the system poorly responsive ...
2
votes
1answer
406 views

Troubleshooting poor performance with ATI HD 5800 GPU

I am attempting again to solve problems between ATI Radeon HD 5800 series (5830) GPU and Ubuntu. Three months ago I posted: Display difficulties with Ubuntu 12.10, Dual Monitors, and ATI HD 5800 I ...
2
votes
1answer
576 views

12.04 running slow on my machine

Hi I'm very new to Ubuntu 12.04 LTS and having installed it on albeit an old laptop I have found it to be very slow. I have a feeling this is more likely to do with my hardware but I'd appreciate any ...
2
votes
1answer
349 views

Ubuntu EXTREMELY slow on MacMini

So I have an older MacMini. It's not the world's greatest machine, but it doesn't suck that badly: Intel® Core™2 CPU T5600 @ 1.83GHz × 2, 1gig ram I have installed Ubuntu on MUCH weaker machines ...
2
votes
1answer
2k views

Copying to/from NTFS partitions very slow

My whole system slows down when I copy files between an NTFS drive to my local home directory. This is a new 12.04 installation with the latests 12.8 AMD ATI driver. Using Gnome-Shell or Unity does ...
2
votes
1answer
968 views

Ubuntu 12.04 - e1000e slow performance

I'm running Ubuntu 12.04 on a Thinkpad W510. lspci reports this ethernet controller 00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network Connection (rev 06) By default the ...
2
votes
1answer
1k views

Why are my USB 2.0 ports stuck in low-speed 1.0 mode?

My usb ports are stuck in 1.0 mode, i cant get them to work in 2.0 mode to get my devices to work. i tried a fresh install and rebootng many times, the mouse is slow and jumpy and transfers take a ...
1
vote
1answer
549 views

Ubuntu 16.04 is slow and lags

I am running Ubuntu 16.04 on my laptop HP Pavilion G6 2320tx. The specs are: i5 processor 4 GB RAM Radeon graphics 7670m After using it for 10-15 minutes, everything starts lagging. Clicking ...
1
vote
1answer
89 views

Slow PC as I installed ubuntu 14.04

A week ago I installed Ubuntu 14.04 on my Toshiba Satellite with a QuadCore 2.4GHz and 8(!)GB Ram, Intel chip 4000 and Nvidia gt 640M which are both activated. Since I've done that my Laptop is just ...
1
vote
1answer
96 views

Monitoring resource usage by single application over period of time

I am looking for an utility which can monitor the resource usage (CPU & RAM) by an application. I have an third party application which runs as service, once started, it will receive requests ...
1
vote
1answer
183 views

Video Editing Performance?

I'm relatively new to Linux but love using Ubuntu and it has become my preferred OS for daily use. I am really disappointed I don't seem to ba able to edit video on Ubuntu 14.04 with my Lenovo ...
1
vote
1answer
395 views

Ubuntu very slow startup

My new laptop is taking very long (a few minutes) until it reaches the log-in screen. Here is the output of dmesg: http://pastebin.com/MuW79kVd I think the important part is the following gap in ...
1
vote
1answer
211 views

What can I do to restore disk performance on slower Ubuntu VM

I have Ubuntu 12.04 (x86) running under VMware Workstation 10.0.5 on a Windows 7 x64 host. Disk access in this VM is noticeably slow - it takes ages just to start Firefox, for example, and the disk ...
1
vote
1answer
1k views

How can I reduce ram usage? And also how can I speed up Ubuntu 14.10?

I just upgraded to Ubuntu 14.10 from 14.04 to find the amount of ram usage has almost doubled well my CPU usage and almost been reduced. When doing little on my computer my ram usage stays at about 1....
1
vote
1answer
610 views

Ubuntu 14.04 on Toshiba suddenly super slow

I have a Toshiba Satellite C55 with Ubuntu 14.04 with a 320GD HDD and 6GB RAM. It dual boots with Windows 8 (which I never log into). I usually completely shut-down the laptop only every 2 days. ...
1
vote
1answer
383 views

System performance is extremely laggy when copying and extracting files

After a clean install of Ubuntu Gnome 13.10 (64-bit) and the according Gnome 3 (stable) PPA my system (Samsung 900X3C) is extremely laggy, when files are copied to the external hard-drive (HDD) or ...
1
vote
1answer
196 views

Acer C7 Chromebook running 13.10 slow Performance Graphics?

I see others are having simiar issues but I haven't found a fix. Instead of the Intel fdriver, Ubuntu showing gallium driver. Honestly, the performance is sluggish, I wasn't even sure it was Video ...
1
vote
1answer
40 views

Fresh installation running rather sluggish

Good day! Today I installed ubuntu on my home desktop (win 7 is the main OS). To this day I was running it in a virtual machine, but since I will do some of my work from home I decided to install it ...
1
vote
1answer
40 views

How do I find out what is running immediately following login?

A few weeks ago, I must have installed an update or new package that now gives me ~10 seconds of black screen immediately following login, until my wallpaper and the Unity interface appears. Sometimes,...
1
vote
1answer
331 views

AMD proprietary drivers can only use 2 monitors (ubuntu 13.04)

I have 4 monitors I'm trying to set up in Unity with 2 GPU's (2x AMD HD7970's). Originally I had 2 monitors on each card and tried to set it up that way, but I kept getting the White Screen of Death ...
1
vote
1answer
253 views

Ubuntu being… not too fast?

Yeah I know there is enough of similar questions already - why ubuntu is slow and blah blah. But, seriously. I have pretty ok-ish specs - desktop PC with Intel i3 and 4 GB ram. When I'm on Windows I ...
1
vote
1answer
418 views

How to fix slow-performing machine?

My laptop is a Compaq nx6110 with 1 GB RAM. Before Ubuntu, XP was originally installed on it and was not too slow. But after I installed Ubuntu 13.04 (replacing XP) it is too slow. Even YouTube ...
1
vote
1answer
75 views

architecture-independent performance monitor tool

I got to know "perf" tool in "linux-tools-3.2.0-43" for Ubuntu 12.04 which can monitor the performance counts for some micro-architectures, however, the tool is dependent to the cpu architecture and ...
1
vote
1answer
309 views

13.04 sluggish after installation, live-cd was fast

I just installed a fresh 13.04 on my macbook, but after the installation it's a bit sluggish. Several problems occur: In chromium and firefox, on google.com, the autocomplete search bar lags. ...
1
vote
1answer
294 views

Slow and freezy 13.04 system under Nvidia graphics

I have the same problem under 13.04, I have Nvidia C73 (GeForce7100/nForce 630i) and it freezes randomly when I use Unity icons, the system is pretty slow anyway. I tried the opensource x-org driver, ...
1
vote
1answer
160 views

Is there a user-friendly setup to reduce performance and fan thresholds?

My Dell Vostro 4450 with Ubuntu 12.04 started heating (>95°C) when its on heavy load and charging battery (sometimes it freezes in this conditions). When on heavy load but using battery, it stabilize ...
1
vote
1answer
133 views

Unity Dash extremely laggy

I'm running 12.04 64bit. I've been running gnome shell for a while and decided to give Unity a try. I logged out and back in with the Unity Shell selected. I noticed that, sometimes when I press the ...
1
vote
1answer
85 views

Several Questions regarding software on Ubuntu 12.10

So, i recently installed Ubuntu 12.10 but i have problems setting up my microphone, i got a creative sound-card and i already tried ALSA. Second i need to have adobe cs 5.5 installed for studying but ...
1
vote
1answer
47 views

Non-symmetric core load when playing a game

I play Serious Sam 3 on Ubuntu 12.10 amd64 with AMD Phenom II X4 955 processor. And all time I play it there was fully loaded only one core. Command mpstat 1 1500 -P ALL after some time gives ...
1
vote
1answer
146 views

CPU performance decreases with AC power

I am doing CPU-intensive work on my Thinkpad X220 laptop and I find the performance bad. Interestingly, the CPU becomes more powerful if I disconnect the AC power and run only on battery! It does slow ...
0
votes
0answers
140 views

Why does wifi USB dongle slow down USB stick file copy/transfer?

I am on Ubuntu 15.04 but my problem has been around for a long time in previous releases - I have a PC with a Belkin wifi USB dongle attached using the r8712u driver. Every time I copy a file, ...
0
votes
0answers
166 views

Graphics Driver not satisfied

I have a dell 3542 with Intel® HD Graphics 5500 (Broadwell GT2). and in Ubuntu 15.04 my details says GRAPHICS Intel® HD Graphics 5500 (Broadwell GT2) .but i can clearly see a different in the ...
0
votes
0answers
112 views

Kubuntu 15.04: Random lag spikes in all games

A couple days back, every game (Minecraft, TF2, GMod,...) I played on my laptop had unbelievable FPS drops for ~5 seconds to 1 FPS and then it went back to 30. I noticed when the FPS dropped the ...
0
votes
0answers
68 views

I don't have a graphics card in my machine. Can I still use Ubuntu?

I want to install Ubuntu 15.04 on my pc. My PC specs- 500 GB HDD Intel i3 2.93Gz processor No graphic card is present. Can I use Ubuntu with this Hardware configuration?
0
votes
0answers
181 views

How can I profile Unity (lightdm) in Ubuntu 15.04 to help resolve performance problems?

I'm having some performance issues in Unity on Ubuntu 15.04. The Unity dash lags and many applications lag when being resized or fullscreened on 4k resolution. Let me preface this with a few things. ...
0
votes
0answers
319 views

Ubuntu Gnome doesn't run properly on my laptop

I'm using Ubuntu Gnome 15.04 and it's get hobbled sometimes. for example, when I try to move to some other window, it doesn't move smoothly, or when I watching a video on youtube - it's "spiky".. did ...
0
votes
0answers
666 views

Openbox overhead is similar to that with gnome-panel

I just installed openbox via sudo apt-get install openbox. It already has obconf, btw. I noticed that when I logged into my openbox session instead of the one I usually use (gnome-panel and NOT ...
0
votes
0answers
251 views

More than FOUR minutes to boot up my Ubuntu 12.04. What could be the problem?

I cannot tell exactly when this happened, but surely after upgrading to Ubuntu 12.04, but on my last bootup it lasted from selecting the distro on the GRUB menu to full usability 4 minutes 22 seconds ...