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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12 views

Slow Ubuntu 32 bit

I just installed the latest Ubuntu (14.04.1 - 32 bit) on my old computer (750 MB RAM, 1.8 Ghz Duron) for learning purposes mostly. The speed with which everything is happening is really very slow - it ...
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1answer
25 views

Ubuntu on Flash USB rather than SSD: performance penalty when not r/w-intense use?

I plan to turn my fanless HTPC completely silent, exchanging the current HDD for a silent runner. All I expect to do with the machine is to run a media client (XBMC), streaming my media via a network ...
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0answers
18 views

Kernel Tuning Tools?

How to improve performance of a Kernel ? Are there any tuning tools to improve Kernel performance ? Thank you.
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1answer
105 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 ...
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0answers
60 views

Ubuntu 14.10: Extremely bad CPU Performance and heat

Ubuntu is running extremely slow due poor CPU performance, I have fairly good notebook (4GB ram 2.4Ghz Sandy Bridge CPU) and I know thats the cause is the p_state driver from Intel (the substitue of ...
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0answers
44 views

Ubuntu running slowly after accidentally filling hard disk

Ubuntu 14.04 Several days ago, I was running a program which creates large text files and accidentally filled the hard drive. Ubuntu seemed to be doing just fine. The process was still running, and ...
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0answers
32 views

Benchmark phones using Ubuntu Touch?

I have a few used phones running identical fresh installs of the current Ubuntu Touch for Devices and want to benchmark their performance and attributes in the field such as: processor, battery ...
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1answer
137 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 ...
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1answer
65 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 ...
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1answer
37 views

What makes LiveCDs, LiveDVDs, and LiveUSBs slow?

Even on a rather good computer, booting from a LiveCDs or LiveDVDs is really slow, especially in the beginning before the operating system has completely loaded in. What is the major bottleneck in ...
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1answer
45 views

multi-core usage, biased towards core 2?

I have 4 cores in my system. Core 2 is frequently showing 100% usage in htop. Meanwhile Core 1,3,4 show something around 5% most of the time. Is this normal? Is there a way to better distribute Core ...
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4answers
185 views

Robot running Linux is slow to boot

I'm working with a robotic platform (for use in the RoboCup competition) and we run Ubuntu Server 13.10. It's critical during matches that our robots are able to boot as quickly as possible. What's ...
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0answers
27 views

Sudden sluggish performance of ubuntu system

since 3 days a very important system at my workplace started a most peculiar behavior. There is no internet connection on that PC and no updates have been made. When I started the PC 3 days ago after ...
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0answers
551 views

Ubuntu Gnome 14.10 - desktop performance degraded when certain apps are running

I have upgraded from Ubuntu Gnome 14.04 to 14.10 yesterday using standard Software Updater GUI. The upgrade went smooth, however once upgrade was done I've noticed significant desktop performance ...
2
votes
1answer
696 views

`indicator-cpufreq` doesn't seem to work on 14.10

I have a Dell XPS 12 and just installed Ubuntu 14.10 (by completely wiping out the old 14.04 installation). The indicator menu has 2 options, Performance and Powersave, from which I choose ...
2
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0answers
595 views

Upgraded to Ubuntu 14.10 and *everything* lags

Yesterday, I upgraded my Lenovo Thinkpad X1 Carbon (2013) from Ubuntu 14.04 to Ubuntu 14.10. Since then, everything lags, from applications when opened (or 'drawn back in the background' for an ...
3
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2answers
101 views

Performance loss after 30 minutes

This one's baffled me. I have Ubuntu 14.04, 3 days ago (2014-20-10) it started slowing down. I've reproduced it by opening gedit and then closing gedit, when the issue is active it hits roughly 2 ...
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2answers
124 views

Very slow computer, after installing ubuntu 14.04

I have recently installed Ubuntu 14.04 on my computer, and now it is impossible to use it because it runs very slow. I have an old Dell computer with an Intel Pentium R4 CPU clocked @ 2.80GHz. Can ...
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0answers
13 views

How to: autocreation of system performance / health log?

I want my system to create file with a history entries filled by: exact time CPU, GPU, HDD temperatures network total up/down bytes RAM and swap % usage Less important: CPU, GPU, HDD loads ...
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1answer
16 views

Why GNOME3 apps close such long? [closed]

For example system monitor and calculator. It takes about 1 second after clicking close for app to vanish from my screen. Why it is so long. Or it is only my personal bug? PS using Xubuntu 14.04; some ...
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0answers
57 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 ...
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2answers
14 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 ...
0
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1answer
60 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 ...
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0answers
54 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 ...
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2answers
81 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. ...
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2answers
65 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 ...
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0answers
30 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
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1answer
218 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 ...
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0answers
20 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) ...
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0answers
102 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
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1answer
67 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 ...
-1
votes
1answer
176 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 ...
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2answers
204 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 ...
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0answers
31 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 ...
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0answers
70 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
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1answer
274 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 ...
2
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2answers
812 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
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0answers
15 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 ...
0
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1answer
61 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 ...
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2answers
261 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 ...
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1answer
187 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 ...
0
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0answers
22 views

Difference between System monitor and free -h [duplicate]

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 ...
2
votes
2answers
42 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
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1answer
73 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
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2answers
98 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 ...
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votes
2answers
124 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? , ...
0
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1answer
88 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 ...
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0answers
47 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
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1answer
82 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 ...
1
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2answers
253 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 ...