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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2
votes
1answer
515 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 ...
1
vote
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
830 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 ...
2
votes
2answers
4k 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
11k 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
350 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
392 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
174 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
830 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
94 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 ...
7
votes
4answers
7k 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
207 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
386 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
931 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
98 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
630 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
2answers
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
636 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
13k 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
537 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 ...
4
votes
6answers
3k views

Should I switch to Xubuntu for better Flash video performance?

I have HP Mini 2133 netbook, with 1200MHz processor and 2GB of RAM. I am currently using the normal Ubuntu. But, Flash videos (on YouTube, etc.) do not play smoothly. I tried all optimizations, but ...
2
votes
1answer
278 views

Is Ubuntu/Unity More CPU or GPU Intensive?

The answer is really important. I want to know if it's more cpu or gpu intensive I'm choosing between sandy bridge and llano.
2
votes
3answers
3k views

Which CPU will work best with Ubuntu?

I'm choosing between two laptops with an AMD A6-3400 and Intel Core i3 Sandy Bridge. I want to know which CPU is better with Ubuntu as in performance? Using laptop for browsing and programming.
1
vote
1answer
244 views

Does removing extra workspaces in Unity2d impact CPU or RAM performance?

I never used workspaces, so I have set number of workspaces to 1. After restarting, unity seems to be kinda snappier. What`s in theory?
1
vote
0answers
137 views

New system runs WAY slow.. What to look for? [duplicate]

Possible Duplicate: How can I improve overall system performance? I have a new Ubuntu installation (11.10) on an older machine (Intel P4 1.7G). System monitor shows CPU usage pegged most ...
1
vote
1answer
1k views

Slow window movement with unity on AMD 6950

I am new to Ubuntu and I like it. I have some issues with the window movement performance (in Unity). My PC has a AMD Phenom X4 955 processor, 4 GB ram and AMD HD 6950 graphics card. So its not that ...
2
votes
1answer
176 views

Can I use kernel-seeds on top of Ubuntu kernels?

Former Gentoo user here. I'm trying to optimize the system by recompiling kernel specifically for my processor and disabling code I won't be using (to reduce memory consumption, improve speed etc.). ...
2
votes
1answer
528 views

Do GNOME Shell extensions have any impact on system speed?

I loved the various extensions available for GNOME Shell but I don't want to enjoy their benefits at the cost of slowing the system down. Is there any known impact?
2
votes
2answers
609 views

Slow startup on a Dell Inspiron 1012

Ubuntu11.10 is very slow to start up and shutdown comparing with ubuntu 11.04. I am using ubuntu 11.10 on a mini Dell Inspiron 1012 (N450 atom) I only have one program in the startup applications and ...
1
vote
1answer
3k views

Flash player performance issues [duplicate]

I have serious performance issues with flash on ubuntu 11.10. the problem manifests itself when I try to play large flash files on hosting sites like gorillavids.com and the like. the playback starts ...
1
vote
1answer
805 views

What software can I use test the performance of my system?

I installed Ubuntu (11.10 64bit) to my new laptop (Asus A53E-XT4), and would like to test capabilities, especially it's 6GB's of RAM. Is there any software in the Software Center (or on the web), ...
2
votes
0answers
450 views

Why do I have poor video performance in browsers with a ATI HD3650 GPU? [duplicate]

Possible Duplicate: How do I fix Flash issues? I'm experiencing poor video performance on Youtube, both in Firefox and in Opera - Flash and HTML5 (all of the combinations). HTML5 is ...
1
vote
0answers
144 views

Firefox is really slow. Could my power supply or Ubuntu be the cause for this? [closed]

I have installed ubuntu 11.10 long time ago and since then i was experiencing graphic performance regressions. With updates some things got better, others remained the same. Things that remained the ...
0
votes
1answer
132 views

Debugging desktop loading delay

Something is causing my desktop to take a long time to load (~15s). I can log in, and it displays my wallpaper, but i cant see my desktop or any menus for reasonably long period of time. How can i ...
3
votes
3answers
810 views

defragmentation of ext2

Is it worth it? there is e2defrag. How long will it takes for 120GB? 8h will be enough? I would like to improve read/write on the hard disc. hard disc seems to be new(9 months old). its in my work ...
1
vote
0answers
3k views

How to optimize Ubuntu to watch 1080p movies in mplayer [closed]

I have copy of Stargate in full HD weighing in at about 10.7 GB. Here is the full file info when opened in mplayer mplayer: Symbol `ff_codec_bmp_tags' has different size in shared object, consider ...
5
votes
1answer
605 views

Why does Lubuntu automatically reset my CPU into performance mode after a short time?

If I put the CPU mode into powersave or ondemand, it works for some time (5-10 minutes) but after that time Lubuntu automatically sets the CPU to performance mode. (I see it doing sudo cat ...
2
votes
1answer
448 views

Why did my install all of a sudden get really slow?

It is just running really sluggish, and slow... Kinda reminds me of when I work on Windows computers that are full of Virii.. Any ideas or suggestions? Let me know if you need any more information. ...
7
votes
6answers
31k views

My system is very slow running Ubuntu [duplicate]

Possible Duplicate: How can I improve overall system performance? I recently installed Ubuntu. I was using Windows XP for years, then I decided to try Linux. This is my computer: 2.40 Ghz, ...
2
votes
2answers
1k views

What can I do to improve Ubuntu 10.10 performance on my netbook? [duplicate]

Possible Duplicate: How can I improve overall system performance? I am not new to Linux, but I've never really dug in and am much more proficient with Windows and Mac OS. I've used Ubuntu ...