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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0
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1answer
12 views

Ubuntu 14.04 64bit Slow performance

I am using ubuntu 14.04 64bit version in my following configuration system. CPU - Intel i3 3.30 Motherboard - Intel DH61BF Ram - 4GB DDR3 Hard disk - 250GB sata When i was using Ubuntu 13.04 32bit ...
1
vote
2answers
12 views

Restricting resources of user applications

Sometimes, either because of a memory leak or the computationally-intensive nature of a program, applications can start to slow down and ultimately freeze the whole system by claiming too much RAM or ...
23
votes
5answers
6k views

How can I find out if a process is CPU, Memory or Disk-bound?

How can I find out if a process is bound to CPU, Memory or Disk?
0
votes
1answer
13 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
0answers
40 views

ATI Graphics Card Problem

I have some problems with my graphics card. I am using Ubuntu 14.04.1 64-bit and I installed my graphics card without any problem, but when I open the ATI Control Panel, it always shows it's in the ...
0
votes
2answers
38 views

improve performance - NTFS to ext4

My laptop is 7 year old HP compaq with ubuntu 12.04. It was dual booting with windows partition. I was not using windows for the last 1 year and formatted and the windows drive and removed it. ...
22
votes
5answers
17k views

Why most people recommend to reduce swappiness to 10-20?

I have seen in several site which recommend to reduce swappiness to 10-20 for better performance. http://community.linuxmint.com/tutorial/view/998 ...
3
votes
1answer
272 views

ls on home directory very slow

A while ago, I accidentally created hundreds of thousands of files in my home directory which I subsequently deleted. Since then however, running ls in my home directory has been extremely slow ...
-1
votes
2answers
92 views

Disable unnecessary startup services and applications

What is the best practices to disable unnecessary startup services and applications? This post is very useful when i came to decide what to disable Which startup applications can I safely disable? , ...
1
vote
2answers
3k views

Bad 3d performance of intel ironlake

I'm using ubuntu 13.04 and got VERY bad 3d performance with intel ironlake comparing with a windows installation. Is there any way I can improve this? I already tried various paramaters of the i915 ...
5
votes
4answers
10k views

Very slow system after installing 13.10?

Just "upgraded" from 13.04 to 13.10 on my Acer C7 Ubuntu'd Chromebook and first thing I noticed is that everything is very slow and unresponsive. Hardly had this on 13.04. Opened system monitor to ...
7
votes
1answer
154 views

How to make faster first search at Unity-Dash? Way slower than second one

After a reboot, first searching at Unity Dash will be slower (15 sec) than the second search (seems instant), on my system at least. I guess this is because file index is cleared after a reboot and ...
223
votes
37answers
137k views

How can I improve Ubuntu overall system performance?

What are your tips for improving overall system performance on ubuntu? Inspired by this question I realized that some default settings may be rather conservative on Ubuntu and that it's possible to ...
3
votes
2answers
5k views

How to set cpufreq governor to performance?

I am on Ubuntu 13.04 64-bit. I have heard that setting the cpufreq governor to performance will, well, increase performance. Unfortunately, I am a bit of a newbie at this sort of thing, and I am not ...
0
votes
2answers
51 views

Ubuntu and battery life

Currently I'm using a Netbook (Dell Latitude 2100 non-touch scree) (2GB RAM, 1.6GHZ Intel Atom Processor, 60GB HDD, originally Win Vista Business, currently WIndows 7 Pro and a windows experience ...
1
vote
0answers
69 views

Problems with external harddrive (USB 2.0)

I recently installed Ubuntu 14.04. LTS on a Compaq Presario CQ 60. After having a few problems, I managed it to run more or less stable (freaking Nvidia problems are more or less resolved by using ...
0
votes
0answers
21 views

Shutter very slow and laggy?

Shutter is very slow and laggy and I'm not sure why. I've tried to change settings to "Do not save file automatically" and "Do not copy anything to clipboard" but it's still incredibly slow. I have it ...
1
vote
1answer
87 views

Ubuntu 14.04 Slow Performance

I'm somewhat new to Linux and Ubuntu so please be patient with me. I installed Ubuntu 14.04 LTS and the performance is very slow. The computer (a desktop) boots at a normal speed, but OS usage is ...
0
votes
0answers
7 views

How can I log per-process resource usage?

I am encountering a reproducible system slowdown when I perform a given action on the desktop. I have observed some odd behaviour running top and iotop in separate TTYs. How can I log resource usage ...
1
vote
0answers
16 views

CPU usage varies from 0 to 100. Strange waveform

so I have a strange problem. I'm currently using an old Thinkpad T61 and Ubuntu 14.04 LTS, although this same problem was also happening when I had elementary OS Luna (based on ubuntu 12.04 LTS) ...
1
vote
0answers
64 views

Ubuntu Hangs a lot even when 3 or 4 apps are working

I have a Samsung NP300E5C-A0CIN Laptop with 2 GB of ram, intel i3 processor. I have installed ubuntu 14.04 alongside windows 8.1 My laptop tends to hang a lot, especially while browsing the web both ...
0
votes
1answer
58 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
2answers
96 views

Matlab 2014a interface started lagging on Ubuntu 14.04

My Matlab 2014a interface really started lagging recently, after months of smooth and fast performance, on Ubuntu 14.04. Both the main Matlab window and the code editor window has a persistent ...
-1
votes
1answer
92 views

Ubuntu 14.04 runs slow on AMD A4 - 4Gb Ram

Recently I bought laptop of ASUS with configuration AMD Quad Core A4 - 5000 1.5Ghz Memory 4Gb HDD 500Gb Even after installing LUbuntu, I didn't see much increase in speed. Currently installed ...
1
vote
3answers
2k views

Firefox use lot of cpu

I have a notebook nb510 Toshiba with Ubuntu 12.04 and firefox 22.0 with extensions like addock-plus, x-notifier, download helper, xmarks. Sometimes it's take more cpu than 100% This information of ...
2
votes
2answers
206 views

How I can disable CPU frequency scaling and set the system to performance?

My processor is running at 40% of its maximum speed, I want it to use 100% of the speed, all the time. I searched on Google but the tutorials are very old and they all differ. So, how can I ...
0
votes
5answers
12k views

Why is Ubuntu slower than Windows Xp? [duplicate]

Possible Duplicate: How can I improve overall system performance? My system config is-chipset - Intel Brookdale-G i845GEVmotherboard - 01/25/2005-i845G-W627-6A69VM4YC-00video adapter - ...
0
votes
1answer
256 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 ...
-1
votes
0answers
18 views

IRQ Balancing-RSS-Flow affinity

I am playing with a multi-core system, in which i would like to get maximum ip packet forwarding performance.I am getting 1.2Mpps with Ubuntu 14.04, with new ixgbe driver. But when i am allocating ...
2
votes
2answers
40 views

Find files that are heavily used in the system

atopsar -d 30 - shows that one of hard drive (sda) in the system is heavily used. Is there a way to know which files are heavily used on HDD?
0
votes
1answer
52 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
0answers
22 views

Very poor performance after regular updates

Recently my install of 13.10 decided to go all wonky on me. It did some kind of system update and then I got that lovely black screen after on boot. After many efforts to fix it I did a dirty upgrade ...
1
vote
0answers
65 views

enabling swapping cripples system

I am having a strange issue. Essentially, when swapping is enabled (on a swap partition), the system becomes unusably slow even at times when no swapping is in fact occurring. For example, when ...
0
votes
1answer
110 views

Is my netbook powerful enough to run Ubuntu 14.04? [duplicate]

Mods: this question is not a duplicate of others. While related in subject, this question is not a general specifications request, nor is it concerned with building kernels and whatnot. This question ...
1
vote
2answers
3k views

Unity environment way too slow in Ubuntu 13.10

Unity and its apps open too slowly whenever I open one. It takes a while for them to appear completely. Everything works properly when the window is already open. The biggest problem is with the dash: ...
0
votes
2answers
166 views

SSD is more sluggish in Unity than my HDD on 14.04

I've been running Ubuntu 14.04 on my old Dell 6400 laptop with 2Gb RAM (max) with a small 60Gb HDD and Unity performance has been fine. Last night I dropped in a 128Gb Adata SP600 SSD and installed ...
-1
votes
1answer
106 views

Ubuntu 14.04 videos and games running slow

I have little problem with Ubuntu here. I was running Windows 8 and then i decide to make dual boot with ubuntu 14.04 (whitch is great system!) but when i boot to Ubuntu i have problems with system ...
13
votes
0answers
2k views

Is Wine what I think it is? [duplicate]

My first impression is that Wine is a simulated Windows environment which uses free (and presumably open source) libraries as an alternative to Microsoft's proprietary libraries. Those libraries ...
0
votes
1answer
46 views

gnome-session-flashback desktop — is just booting into gnome enough or do I need to uninstall unity?

I am currently running Ubuntu 12.04. If I want to run Ubuntu with a less performance-sucking GUI than Unity, is it enough for me to install gnome-session-flashback desktop and set the system to boot ...
0
votes
0answers
22 views

Difference between System monitor and free -h

I have a Lenovo T430 laptop with 3.7GB of RAM. Since I started using this machine I observe the following strange behavior. If I do a lot of things, say have rails server running, a few nodejs ...
0
votes
2answers
2k views

Why Windows 8 is a lot faster than Ubuntu 13.10 on the same laptop? [closed]

I am not a Windows fan. I don't like Windows. But, for my curiosity, I temporally installed Windows 8 on my machine (a Samsung NP300, Intel Core i3, 4GB Memory). I observed that it's a lot faster ...
1
vote
2answers
174 views

How do Ubuntu flavors compare regarding resource consumption and performance?

Minimum requirements statistics do not provide enough accurate info to new and prospective users trying to determine a suitable flavor for their machine. People need to know if an OS will run smoothly ...
0
votes
1answer
164 views

Ubuntu is 13.04 slower than 12

I've been using Ubuntu for quite a while now, mostly 12. I recently updated to Ubuntu 13.04 and the most noticeable change is that it's overall slower than 12. In particular, moving windows on the ...
7
votes
3answers
26k views

Is there a benchmark tools for Ubuntu?

Is there a benchmarker (a tool to measure computer performance) for Ubuntu (like SuperPI, 3DMark, or PCMark)?
2
votes
2answers
343 views

Can I enhance the performance of ubuntu using a sd card by in anyways?

I'm just curious if it is possible do it. I have a spare 4gb sd card.
0
votes
0answers
42 views

Can't install Ubuntu 12.04 32bits on a modern PC - So slow!

I'm working on a project that only works on Ubuntu 12.04 32 bits. I've been given a modern computer to work with but the installation of Ubuntu is driving me nuts. The machine specs are: MoBo: ...
0
votes
2answers
82 views

Low desktop performance with netbook

After installing latest ubuntu on my netbook (ASUS 1225c) I experienced major drop in responsiveness and frames per second on desktop. It seems that there is something wrong with video drivers. The ...
0
votes
1answer
51 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
64 views

I only have 1GB of ram, what can I do to improve the performance on my 32-bit 14.04 system? [duplicate]

I'm running a fresh install of Ubuntu on an old iMac. It was going painfully slow on OSX so I wiped that and installed Ubuntu overtop of it hoping it would speed things up a bit. I'm not going to be ...
0
votes
0answers
54 views

LibreOffice (Calc) consumes all of the available RAM memory

I am having problems with LibreOffice's memory consumption. It didn't change much since 12.04 - I have tested it in Ubuntu 12.04, 13.04, 13.10 and 14.04 and didn't notice any significant differences. ...