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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-1
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3answers
19 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
votes
1answer
25 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 ...
0
votes
0answers
38 views

poor performance Ubuntu 14.04 [on hold]

I have the same hardware as my friend and we both run Ubuntu 14.04, however my computer is significantly slower than his. We did a bench mark on MATLAB to see how slow and it turns out mine is 10 ...
1
vote
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-...
-1
votes
0answers
50 views

Gnome Shell is slower than Unity? [on hold]

I've installed Ubuntu on my Asus F5SL laptop (T5750 Dual Core Processor 2.0Ghz, AMD HD 3470, 4GB RAM) with unity. I was curious about gnome and I've just purged everthing about unity like; sudo apt ...
0
votes
1answer
29 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. ......
0
votes
2answers
73 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
vote
1answer
39 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
votes
0answers
45 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
votes
1answer
55 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
votes
0answers
109 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
votes
1answer
127 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 ...
1
vote
0answers
21 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
votes
0answers
45 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
votes
4answers
106 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
39 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
36 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
votes
0answers
17 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
vote
1answer
303 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 ...
0
votes
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 ...
0
votes
0answers
40 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 ...
0
votes
0answers
27 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
votes
0answers
26 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 ...
1
vote
3answers
113 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
vote
0answers
76 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 ...
1
vote
0answers
59 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 ...
0
votes
0answers
37 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 ...
0
votes
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 ...
0
votes
0answers
42 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
votes
1answer
37 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
vote
0answers
76 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 ...
0
votes
0answers
35 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 ...
0
votes
0answers
34 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
224 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
107 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
82 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
67 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
votes
0answers
46 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
votes
0answers
40 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
vote
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
votes
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 ...
0
votes
0answers
23 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 ...
1
vote
0answers
133 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
87 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 ...
0
votes
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 ...
0
votes
0answers
11 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 ...
0
votes
1answer
48 views

Slow display rendering on ATI Radeon with rotated display

I'm running XUbuntu 14.04 and I have a AMD Radeon HD 5450 graphics card and two Dell UltraSharp U2415 24" displays (1920x1200) where one display is rotated to be portrait. My system has never been ...
0
votes
2answers
97 views

Ubuntu lagging a lot in my laptop

I just installed Ubuntu on my PC, but it lags a lot. My pc runs all other OS at high speed, only Ubuntu is really slow. System specifications: Lenovo y_40 8 GB RAM 500 GB HDD Intel® Core™ i7-4510U ...
0
votes
0answers
43 views

Performance mode in a Desktop enviroment

I'm running Ubuntu Gnome 15.10 x64 in a desktopPC. What really annoying me is that each restart or start begin running in a power-safe mode.. It could be useful with a laptop, but in a desktop ...
0
votes
0answers
45 views

Choppy windows, slow animation/performance

So basically I just did a fresh install of ubuntu 15.10, I installed a recommended driver, which is nvidia-352. I recorded a video to show what's happening http://www.youtube.com/watch?v=5BE7D4MOzF8 ...