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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47 views

CPU frequency is always at minimum, even if CPU isage is 100%

I don't know when this issue began to happen, it might have been since the time I installed Ubuntu (16.04, fresh). I was observing that Ubuntu was unusually slow, environment was choppy and CPU usage ...
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0answers
25 views

ubuntu is slow after xrandr with 2x2 scale

I recently bought a Dell XPS which comes with HighDpi resolution (3200x1800). For some reason, when I extend my laptop screen to another monitor (1920x1800) all things on this second monitor get ...
4
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0answers
48 views

Degraded performance when upgrading from 10.04 to 12.04 and 14.04 [closed]

Our issue is the difference in performance observed when upgrading from Ubuntu 10.04 to 12.04 and 14.04. We've done some simple reproducible tests that show that even Vanilla Ubuntu 10.04 instances ...
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0answers
27 views

Ubuntu 12.04.5 LTS unbearably slow after entering passphrase for WiFi

I've installed Ubuntu 12.04.5 LTS on an (quite old) IBM ThinkPad T40. Connecting to the internet using LAN works perfectly fine, but as soon as I "Enable Wireless" in the Network Manager, choose a (...
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2answers
70 views

Which Ubuntu flavor? [closed]

I have a HP 255 G3 (specs can be found here) And I can't decide what Ubuntu flavor to install into it, vanilla, Gnome or Lubuntu, because I don't know the core differences in them. (The DE differences ...
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0answers
14 views

Ubuntu14.04 freezing up for no apparent reason

I'll be using my machine for anywhere from minutes to hours and eventually my computer will lock up. The interesting part is that my music keeps playing. I've tried every hotkey I can think of and I ...
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3answers
29 views

Is there a difference in performance between Ubuntu-only computer and Ubuntu installed on a Windows machine?

I mostly work with Ubuntu, but most computers available in my workplace come with Windows 7 or 8 or 10 already installed. I can either install Ubuntu in addition to Windows, or install Ubuntu after ...
2
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1answer
45 views

Fresh ubuntu is extremely laggy

I'm running a fresh install of Ubuntu 16.04 on my desktop. It's an i7 processor with 16gb ram and (two) GeForce GTX 560 Ti graphic cards. I'm also running it on a new 34" with 3440x1440. The whole ...
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0answers
16 views

Unusual performance of libblas-dev on Unbuntu 14.04

The package libblas-dev seems to have unusual performance (much faster) in some cases in the following question. http://stackoverflow.com/questions/38042451/cblas-gemm-time-dependent-on-input-matrix-...
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1answer
57 views

Do I need to install Vulkan for better performance?

afaik Vulkan is like DirectX. Will installing it be "like a drivers upgrade" for my system? I mean will my gaming performance be better? Some say it wouldn't and it's just intended for developers. ......
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2answers
203 views

Ubuntu 16.04 running extremely slow, is my system just too old?

I am new to Linux, the main reason I am wanting to use it is to revitalize some older laptops I have. Mainly just for web browsing and some document creation. I installed Ubuntu 16.04 yesterday on an ...
1
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1answer
67 views

How to use available RAM? [closed]

My computer running Ubuntu 16.04 has 32GB RAM, but even on heavy tasks, rarely over 8GB is consumed. I wonder if is possible to tell Ubuntu to use more RAM to speed up the process. Moreover, after a ...
2
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0answers
66 views

Ubuntu slow booting - 'sendmail.service' takes over a minute to load

My ubuntu is booting very slowly. I'll show here excerpts from dmesg where the difference in boot time is larger than one second. Which one of these entries is significant, and which is not? (In ...
3
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1answer
68 views

CPUs are overused with internet browsers, maybe Ubuntu+i5+JS don's work well

I'm having trouble with the Ubuntu 14.04 on PCs Intel NUC i5 8 GB RAM SSD HD. They are used mostly with Google Spreadhseets and are high usage of internet browsers and JS applications. PCs are quite ...
0
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0answers
260 views

VMware workstation on Ubuntu 16.04 is slow

Before that my laptop had Windows 10 and VMware workstation 12 installed and it did run very well. But when I installed Ubuntu 16.04 and VMware in it, the performance is not good. VMware is lagging ...
0
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1answer
231 views

My Ubuntu 16.04 is running very slow

I am using Ubuntu 16.04-i386 and I've been facing this issue from last few hours, I was trying to install Valgrind (Memory check tool) in my Ubuntu, so I installed the package from the website. I ...
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0answers
26 views

Program stutters when mouse is still [closed]

The solution can be found on StackOverflow I'm trying to write a program in Java, using Eclipse. I'm on Ubuntu 16.04. The program runs smoothly while I'm moving the mouse cursor. As soon as I stop ...
2
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0answers
109 views

Ubuntu 16.04 kills session when resource usage is extremely high

I'm working on project in hadoop on my computer. When I start some job consuming most of the available resources (100% CPU, high RAM usage) 'something' kills my user's session and all its processes. ...
3
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4answers
123 views

Is there a way to increase performance by reducing image quality?

I'm using Lubuntu on a reasonably OK notebook (Fujitsu Siemens w/ 2GB RAM). Still, browsing the INTERNET is a test of patience. Although there is no dedicated graphics card, I would've expected more. ...
1
vote
1answer
44 views

Can Ubuntu utilize a i7(4 core)?

My pc has 8 Gb ram with a intel i7(4 core - logical 8) processor and NVIDIA GeForce GT 610 (2GB) graphics card. One of my friend told me that Ubuntu or any linux distribution can not utilize this ...
1
vote
3answers
38 views

Ubuntu acting slow. Does size of partition affect performance? If yes how do i make the partition bigger. If no then how do I make it less laggy [closed]

I just installed Ubuntu alongside Windows XP and it is acting really slow. Before I installed, I made the partition 20 gigabytes. Does the size of the partition affect the performance? If so, how do I ...
0
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0answers
19 views

How can I improve my Z800 performance using Ubuntu?

I have been a Mac user until very recently when I decided to buy a new Desktop computer. Since I am mostly interested in bioinformatic work such as genomes and transcriptome analysis, the computer I ...
1
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1answer
572 views

Ubuntu 16.04 is slow and lags

I am running Ubuntu 16.04 on my laptop HP Pavilion G6 2320tx. The specs are: i5 processor 4 GB RAM Radeon graphics 7670m After using it for 10-15 minutes, everything starts lagging. Clicking ...
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0answers
24 views

I/O Performance on my mounted drive is extremely poor

I have a windows 7 machine. I have installed Oracle Sun Virtual Box here. On this Virtual Box I have Ubuntu 14.04.2 LTS installed. I have mounted a remote windows network share in my ubuntu using ...
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0answers
61 views

Slow Ubuntu 14.04 LTS on Dell PowerEdge R220

We installed Ubuntu 14.04 LTS 64-bit on Dell PowerEdge R220 server but the system is really slow. Do you know whether this is because of a missing driver or it is something else ? Memory: 3.7 GiB ...
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0answers
35 views

Java based application is really slow

I am using Ubuntu 16.04. I have a big problem with java based application. When I use java based application, the application always become really slow. The application I used are Cytoscape and ...
0
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0answers
32 views

How much will installing Macbuntu affect the performance of a low-spec system running Lubuntu?

How much will this theme affect performance on Lubuntu 16.04? The system in question has limited hardware. Intel Atom 1.66 GHz dual core, 1GB RAM. Will the performance impact be so small as to be ...
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3answers
169 views

Only 1 GB of RAM. Should I go for 32-bit Lubuntu, or 64-bit?

I know this has been explained very well in general, but I want to ask for advice on this particular situation. I hope it's not considered a duplicate. My friend has this old netbook with only 1 GB ...
1
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0answers
80 views

14.04 to 16.04 upgrade : Huge slowdown, why?

I have an older laptop with 2GB RAM. I have been running Kubuntu 32-bit installations for a number of years. I decided to move from 14.04 to 16.04. I had the option of 32-bit or 64-bit. I do have the ...
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0answers
121 views

Slow Performance 16.04LTS

Today I installed ubuntu 16.04 LTS in my laptop. I realized that even without having anything installed and my apt already updated, it features slow and loud noise coming from the hard drive, like ...
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0answers
43 views

Terrible performance

The pc is very slow when I turn it on, but when I restart it then it works normally without bad performance. I tried many distributions and all have this problem. I have a Toshiba C855D-S5307 with ...
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0answers
16 views

Regarding TTFB and CPU utilization relation

I have quick question regarding TTFB and CPU utilization time in waterfall chart. Is there any way to reduce TTFB in front end side? And would CPU utilization will affect rendering or any performance ...
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0answers
50 views

Ubuntu 14.4 running slow

I just bought the new Dell XPS 13 Developer edition which came preinstalled with ubuntu 14.04. After the initial boot it seemed a bit slow, but then it updated and worked fine, then later the same ...
0
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1answer
56 views

How to put ubuntu 14.04 LTS into Performance mode

I've tried the indicator-cpufreq but look at this: Screenshot of the indicator Rendimiento means High Performance and Ahorro de energía means Powersave. Seems like the indicator is obsolete, is ...
1
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0answers
106 views

Windows flickering, lag on window resize

I have a 3 Years old PC (GeForce GTX570, i7, 16GB RAM, SSD, 2x 24'' LCD monitors) and I installed Ubuntu 15.10 (I also tried with Mint). Depending on the graphic driver I installed, I got various ...
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0answers
41 views

Ubuntu running extremely slow on P4 1GB RAM. New Install. Used to run well previously

i am currently running Ubuntu 14.04 64 bit on a Pentium 4 with 1 GB DDR2 RAM. It used to run butter smooth on 2 GB RAM. Unfortunately I had to remove 1 RAM card to use in another old PC. And now, in ...
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0answers
47 views

How to make dragging windows not lagging behind?

I am new to Ubuntu and I feel my window manager (I've tried Unity and Cinnamon so far) is not fully responsive. In fact when I take a window by holding its title bar and moving it around, the window ...
-1
votes
1answer
257 views

Virtual GPU for Ubuntu 16.04 Clients on VirtualBox

Assuming the host OS has a GPU, can anybody tell me if Ubuntu 16.04 clients run using VirtualBox will be able to make use of the GPU through virtualization? I read that GPU virtualization is only ...
-3
votes
2answers
108 views

When can i use linux on my new computer? [closed]

I have recently built a beast! however I am finding it very difficult to use Linux on it. I am still considered a noob for my level of Linux knowledge but I am not new to it. It is comprised mostly ...
0
votes
1answer
88 views

Ubuntu is fast at one moment, but slow at the other moment

I am using Ubuntu 14.04 on my computer that acts as a server. Short pc spec list (lshw): http://pastebin.com/7ud6rpxX The average number of procs is 500 (I have got a little widget that I forgot the ...
0
votes
3answers
71 views

Do I need to clear out swap to make my computer fast again?

I ran a process which used up mostly all my RAM and Swap... I was forced to kill the process, but now I see something strange, my Swap usage has decreased a little bit, but it is still half used while ...
0
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0answers
49 views

Fresh Ubutnu 14.04 on External SSD slow

I installed a fresh copy of Ubuntu 14.04 onto a new USB3 connected SSD drive and it seems to be very slow. The slowdowns are particularly apparent when performing actions such as opening programs, ...
0
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0answers
47 views

kworker CPU hog - waking up from suspend

I have the (apparently very common) problem of 'kworker' hogging CPU usage. As mentioned here, the solution for many is identifying the problematic 'gpe'. This solution seems to apply to my situation, ...
1
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0answers
20 views

Tile server performance seemling inconsistant with SSH Launch vs 'Local' Launch

I am setting up a Dell PowerEdge R410 as a tile server (i.e. a server which serves web map images á la Google Maps) and experimenting with TileStache -- a Python application which handles HTTP ...
0
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0answers
22 views

Performance issue when turning the pc on but dissapears when restarting

I am new to linux. My problem is that when i turn on the pc it is terribly slow, but when i restart the performance normalizes dissapears and the performance normalizes. I had the same issue also in ...
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0answers
24 views

Graphics and CPU Performance Programs

Are there any applications similar to "Razer Cortex" or "nVidia Experience" that will run on 15.10? I really love playing Counter-Strike: Source and Counter-Strike: Global Offensive but they lag ...
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0answers
185 views

Android Studio & Emulator slow performance in Android Studio on Ubuntu?

On my mac Android Studio is usable, however on my Linux Ultrabook, normally a fast machine, Android Studio and the Emulator are so slow (5 mins to start, one response or less per minute) that they are ...
0
votes
1answer
96 views

Will xubuntu and lubuntu give better performance for software development tools

I have tried xubuntu and lubuntu and found battery sacing distro. Will these distros provide me enough performance for using software development tools like eclipse, netbeans, tomcats, xampp etc ...
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0answers
21 views

Performance Alerts

Is it possible & how do I, in Ubuntu to setup a performance monitor / event at a certain performance. I want setup a monitor that calls a .SH script on a couple of things the first and major one ...
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0answers
13 views

What should be compared with ullimit -n

I know that max number of opened files per user is set in $ ulimit -n What is the right way to get a number to compare it with? My guess would be $ lsof | grep "REG" | wc -l but this number ...