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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26
votes
6answers
25k views

Is it normal for compiz to consume 40% of my CPU with no other programs running?

When I have no other programs running, compiz takes up at least 40% of my CPU. Is this normal? If it is normal, is there anyway I could make this program take a smaller percentage?
1
vote
1answer
1k views

Shared folder access from ubuntu is too slow

I've a NAS. From a windows machine it takes 1 or 2 seconds to access shared folders. From Ubuntu (11.10) it takes half a minute only to shows me the credential dialog box and another half to log in ...
0
votes
1answer
696 views

Poor Xorg Intel GM45 Performance after 12.04 Upgrade

Just upgraded to 12.04 and my video performance feels a lot worse. Running an Intel GM45 with dual 1280x1900 screens. When I switch to a single screen performance is much better. This was the same ...
0
votes
4answers
6k views

Ubuntu or Xubuntu for old PC with P4 2.8Ghz, 2GB RAM?

What should I install on an older PC with a Pentium 4 2.8 Ghz processor and 2GB RAM? Ubuntu 12.04 or Xubuntu 12.04? Or lets ask: would Xubuntu run much smoother than Ubuntu on this old computer?
1
vote
0answers
243 views

Why does sort perform much faster on my Slackware server? [closed]

I have a powerful machine with 32GB RAM, 10TB hard disk storage, and an Intel Core i7 3.3Ghz processor. We installed Ubuntu Server 11.10 and tried some scripts: the most impressive was a sort file.txt ...
1
vote
4answers
4k views

Huge performance issues with nVidia GeForce 7100

There are several reports that say that there are serious performance issues using 12.04 and nVidia 7100. Are there any work-a-round in sight?
1
vote
3answers
144 views

Does creating and working with a encrpyed folder using “ecryptfs-utils” pose any extra pressure on the CPU?

I was thinking about creating a folder which I only can access. I want to know if I create the private folder, does it going to degrade the cpu performance as it may result in heavy encrypting and ...
2
votes
2answers
4k views

Poor System performance on my machine running Ubuntu 12.04(Beta 2 updated to the present moment)

Why is it that my system dies when multitasking(it is happening from 11.10) on Ubuntu11.10(Unity), Kubuntu 11.10(KDE) and Deepin Linux which is based on 11.10(Gnome-Shell) The thing is that I thought ...
0
votes
1answer
323 views

My logon and logout taking too much time ! is there a way to make them fast ?

I regularly use bleachbit to clean my system. Though Login and Logout now taking lots of time.Is there a way to make at least Login faster ? I have done some Kernel updates. I have three different ...
3
votes
2answers
1k views

How do I know if I'm getting the most out of my video card?

My computer at home is a bit lacking, so I want to make sure I'm getting the most out of it while I can. Generally speaking, here are the specs: 4GB Memory AMD Athlon(tm) 64 X2 Dual Core Processor ...
1
vote
2answers
350 views

Intel Graphics Board doesn't run great at Ubuntu. Help me?

It's my first ask here, so sorry for something... I have a notebook ( 3Gb Ram, Core 2 Duo @ 2,1Ghz , Intel Graphics 4 1GB Onboard) and when I open more than 3, 4 softwares, and try to alternate ...
0
votes
2answers
698 views

My laptop hangs a lot

My laptop is 1G ram and 120G hard-disk 1.68HZ processor , I've both Ubuntu and Windows7 on my machine For the last few days, my laptop, running Ubuntu 11.10 has been hanging a lot. A lot of the time, ...
1
vote
0answers
53 views

Why is rvalue write in shared memory array serialised? [closed]

I'm using CUDA 4.0 on a GPU with computing capability 2.1. One of my device functions is the following: device void test(int n, int* itemp) // itemp is shared memory pointer { const int tid = ...
3
votes
1answer
2k views

How to speedup Ubuntu when user home directory on NIS/NFS?

I discovered that Ubuntu 11.04 is kinda slow when you have your home directory on NFS, even when NIS itself doesn't have any performence issues. Still it seems that many applications including ...
2
votes
1answer
871 views

Why does Ubuntu/Linux's UI performance seem to be so much slower than Windows? [closed]

I'm a long time Linux advocate and user (since around '98). I rarely boot up Windows, but when I do, it's secretly frustrating to me how fast things seem to be. For example, when you type in Ubuntu ...
2
votes
1answer
186 views

System Slow After Uprading Ubuntu

i have an ubuntu network machine which has release of 10.04.1 LTS Lucid. on this system i have apache, postgresql and django. for some app. development i have to install php and php-curl... due to ...
1
vote
2answers
711 views

NTFS access very slow , perhaps a hang

I installed Ubuntu 11.10 about a month ago. Very nice. I dual boot it with Windows and have run it on VirtualBox. I hope to transition from Windows to Linux this year. I have many files in various ...
15
votes
2answers
6k views

How to diagnose Ubuntu CPU spikes / IO wait?

I'm using Ubuntu and every couple minutes it goes unresponsive for a half second to a full second, which isn't normally a problem but makes trying to code extremely frustrating when your trying to hit ...
2
votes
4answers
4k views

How well does Intel 3000 HD work?

Right now i have notebook with Nvidia 8400M GS (I know, it's not good card) and it's impossible to work normally when i'll plugin external monitor (1920x1080). Windows 7 can deal with it without ...
1
vote
4answers
10k views

Make ubuntu gnome faster by reducing graphics quality

I'm running Ubuntu 11.10 on VirtualBox and performance is really bad. It takes seconds to respond to a click. Is it possible to reduce the graphics rendering quality or other unnecessary things, to ...
2
votes
1answer
541 views

How can I pre-cache image thumbnails? [duplicate]

I have several frequently-updated folders that contain thousands of high resolution JPGs. The first time I browse into any of them, it takes a long time for Nautilus to generate all the thumbnails. ...
2
votes
1answer
2k views

How do I prevent Ubuntu gradually slowing down to a stop?

I really do not know what is causing the problem of my desktop environment (D.E.) gradually slowing down. It seems to happen in Gnome 3.2, LXDE, XFCE, and KDE. I am running Ubuntu 11.10 and this ...
4
votes
1answer
6k views

Good way to run Java and Eclipse from a ramdisk

It is often suggested to me that to improve the performance of the Eclipse development environment, that I should move the Java JDK/JVM (and possibly Eclipse) to a Ramdisk. I know that the Ubuntu has ...
2
votes
1answer
3k views

How to troubleshoot a slow wireless connection (step by step)?

I am looking for a standard approach to troubleshooting slow wireless connections, regardless of what card or wireless router you have. Pings to the gw in a simple network less than 10 ft away should ...
2
votes
1answer
861 views

ATI Radeon 5800 series dual monitor unity not 3D accelerated

When I had a single monitor setup, without Xinerama, with my current setup of Ubuntu 11.10, ATI 5800 series card, Unity showed transparencies, shadows, etc. (although graphics was reported as ...
3
votes
2answers
6k views

How do I measure performance of a virtual server?

I've got a VPS running Ubuntu. Being a virtual server, I understand that it shares resources with unknown number of other servers, and I'm noticing that it's considerably slower than my desktop ...
9
votes
2answers
12k views

Slow USB 3.0 speeds

Long time forum forager, first time poster. I bought a Toshiba 500 GB usb 3.0 hard drive last week and instantly ran home to see how fast I could push it. On my desktop (that I built) I was able to ...
0
votes
1answer
355 views

Freshly installed system boots slow - unable to understand kernel messages [closed]

When my Ubuntu 10.04 PC stopped booting from one day to the next, I assumed that it is a boot loader problem. I managed to boot from a 11.10 live cd and installed a fresh 11.10 next to the old ...
1
vote
2answers
2k views

Java GUI extremely slow

I'm writing a Java app and the GUI is extremely slow on my Ubuntu 11.10 64bit setup. It takes a few seconds to respond to some action. It runs flawlessly on both Max OS X and Windows 7, it actually ...
3
votes
3answers
1k views

Unity or Unity2D, which will be fastest on a high spec computer?

I have a decent laptop. i7 quad 2.8, 8gb ram, and Nvidia nvs3100m. I wonder which of unity 3d and 2d that would be fastest on my system. Sure its hard to tell. And the question I'm seeking answer ...
3
votes
1answer
397 views

Slow flash on certain web pages

When trying to use www.songsterr.com for listening guitar tablatures i get a few second lag between diplay and audio. Also, while playing on chesscube.com, moving the pieces is quite horrible because ...
4
votes
2answers
8k views

How to reduce TCP latency for gaming?

I use Ubuntu for gaming. In competitive gaming every millisecond matters. I know that many people who use Windows use something called Leatrix Latency Fix which is basically a script that modify ...
4
votes
1answer
179 views

What processes should be ioniced for a responsive desktop?

My goal is to intelligently and permanently ionice the processes on my desktop for responsiveness under heavy disk and network load. By permanently, I mean that any changes made to the system will ...
0
votes
1answer
835 views

Ubuntu 11.10 x64 and AMD Processor slow performance

I'm having a problem with the last distributive of Ubuntu. The problem is that with an Intel DualCore E7500, 4GB of RAM DDR3-1600 and x32 bits type of OS with PAE enabled, I have not met performance ...
0
votes
1answer
103 views

Which directories at / is it safeish to move to a slower (but much larger) secondary drive?

I took the path less traveled and installed Ubuntu on my CR-48. Mostly this is a completely standard install, minus it using ChromeOS's kernel (for drivers) but the main drawback is the 8GB SSD-- it ...
7
votes
2answers
1k views

Is my boot process normal? It takes 50 seconds boot

Here's my boot.log resume: libgcrypt version: 1.5.0 fsck from util-linux 2.19.1 fsck from util-linux 2.19.1 fsck from util-linux 2.19.1 /dev/sda5: clean, 668102/3276800 files, 4449436/13107200 blocks ...
7
votes
4answers
7k views

How does ecryptfs impact harddisk performance?

I have my home directy encrypted with ecryptfs. Does ecryptfs lead to fragmentation? I have the feeling that reading files, displaying folders and login became continuously slower and slower ...
8
votes
4answers
8k views

Does compiling a linux kernel make the OS faster?

Does compiling a downloaded linux kernel (e.g 3.2) make the OS (e.g ubuntu) faster on that specific machine?
3
votes
1answer
220 views

Is there any difference in using switch user and login?

I have configured my Ubuntu Oneiric to automatically login to a standard user account. This setup is for my parents who don't know much about computers. But when I use it I need to login as an ...
0
votes
1answer
391 views

Kubuntu proprietary drivers vs open source

Which driver has better performance with the KDE desktop environment for kubuntu 11.10? Laptop integrated AMD Mobility Radeon HD 3200.
1
vote
3answers
1k views

Ubuntu on older Laptop

I installed Ubuntu on an older computer (with pentium M processor) and it is very slowly. I don't think this is a bug, but just a too slow computer for the standard version. What can i deactivate or ...
0
votes
1answer
5k views

Why is my video playback always bad? [duplicate]

Possible Duplicate: Why are Flash applications so sluggish? I am wondering, why is the HD video playback under Linux so bad? I mean, HD videos are laggy . I've tested many distos, on ...
3
votes
5answers
1k views

How can I improve performance and user experience in 11.10 (boot + shutdown time, graphics, …)

I've been dual-booting with Ubuntu and Windows since Ubuntu 9.04. This was the first time I used Ubuntu and was really happy with it. The boot and shutdown time was very nice and much shorter than on ...
0
votes
2answers
1k views

Why I get non-symmetric usage of CPU on multicore PC

CPU: AMD Phenom II X4 955 Ubuntu 11.10 amd64 I launch some application that use only one core and when I look at cpu-load graphic in gnome-system-monitor I found that all of my four CPU's loaded not ...
0
votes
1answer
99 views

Which hardware upgrade will give me the greatest performance boost with Ubuntu 11.10(with list of currently installed hardware)?

I have the following components in my computer: https://docs.google.com/spreadsheet/ccc?key=0ArazBkOGrxEbdDhjc1lJWklJMEV5RlVrdzVYcHdMYWc The system currently works okay with Ubuntu 11.10 and unity. ...
2
votes
3answers
644 views

Disk I/O makes desktop unusable. System consumes too much memory

I have a long-term problem with my Acer TravelMate 3002WTMi (Pentium-M 1.73Ghz, 512 MB RAM) and Xubuntu 11.10. Whenever load increases machine tends to slow down to the point that it's totally ...
1
vote
3answers
1k views

Problem with Hibernate on Ubuntu 11.10 slow

I installed Ubuntu 11.10 on my machine and I notice several problems with the Hibernate functionality. When I use s2disk/pm-hibernate, I see an embarrassingly slow wakeup from the hibernate state. I ...
2
votes
1answer
657 views

Which Ubuntu version will work best with 845G motherboard?

I have been working with Ubuntu version 11.04 and I have noticed that it is a lot slower than xp. Like, windows take more time to open. Processes take more time to complete. Even surfing the net is ...
0
votes
5answers
14k views

Why is Ubuntu slower than Windows Xp? [duplicate]

Possible Duplicate: How can I improve overall system performance? My system config is-chipset - Intel Brookdale-G i845GEVmotherboard - 01/25/2005-i845G-W627-6A69VM4YC-00video adapter - ...
0
votes
1answer
560 views

Improve VNC connection speed over LAN

I am wondering if there is anyway to increase the performance of a VNC connection. I have an server setup (ubuntu) with a wired connection to the router. Its connected to the house sound system. I ...