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.

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2
votes
4answers
9k views

Poor performance when looking at Youtube videos

I am using Lenovo computer having the following configuration: 516 MB RAM and 3.06 GHz CPU When I installed 11.04, the system was getting very slow. From the Internet, I read an article that Lubuntu ...
1
vote
1answer
74 views

Ordinary use. Is GFX memory the culprit? Problems with 128 MB GFX memory

I have noticed when on my laptop using an external screen+laptop screen, the terminal gets corrupted and responds really slowly; several bug reports and questions here are having the same symptoms. ...
2
votes
2answers
1k views

Slow for no apparent reason [closed]

Ubuntu is becoming slow for no apparent reason. I'd like some help with analysing and fixing this issue. Usually when a system slows down, that's because the software is using too much system ...
0
votes
2answers
503 views

Ubuntu 12.04 flush-encryptfs resource hog

I've been using Ubuntu 11.10 for a while, but recently upgraded to a fresh install of 12.04 LTS. I am noticing a program called flush-encryptfs- using a significant portion (30 to 80%) cpu resources. ...
0
votes
1answer
275 views

How to set power setting to performance?

In Ubuntu 12.04 how do I set up the power settings to obtain maximum performance (opposed to max battery life)?
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 ...
23
votes
3answers
45k views

Why does kworker cpu usage get so high? [duplicate]

I recently installed Ubuntu 12.04 on my Samsung laptop alongside Windows 7. Whenever I use Ubuntu (even when its idle) kworker uses almost 90% of one of 8-cores. Even though it doesn't really affect ...
1
vote
1answer
3k views

Best Ubuntu version for Virtualbox host

What is the best version to use as a Virtualbox host OS? Is it 12.04, or 9.04? I get the notion that an older system runs faster. Is this true? I especially have to consider the amount of RAM ...
0
votes
2answers
218 views

Will ubuntu 12.04 LTS run faster when installed individually instead of in the windows folder? [duplicate]

Possible Duplicate: What performance differences are there when installing with Wubi? I have lots of freezes and stuff... So I was wondering if I installed Ubuntu individually instead of ...
0
votes
1answer
2k views

How to compare performance between desktop graphics card and laptop graphics card? [closed]

For example, I know GT640 is better than GT640M. 1.Is GT630 better then GT640M? 2.Is GT620 better then GT640M? 3.Is GT610 better then GT640M? How to check for their performance if I don't have any ...
2
votes
3answers
602 views

How to speed up installation?

I have an Acer 4736z with 2gb Ram and ubuntu 12.04 is running too slow for my standards. I would like to know if I am running useless processes that I am not aware of and remove packages I will never ...
15
votes
8answers
35k views

Is Xubuntu really faster than Ubuntu?

I installed xubuntu desktop on top of ubuntu 12.04. The usage of RAM and CPU is in general lower than in ubuntu. But when it comes to some serious computations I did not see much of a difference ...
0
votes
1answer
3k views

Apache tomcat 7.0.29 performs very slow on Ubuntu server 12.04 [closed]

We have 16 GB of RAM and trying to access our applications hosted through the server with Apache tomcat 7.0.29 in Ubuntu server 12.04 (GUI). All our applications are running very very slow... Please ...
2
votes
3answers
9k views

Gnome shell slow on a fast computer

The computer is an EliteBook 8540w: ATI FirePro 5800 (using proprietary drivers) i7 720qm 8Gb RAM OCZ Agility III SSD Ubuntu is freshly installed (a week ago). I have set swapiness to 10. When I'm ...
0
votes
0answers
140 views

Constant crashes and freezes after upgrade to 12.04 [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? After a fresh install of 12.04 as an upgrade from 10.04 my computer keeps freezing. I have a 2.4GHz Intel quad core processor, 4GB ...
1
vote
2answers
678 views

Monitor disk activity on a per file basis

I am trying to find a program that actively monitors how much data is read and written per second to open files and then sorts files with the highest usage at the top. This would be similar to iotop ...
9
votes
4answers
13k views

high performance with xen, vmware or virtualbox

I was wondering which is the best method to go about if I want to play win based games. I do not want to go with the dual boot method as this will cost me time to restart, login and run a os to do my ...
-1
votes
1answer
310 views

Responding very slow while loading icons

I have just installed Xubuntu 12.04 x32 from a USB on to my hard drive. It installed fine, however now when I boot up and log in to my user, it seems to be rather slow -- notifications at the top ...
2
votes
0answers
38 views

Question regarding power outages affect on ubuntu [duplicate]

Possible Duplicate: How resilient is Ubuntu to repeated “power-off” shutdowns? Due to some reasons, sudden power outages are common at my place so my current operating system "...
2
votes
1answer
5k views

Is there a way to disable Intel SpeedStep on an Ubuntu Server using a command line application?

We cannot disable it using the BIOS, because Turbo gets turned off as well as a side effect (what a crappy BIOS!). I am looking for a simple command line tool for Ubuntu 12.04 LTS Server that can do ...
0
votes
2answers
2k views

Swappiness setting ignored in systcl.conf

My Ubuntu 12.04 x64 on Dell XPS 15 with 8GB of RAM has been really sluggish. After some searching I came across post about swappiness. I noticed that swappiness on my system was reported as 0 which ...
0
votes
1answer
1k views

Reinstall Ubuntu wit UEFI for better performance?

I am thinking about reinstalling Ubuntu 12.04 on a freshly formatted disk with BIOS changed to UEFI on my Asus laptop. I hope, it can boost my bootup performance, but am not sure whether it is worth ...
1
vote
1answer
269 views

Why my computer fails when converting many images in Imagemagick with one command?

After updating to Precise had a few times the following mishap: when I try to convert to pdf many (100, 200) jpegs or pngs, my system gets completely stuck and need hard reboot. Or, more fortunately, ...
0
votes
1answer
207 views

12.04 Running slow when downloading files

I've been using Ubuntu for a while now, and just upgraded to the latest version about a couple months ago. I've noticed, then and now, that 12.04 seems to run much slower on my computer and ...
0
votes
0answers
237 views

Really slow copy speed [duplicate]

Possible Duplicate: Copying to/from NTFS partitions very slow Does writing data from ext4 to NTFS partition take a lot of time?? I get speeds upto only 70kB/s (copy). ext4 - ext4 is pretty ...
2
votes
1answer
221 views

Do I need to update my GPU drivers?

I have the following system running Ubuntu 12.04 with Wine 5.8: AMD Phenom I x4 2.8 Ghz XFX GTs 250 1GB 3GB DDR 2 Ram I have tried the 2 drivers in the additional drivers program and both have the ...
4
votes
1answer
8k views

How to get isolcpus kernel parameter working with Precise 12.04 amd64?

I've been testing this stuff trying to reserve some CPUs in a host with two Intel E5645 but I can't get it working for some reason. Steps I followed: Edit /etc/default/grub and added isolcpus=0,1 to ...
2
votes
2answers
899 views

I am experiencing slow performance on my system. How do I diagnose and fix it?

I am using ubuntu 12.04 in my laptop. This is my first experience in ubuntu. I just installed Ubuntu yesterday. I have dual OS in my laptop. The other OS is Windows 7. Comparing Windows 7 ubuntu ...
3
votes
2answers
2k views

Ubuntu SSD performance issue

I have installed Ubuntu 12.04 on a 55GB Adata S599 SSD. I have a Asus M4N68T motherboard that does not support AHCI. Bootup takes a lot longer than expected and working in the system is not even close ...
30
votes
5answers
71k views

Gaming performance difference between Windows and Ubuntu

What are the pros/cons switching from Windows 7/8 to Ubuntu? I mainly develop software and play games. I obviously don't play games on my laptop that's why I give Ubuntu a try. But the whole OS ...
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 ...
0
votes
1answer
104 views

Are there any automated functionality tests for an Ubuntu installation?

I have installed Ubuntu on my MIPS architecture machine (it is not an x86). I want to test if the applications are working well. I want to use automation test methods to do it, but how can I ...
-1
votes
1answer
169 views

First time install: Ubuntu is incredibly slow.

I just installed Ubuntu, and I must admit, I have no idea what I'm doing in linux. I installed it on my old Lenovo T60, and I was surprised at how slow it runs. It's a lot slower than my 2 year old ...
0
votes
1answer
322 views

Hang during unlock, slow after that

I have problems when I leave computer on during the night, when I resume it in the morning, it becomes very slow, I often wait for few minutes until login form renders, when I login, apps freeze ...
2
votes
0answers
352 views

My intel hd 3000 + core i3 processor is performing really bad [closed]

I've used Ubuntu before on my old laptop, sporitng an AMD V-series CPU and a mobile radeon 4250, both really bad compared to my laptop now. However, with ubuntu on both computers, my old laptop ...
3
votes
2answers
3k views

Does VirtualBox permanently affect performance?

I would like to install VirtualBox as an Ubuntu testing environment. Must I permanently sacrifice system resources such as RAM? Or only when the environment is running?
5
votes
1answer
2k views

SD Card Transfer very slow

I copied some MySQL-DB stuff to my Class 6 SD card. It needed 45 min. for the transfer. Same machine with XP it does it in a few minutes, with Win7 on another machine transfer is also fine. Checked ...
6
votes
3answers
693 views

Will a package I compile myself perform better than installing from the repositories?

Does a package performance is different when it's compiled from sources, or installed from repository ? Is it possible, what during the compilation, the package will be "more adapted" (performance, ...
2
votes
1answer
2k views

Firefox consuming wildly inordinate amount of CPU

I've got a Firefox process with nothing in it but the Google home page (the "search" page, not the "homey" home page with news etc.) and this site. I've killed it and restarted it multiple times. It'...
0
votes
1answer
480 views

open_counter returned with error 19

I am trying to use perf tool. I have installed ubuntu 12.04 on Pandaboard. After booting up the system, installed linux-tools. Which installed linux-tools-3.0.0-25. running the perf, gives following ...
-1
votes
3answers
2k views

How can I make my PC faster? [duplicate]

Possible Duplicate: How can I improve overall system performance? My computer is running very slow. It appears I may be running Ubuntu 10.04. Please let me know how to increase it's ...
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
1k 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 ...
10
votes
9answers
8k views

Is 1GB RAM with integrated graphics sufficient for Unity 3D on 12.04?

I have been using Ubuntu since Hardy Heron (8.04). I used Natty, Oneiric with Unity. But When I recently (more than 1 month now) upgraded My Ubuntu to Precise (12.04), the performance of my laptop is ...
1
vote
1answer
537 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
1k 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 ...
4
votes
0answers
14k views

Details window showing “unknown” driver for Graphics [duplicate]

Possible Duplicate: How can I get my graphics card to be recognized in System Info? I have Intel Graphics Card, which have model number GM965. It is on a Notebook, (Lenovo 3000 Y410). My ...
-1
votes
1answer
2k views

Slow performance on HP DC7800 SFF desktop [closed]

I have installed latest Ubuntu 64 bit on the hp dc7800 with core 2 duo e6550. It has 2gb ram. Not a stellar machine, but I'm getting very poor performance. Windows and applications are slow to open ...
1
vote
1answer
1k views

Does using both tmpfs and zram make any sense?

I wondered if tmpfs and zram do negatively interfere with each other in any way? After what I've read about it I'm unsure whether there is a positive cumulative effect accomplishable with that ...
3
votes
2answers
1k views

Why I'm seeing 7 users, a abnormal usage of Virtual Memory, lots of stream connections and all process sleeping?

Using a Toshiba Satellite l645d s4025 amd dual core p320 2.1ghz 3gb ddr3 ram 250 gb hdd Below is the incomplete top report(don't know how to select all to copy) Using an Ubuntu 12.04 amd64 install/...