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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4
votes
1answer
2k views

Incredibly bad M.2 SSD performance (HP OMEN with Samsung XP941)

I have a new laptop (HP Omen) and have just, after great trials and tribulations, installed Kubuntu on it. The install is a dualboot install along with the factory Win8.1 installation using EFI mode. ...
0
votes
1answer
47 views

Install Ubuntu on an external hard drive

If I install Ubuntu on an external hard drive USB 3.0 is it gonna be slow to work on and do some gaming (Metro, borderlands etc.)?
0
votes
1answer
185 views

Is it usable to install ubuntu over laptop Dell Latitude E5420 already installed with Windows 8.1? [duplicate]

I am using Windows 8.1 on Dell Latitude E5420 and I am interested to give a try to Ubuntu. So to use Ubuntu efficiently, whether would I need to remove Windows and then install Ubuntu or can install ...
1
vote
2answers
429 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 11....
1
vote
2answers
29 views

Will only Xubuntu be faster than dualbooting with Windows 8?

I have installed Xubuntu alongside with Windows 8. I want to install Xubuntu again without Windows 8. Fresh installation, just Xubuntu. Will this increase this my performance?
1
vote
0answers
28 views

Ubuntu 14 Idle - Non Activity Causes Poor Performance

I'm having an issue with Ubuntu 14. I have a touch screen and I noticed after medium to long periods of inactivity the device "throttles down" and takes a few moments to snap back. When I tap the ...
0
votes
3answers
316 views

Reason for really slow 14.04 LTS performance

Ubuntu newbie/ computer novice with a question on performance. Downloaded Ubuntu 14.04 LTS from a purchased disk. The installation process went flawless. My problem is the OS is crawling (hovering the ...
2
votes
1answer
73 views

Oscillating disk performance

I recently upgraded my server from 12.04 LTS to 14.04 LTS. It used to run flawlessly for 2+ years, perfect in every way, but now I'm getting massive dropouts in the media streaming it provides. So ...
0
votes
1answer
2k views

TLP don't change CPU frequency

I check CPU clock speed with cat /proc/cpuinfo | grep "MHz", After sudo tlp start and sudo tlp bat still frequency is 2100MHz (Maximum). Could you please help me to solve this problem? I'm using ...
0
votes
1answer
87 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 ...
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
0answers
262 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 ...
1
vote
0answers
178 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 (...
0
votes
1answer
3k 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
613 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
85 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 ...
2
votes
1answer
554 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 ...
2
votes
4answers
298 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 ...
11
votes
2answers
4k 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 ...
7
votes
1answer
6k 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 ...
8
votes
4answers
3k 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
votes
2answers
344 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 ...
0
votes
2answers
884 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 ...
0
votes
1answer
24 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 ...
1
vote
0answers
163 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 ...
2
votes
2answers
21 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 ...
-1
votes
1answer
1k 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
2answers
4k 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. ...
0
votes
2answers
291 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 ...
4
votes
0answers
130 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
663 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 ...
1
vote
0answers
149 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) ...
0
votes
2answers
204 views

Why is dash autocomplete (super key) slow on first usage?

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 pyCharm. But it takes several seconds to show the ...
0
votes
1answer
2k 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 ...
0
votes
2answers
504 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 ...
0
votes
1answer
3k 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 ...
11
votes
3answers
50k 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
1answer
143 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
2answers
816 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 ...
0
votes
1answer
729 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 ...
1
vote
0answers
26 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
68 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
433 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
2answers
285 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 ...
-1
votes
2answers
401 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
votes
1answer
488 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
340 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 ...
8
votes
2answers
8k 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 ...
1
vote
0answers
36 views

Total system failure on ubuntu 14.04

I have a Lenovo ThinkCentre that just had Ubuntu 14.04 installed on it. I installed restricted extras, attempted to turn on the firewall in the terminal, and made a few extra tweaks. Now there is a ...
1
vote
3answers
5k views

Getting URL of YouTube video with `youtube-dl` is slow, without downloading video

I want to get the URL using youtube-dl, and the "simulate" option -g that does not download the video. So I gave the following command: youtube-dl -g https://www.youtube.com/watch?v=k4JGSAmu4lg ...