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

2
votes
1answer
63 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
107 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
649 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
1k 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
504 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
239 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
796 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
19 views

Change Frequency But nothing different

My problem here: root@LeAn:~/Desktop# sh MinPower.sh CPU MHz: 1200.000 root@LeAn:~/Desktop# lscpu | grep MHz CPU MHz: 1200.000 root@LeAn:~/Desktop# python TestCpu.py ...
1
vote
1answer
149 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
vote
1answer
248 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
347 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 ...
1
vote
1answer
218 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
38 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
38 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. ...
1
vote
1answer
264 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
199 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
266 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
67 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
300 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
312 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 ...
1
vote
1answer
252 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
148 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
115 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
81 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
42 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
109 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 ...
1
vote
1answer
813 views

Unity really slow on Radeon 6950

I was wondering if anyone could tell me what I need to do/if my system should be able to run Ubuntu 12.10 smoothly. Asus sabertooth x58, i7 3.2Ghz, 12 GB 1600 DDR3, x2 HD Radeon 6950 2GB, ...
1
vote
1answer
674 views

Is there a simple way to diagnose Unity performance issues?

The Unity Dash and HUD are slow to open, sometimes freezing the system for up to four seconds when I first hit the Alt or Super keys. Is there a simple way to find out where the time is going? The ...
1
vote
1answer
1k views

Xubuntu running incredibly slowly on a relatively sufficient system - How to find the cause?

I recently formatted my hard-disk and installed Xubuntu 12 on my desktop PC, which has the following specifications: Intel P4 3GHz 1.5GB RAM 80GB Hard-disk 128MB Nvidia Video Card (FX5500) In ...
1
vote
1answer
1k views

CPU stuck in energy save mode

A few days ago, my computer started feeling very slow, and looking a CPU usage, I saw that even the simplest processes required a lot of CPU. As far as I can tell, it's because the core are all ...
1
vote
1answer
42 views

Software to track application profile

I am developing a software for number theory investigation, and I am suspicious that is leaking memory. It would be very nice to log the CPU, and RAM usage of this program through some application. ...
1
vote
1answer
521 views

Dragon Age: Origins with PlayOnLinux have low fps

I successfully installed Dragon Age: Origins with PlayOnLinux on my Ubuntu 12.04 but the game is too slow, frame per second(fps) is too low. I played this game so many times in Windows with the high ...
1
vote
1answer
984 views

Low graphic performance with Mobility Radeon HD 4200 under Unity3D

On my Lenovo Edge 11" I got Ubuntu 12.04 installed. It runs with a ATI Mobility Radeon HD 4200 (RS880M) and the additional ATI drivers are correctly installed ("lshw -c video" gives me a correct ...
1
vote
1answer
424 views

Why is my AMD Quad 645 CPU running at 800MHz per core on Ubuntu 12.04

I've just loaded Ubuntu 12.04 onto a brand box with an AMD 645 quad CPU with 8GB RAM. In the BIOS it says, the CPU is running at 3100MHz. However when i boot into Ubuntu 12.04 it says 800MHz? I've ...
1
vote
1answer
821 views

Lightweight browser for ubuntu jaunty

I am looking for a lightweight and stable browser for ubuntu jaunty. I tried midori, however the version from the jaunty-repository seems not to be very stable (crashes for example when going to ...
0
votes
1answer
270 views

AMD E1-6010 1.35GHz slow performance?

I have just installed the 64bit version of ubuntu 14.04.1 LTS version on my low-end laptop which has a AMD Dual-Core E1-6010 Accelerated Processor (1.35GHz, 1MB L2 Cache) and 4g of ram. Been switched ...
0
votes
1answer
85 views

Ubuntu 14.04 running slow on a 64 bit processor

I upgraded from win 8.1 64 bit to Ubuntu 14.04 64 bit version. My PC have 4 GB of ram and 2.23 GHz dual core processor... after installing Ubuntu its running slow.. should I switch to 32 bit or are ...
0
votes
1answer
92 views

Improving gaming performance in wine

When running League of Legends through wine I get about 50fps while I would like to run the game at a stable 60fps with vsync. Is there any way I can achieve higher framerates, or is my hardware just ...
0
votes
1answer
71 views

Why is dash autocomplete (super key) slow?

I like the dash autocomplete feature (super/windows key) to open applications. But the feature is slow. In 90% of all cases I open keepass or emacs. But it takes several seconds to show the results ...
0
votes
1answer
96 views

SSD performance testing

I'm testing the performances of my new SSD card, and it seems I'm stuck with sata2 speed even if my controller is sata3. Here is the command I'm using. dd if=tempfile of=/dev/null bs=1M count=1024 ...
0
votes
1answer
111 views

Xubuntu laggy/slow in brand new MBP host

I am using Xubuntu as a VM in both a Windows/PC host and recently a OS/X Mac host. The latter is laggy, especially when I use two monitors. It's weird cause the Windows machine is less capable (less ...
0
votes
1answer
541 views

lm-sensors ubuntu 14.04 core voltages

I am trying to measure the core voltages of my cpu. I installed the lm-sensors, I ran the sensors-detect and I reply YES to all of the question. At the end of the sensors-detect I get: To load ...
0
votes
1answer
48 views

Ubuntu send alert mail if CPU usage continusly heigher than a certain amount

I need a way to send alert email if the CPU usage is higher than 80% for more than 5 minute. Installing new software on the server not allowed for me. Is there any way to handle it through a shell ...
0
votes
1answer
260 views

Ubuntu 14.04 running extremely slow !

I have installed ubuntu 14.04 on my 8 pc's . Those running on pentium processors are fine but not as stable as they should . Windows 7 used to run extremely smooth on them . App executes slow , and ...
0
votes
1answer
68 views

responsiveness drops drastically when RAM get's full after upgrading from 13.04

Since I've upgraded from ubuntu 13.04 to 14.04 (and before 13.10) my system get's to it's knees when the memory get's full and has to start swaping.. Of course I know that a performance penalty ...
0
votes
1answer
97 views

Ubuntu Server performance boost

Is there any way to boost an Ubuntu Server's performance? I feel it a bit laggy when hosting a game server on it, unlike other servers. Do you think installing a desktop environment will decrease the ...
0
votes
1answer
117 views

Ubuntu 12.04 runs too slow

I am a new Ubuntu user. I have installed Ubuntu 12.04 on my PC. My PC has been running much too slowly for the last two days. I tried to find a solution, but I am unable to find it. I tried Unity 2D, ...
0
votes
1answer
336 views

Acer Aspire One 725

I recently got an Acer Aspire One 725 and I want to install Ubuntu on it. I tried Ubuntu 13.10 32-bit and 64-bit, but I got a lot of errors, and it is running a little slowly. Has anyone tried to ...