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
votes
2answers
132 views
+100

Ubuntu is very slow when Intel SpeedStep is enabled (CPU is not used in full speed)

I have a Dell notebook with i7 processor and Ubuntu 14.10. When i disable SpeedStep in my BIOS my computer is very fast but the fan runs very often and the battery gets empty fast. When I activate ...
5
votes
1answer
163 views

KVM guest performance impacted by very long virtblk disk wait times

I have several KVM guests running on Ubuntu 14.04 using libvirt. Their performance is very poor. The intermittent nature of the poor performance with an order of magnitude variability in simple ...
33
votes
14answers
33k views

How do I improve boot speed?

I have seen many videos that make Ubuntu faster, but only makes the desktop faster. I am looking to make my computer boot faster. Is their anything i can do to make Ubuntu boot significantly faster?
242
votes
37answers
166k 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
1answer
54 views

Enable full performance on Sandy Bridge laptop

I have 2nd gen Intel i7 laptop. I use Thermald and tlp for managing battery life (they are great!). However, sometimes I don't care about noise and power consumption, and want the CPU to run at full ...
1
vote
1answer
143 views

InkScape starts extremely slow

InkScape starts extremely slow on a powerful machine (16GB RAM, Intel Core i7, SSD). I did: $ inkscape After 8 seconds the window appears. This happens every time I start inkscape. Is this a ...
0
votes
0answers
9 views

Accessing tty1 through 6 takes unreasonably long

When I try to switch from the X session, it takes very long. Once in tty1-6, going to tty1-7 is instant. Returning from tty7 to tty that is being used, e.g. tty1 sometimes freezes completely, leaving ...
0
votes
0answers
19 views

Samba performance on ubuntu server 14.10

I have a desktop machine with ubuntu server installed which I am converting to a docker repo + media server(using samba -no amahi/firefly etc bloatware). Earlier I was using windows 8.1 and while ...
8
votes
0answers
531 views

What is causing Ubuntu on MacBook Pro to have high CPU usage?

I installed Ubuntu 13.10 on a MacBook Pro 10,1. However, after installing, the kworker process consumes over 90% of CPU usage. I tried the following: (Suggested in this answer) Execute grep . -r ...
0
votes
0answers
24 views

Graphics Performance

My system specifications are Intel Core i5 2500; NVIDIA GeForce 520GT and I am running Windows and Ubuntu 14.04 as dual-boot . I prefer to use Ubuntu, but the Gaming Performance (Minecraft) is better ...
0
votes
0answers
17 views

Java algorithm performance difference between Linux and Windows

We observe a very significant performance difference of an algorithm in java between Linux (ubuntu) and Windows. The difference is 3x-4x in favor of Windows. Test machine is i3770 quad core (8 logical ...
0
votes
1answer
35 views

How should I encrypt Ubuntu Server 14.04 with AES on RAID 10 and RAID 5?

After researching I've come to the conclusion that my set up is just not standard enough to have a direct answer floating about on the interwebs. My Hardware: i7 950 CPU 24 GB DDR3 7 2TB 7200 RPM ...
0
votes
0answers
41 views

Ubuntu 14.04.2 is acting really glitchy and frequently has severe lags and has graphical bugs

Programs will dim and not respond after a while. Opening programs make the screen bug out. Is there a way to fix this without having to reinstall from USB/CD.
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 ...
0
votes
0answers
19 views

Slow Chromebook Acer C710-2847 after 14.04 LTS upgrade

My Acer C710-2847 laptop is slow after upgrading to 14.04 LTS. I tried to watch a movie downloaded on it and it was just like a "Slow Motion" movie while it was fine before upgrading. I also usually ...
0
votes
0answers
17 views

After I installed UFW ssh login very slow

I'm wondering if I made a mistake or if this is the normal case. I turned off password based ssh login and changed it to RSA key exchange. After that I changed the ssh port and then I installed UFW. I ...
3
votes
2answers
6k 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
1answer
47 views

Photoshop CS6 on Wine Performance Improvement

So I'm running Photoshop CS6 on Wine on Ubuntu 14xx. My issue is once I get deeper into work (fairly large images), the performance drops...a lot. When I ran Photoshop on Windows using the same PC, I ...
20
votes
3answers
18k views

How can I measure the execution time of a terminal process?

I'm trying to measure the execution time of a process that I call via the command line (i.e., I want to find out how long it takes to for the process to finish). Is there any command that I can add to ...
0
votes
0answers
38 views

VMware Performance Problems

I've installed Ubuntu 14.04.1 as a virtual machine (VMWare Player 6.0.5 build- 2443746), and it's performing terribly. My host machine is a Core2Duo (E6550) @ 2.33Ghz<br/> 4Gb RAM<br/> ...
0
votes
1answer
30 views

New member with performance question [duplicate]

Just loaded Ubuntu on an older PC and it seems to be running very slow and “choppy”. I am running ubuntu 14.04 LTS on my 2003 Compaq Presario S4000NX. RAM = 993MB Processor = Intel Celeron ...
1
vote
4answers
100 views

Can I get a 100% dedicated CPU to my critical process?

I am looking for a way to get a consistent time measurement (<1% difference between the different runs) for my program under Ubuntu 14.04. perf stat shows that I still get quite a few context ...
1
vote
0answers
52 views

Critical random slowdown issue using KVM/QEMU

I'm having a critical issue with KVM/QEMU which is severely impacting one of my projects and I don't know where to put my hands. I've set up a brand new physical server configured with a 2 x Intel ...
0
votes
1answer
23 views

which version on older laptop? [duplicate]

my 5 yo acer laptop came with windows vista which was just ok. I loaded win7 and it is now extremely sluggish. I'm going to wipe it completely and install an older ubuntu version* I need it for ...
0
votes
0answers
52 views

Upstart vs Systemd Performance

Has anyone measured difference in performance between these 2 systems on Ubuntu? Systemd is coming, and it has it's merits, but I fear Upstart will be tough to beat on Ubuntu, since it had years of ...
1
vote
1answer
421 views

Cross-platform performance testing tool

I want to compare operating systems by performance on my hardware. Is there a cross-platform tool for doing it? I need results of CPU and graphics performance.
4
votes
1answer
528 views

Ubuntu Gaming Question - Poor Performance

So this is sort of a hardware question relating to the performance of games on my laptop. I am trying to play Counter Strike: Global Offensive (Click here for required hardware), and am facing sever ...
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
1answer
35 views

How to check if SSHD works? [duplicate]

I have a Laptop with an 500 GB SSHD and running Ubuntu on it. A friend of mine told me he is not sure if Ubuntu is even capable of taking advantage in terms of performance of this technology. So my ...
4
votes
3answers
5k 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
3k views

Nvidia-settings PowerMizer performance-mode on 12.04.4 64-bit [duplicate]

Whenever I try to set the performance mode of my Nvidia 525M gpu from adaptive to performance, it actually works, but only until I reboot my PC. After a reboot/relog I have to do it all over again via ...
-1
votes
2answers
3k views

How to speed up Ubuntu 12.04

I am using Ubuntu 12.04 and my system is too much slow, I want to speed it up. I have tried several apps and methods like jupitar, cleaning tmp file, but still my system is too much slow. Here is my ...
0
votes
0answers
146 views

Performance Problem Nvidia GPU

I would like to understand why my Nvidia GTX 660M on Ubuntu 14.04 LTS 64X is running slow and eventually speed it up: So, I installed the NVidia proprietary driver: dpkg --get-selections | grep ...
0
votes
2answers
107 views

Terrible performance in desktop at 4K

i'm running ubuntu 14.04, is it a known problem to have bad performance compared to windows? This is my setup: 2x nvidia gtx970 intel i7 5820K monitor: Samsung U28D590 nvidia drivers: 343.22 one ...
0
votes
0answers
18 views

@reboot in crontab could increase the startup time?

I have a script that updates my ip address in the DNS server. Sometimes this script takes 3 or 4 secs to run. I want to know if the script execution time could increase the total startup time of my ...
2
votes
0answers
39 views

How can I make perf script -g python work?

After installing perf with the linux-tools-common package, I still can't use the python/perl scripting abilities. $ sudo perf script -g python Python scripting not supported. Install libpython and ...
0
votes
1answer
23 views

How to check file-level write performance?

In a very similar question, the accepted answer suggests to do: dd if=/dev/zero of=/tmp/output bs=8k count=10k; to measure the write speed of a hard disk. My tests were inconclusive. I have an ...
0
votes
0answers
93 views

Why bumblebee is 5 times slower than nvidia driver?

I have a laptop with Intel Core i5 CPU and Nvidia GeForce GT 640M discrete graphic with optimus technology. I have managed to install bumblebee with nvidia-311 driver on my ubuntu 14.04. The problem ...
-1
votes
1answer
546 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
1answer
149 views

Acer C7 Chromebook running 13.10 slow Performance Graphics?

I see others are having simiar issues but I haven't found a fix. Instead of the Intel fdriver, Ubuntu showing gallium driver. Honestly, the performance is sluggish, I wasn't even sure it was Video ...
0
votes
0answers
84 views

ubuntu 14.04 working slow and hanging lenovo flex2 14

ive been using ubuntu since 7.04 and i've had it on many machines, i was always very happy with the responsivness of the OS compared to windows on the same machine. last week i got a new lenovo flex ...
3
votes
1answer
217 views

VMware Player 7 performance on Ubuntu 14.0.4

My dual-boot laptop (Windows 8.1 + Ubuntu 14.04) I installed, on both Windows and Ubuntu, VMware Player 7.0.0. In other words: Same exact hardware (16GB RAM!) Same VMware Player version (7.0.0) ...
-1
votes
1answer
72 views

ubuntu 14.04 server memory problems

I'm getting this weird memory problem that causes massive slow down on any programs but doesnt want to go away till reboot. so when i do htop the memory usage shows half my ram is used but if i do ...
-1
votes
1answer
39 views

apt-get update starts 'by itself' and never stops running

I noticed my laptop becomes really slow from time to time. I think, but I'm not 100% sure, that this only happens after i plug the power in, and it started happening several days ago. Then I also ...
2
votes
2answers
70 views

Which parts of Ubuntu would you place on SSD and not HDD? (to leverage better system responsiveness without excessive write cycles to the SSD)

Which parts of Ubuntu would you offload from an SSD installed system to HDD or vice versa, to reduce write cycles and still enjoy better responsiveness? I assume the following, but must be missing ...
0
votes
1answer
46 views

Logical sector size for physical sector size of 4096

With many new hard drive disks the physical sector size is 4096. Would it be possible to make the system use a logical sector size of the same size, rather than the default logical sector size of ...
0
votes
2answers
55 views

Any benefit installing ubuntu desktop on SSD [closed]

For a large memory (lots of RAM) Ubuntu desktop machine, is there any upside to installing Ubuntu on SSD ? wouldn't everything be loaded to memory right after boot anyway, making it just superfluous? ...
4
votes
3answers
2k views

Netbook Edition battery life - Ubuntu vs. Kubuntu?

I've been running UNR on my eee 1000 pretty much since it came out over a year ago (I was using easy-peasy before that), but I'm curious about the new Kubuntu netbook edition. Ultimately, KDE is ...
0
votes
1answer
63 views

Cannot play media on Acer Aspire One AO751h

I am having problems with playing media on my Acer Aspire One AO751h on Linux. All media is laggy and jumpy, even MP3s and XVid-encoded video. I know that the laptop IS capable of at least playing ...
1
vote
0answers
34 views

Harddisk operations totally brings down my system respond time to its knees

I have massive system slowdowns during harddisk operations on my PC. My Firefox is responding slow, it gets to a extreme at times that it actually becomes a not responding program and greys out during ...