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
1answer
810 views

can my 2 GB sd card be used as ram like in windows 7? [duplicate]

I'm trying to increase the ram on my old computer with a 2 GB sd card. You can configure Windows to use an SD card like RAM and I'm wondering if Ubuntu has that same ability.
5
votes
2answers
1k views

How do I improve GUI performance on AMD E2-3200 APU?

I have an AMD E2-3200 APU (integrated Radeon GPU in CPU), running Ubuntu 12.10 (generic Ubuntu image, Linux 3.5 kernel). My ubuntu works too slow on GUI related process. I wonder what is the best to ...
3
votes
2answers
2k views

No Unity, launcher and dash on Ubuntu 13.04 within VirtualBox4.2.12 after enabel 3D Acceleration

I was using Ubuntu 12.10 in my VirtualBox4.2.12 on my Windows7 Host. They worked good. But when I install Ubuntu 13.04 in VirtualBox 4.2.12, the screen and display are very slow. I have followed this ...
0
votes
3answers
6k views

How can I figure out what polkitd is doing with so much of my system's resources?

I'm running 13.04 on an acer c7 (chrubuntu 12.04 install then two system upgrades) and now whenever I use my computer for more than a few minutes, it slows down as polkitd, dbus-daemon, ...
0
votes
1answer
166 views

Ubuntu is 13.04 slower than 12

I've been using Ubuntu for quite a while now, mostly 12. I recently updated to Ubuntu 13.04 and the most noticeable change is that it's overall slower than 12. In particular, moving windows on the ...
0
votes
1answer
223 views

High CPU on video chats : any options?

With googling and finetuning, I've always been happy with Ubuntu. But now I can't find a solution anywhere for the high cpu usage of video conferencing. I have an Asus 1215B eeepc, since more than a ...
0
votes
3answers
2k views

Ubuntu 13.04 is slow on my PC [duplicate]

I have recently installed Ubuntu 13.04 on my PC, and it's quite slow. I'm not sure what is causing the trouble, but it looks to me like it's Unity, because all the applications take a long time to ...
0
votes
1answer
2k views

Messed up with sysctl settings on Precise. Is there a way to restore defaults?

In a quest to improvise internet speed on my slow broadband, I messed up with the below tcp settings in sysctl.conf after following instructions from here. I edited the sysctl.conf, performed "sysctl ...
0
votes
0answers
46 views

Help with Kubuntu slow system [duplicate]

I was wondering if I could get some help with my Kubuntu installation on a friend's old laptop. Got Kubuntu 12,04 running on an old Asus x51r, dual boot with Vista, which I won't be using at all ...
2
votes
0answers
528 views

Hard Drive too slow

My computer has been going too slow since I remember, I tried several tips I found on Internet but nothing worked. After spending some time searching about the problem I found that it might be my hard ...
0
votes
0answers
7k views

How do I speed up my performance on my Ubuntu 13.04 VirtualBox Virtual Machine? [duplicate]

I'm having trouble using my Ubuntu VM (virtual machine). Here is all the information shown on my VirtualBox Manager: General: Name: Ubuntu 13.04 I Operating System: Ubuntu System: Base Memory: 512 ...
1
vote
2answers
331 views

Is this normal CPU/Memory usage for a system that runs nothing but Ubuntu as they start up?

Is this the expected CPU/Memory usage for a pure 13.04 64bit system? I run nothing more than Ubuntu as they are at the moment of the screenshot. ps faux output: pastebin
0
votes
0answers
448 views

Ubuntu 13.04 is extremely slow [duplicate]

I have installed Ubuntu in my desktop (AMD sempron LE-250 2.20GHz 2GB RAM) and is really, really slow when doing simple things like looking for my computer specifications, the mouse moves slow, the ...
2
votes
2answers
914 views

My computer runs slower now on Ubuntu

Recently I have been noticing that my laptop's speed has decreased after installing Ubuntu. I am on a MacBook Pro and I have 4.2GHz and 4GB of RAM. I used to play games like Minecraft before on it ...
3
votes
2answers
715 views

Can I enhance the performance of ubuntu using a sd card by in anyways?

I'm just curious if it is possible do it. I have a spare 4gb sd card.
4
votes
6answers
3k views

Integrated graphics: does Ubuntu work better with Intel HD Graphics 4000 or with an AMD APU (AMD Radeon 7660D)?

I'm planning to build a computer for myself, on which I'll install Ubuntu 13.04 64-bit. This computer will be used for light gaming and office work. In order to save some money, I'm planning to use ...
9
votes
3answers
3k views

Computer running very slowly under 13.04

After having some bouts with windows 8 I decided to throw it out and run Ubuntu as the main operating system. Currently I am having some problems with performance: Even when running the simplest ...
0
votes
1answer
660 views

Why is find running here?

I noticed very high IOwait, even copying/pasting from NetBeans to Firefox was taking several minutes and hanging for a long while. In powertop, I noticed: Usage Events/s Category ...
-1
votes
1answer
239 views

Automatically checking system performance

Is there any program out there for Ubuntu that check system performances and specs?
0
votes
2answers
289 views

Ubuntu 13.4 starts super-slow (90 seconds) on a 2x 2GHz / 4GB Ram laptop

Ubuntu needs 90 seconds to start, Windows 7 only needs 45 seconds. Here is the generated bootchart: Click. I hope you can tell me where it wastes it's time. Laptop specifications: 2x 2GHz, 4 GB Ram
0
votes
1answer
169 views

Performance on laptops running very slow

Hi I am running a duel boot win 7 and Ubuntu 13 32bit on a hp pavilion i7 1.6Ghz cpu and 6 gig ram and ati graphics, I have in the past run other Ubuntu’s and even Linux operating systems and all of ...
0
votes
2answers
201 views

System periodically stalls for less then 1s then resumes normally

Periodically my system stalls for a short while (less then 1s). When it occurs, the mouse pointer hangs or stutters and my keyboard input doesn't show up on the screen. After it's done, the keyboard ...
1
vote
1answer
1k views

Ubuntu 13.04 Running very slow

I just installed Ubuntu 13.04 64. The HD was clean and nothing was on it when I did the install. I have Windows 7 installed on another drive and it runs smooth. The problem I'm having is it is ...
1
vote
1answer
72 views

architecture-independent performance monitor tool

I got to know "perf" tool in "linux-tools-3.2.0-43" for Ubuntu 12.04 which can monitor the performance counts for some micro-architectures, however, the tool is dependent to the cpu architecture and ...
4
votes
3answers
9k views

Recommended testing tools to test MySQL performance?

What is the recommended tool(s) for testing the performance of MySQL 5.5 (innodb) under Ubuntu 12.04? We have purchased a new multi-cpu multi-core server to replace our current MySQL dual-core ...
2
votes
4answers
6k views

Does installing zRam have any advantages on a system without SWAP?

Running Ubuntu 12.10 here, on an 128Gb SSD and a 4GB RAM system. Ever since I installed the OS, I realised that I dont need the swap partition, as I never use the hibernate function and rarely run out ...
1
vote
1answer
920 views

Advantages of alternative kernel

Recently I have seen an WebUpd8 article about an alternative kenrel to the stock Ubuntu kernel, the pf-kernel, that supposed increases performance. I am running Ubuntu 12.10 using kernel 3.5.0-30 ...
1
vote
1answer
305 views

13.04 sluggish after installation, live-cd was fast

I just installed a fresh 13.04 on my macbook, but after the installation it's a bit sluggish. Several problems occur: In chromium and firefox, on google.com, the autocomplete search bar lags. ...
9
votes
2answers
13k views

Ubuntu 13.04 CPU frequency scaling 'stuck' on lowest frequency

I've just installed Ubuntu 13.04 on my MacBook Air, after toying around for awhile the machine felt really slow, so I checked out the CPU frequency. cpufreq-info, it reports 800MHz on all 4 cores ...
1
vote
1answer
3k views

The most optimal operating system to host virtual machines

I have a laptop Toshiba Satellite A505 with following features: Intel Core i3 processor 8kB L1 cache, 64 kb L2 cache, 256kB L3 cache 4 GB RAM 500 GB HDD I have used many operating systems on it. ...
1
vote
2answers
784 views

Why is ubuntu so slow on windows 7 capable system? [duplicate]

I love Linux and I think it is the best OS out there, but for some reason it is noticeably slower than windows 7 on my machine. It hangs a lot, and none of the animations are smooth. It is a HP ...
0
votes
0answers
28 views

What are relevant disk benchmark settings for a desktop system [duplicate]

NOTE: This is not a question about which tools to use to fine tune disks. I am about to replace an HD with an SSD and also to fine tune some of the disk settings. Also, I might distribute my ...
-1
votes
1answer
157 views

Is this Ram usage normal?

My system is Ubuntu 13.04 64 bit + Unity and it uses ~600mb with no other processes-apps open and with preload 900mb, just the core system. Is this the expected amount? It seems a bit steep to me but ...
1
vote
1answer
360 views

Troubleshooting poor performance with ATI HD 5800 GPU

I am attempting again to solve problems between ATI Radeon HD 5800 series (5830) GPU and Ubuntu. Three months ago I posted: Display difficulties with Ubuntu 12.10, Dual Monitors, and ATI HD 5800 I ...
1
vote
3answers
8k views

Optimize Ubuntu 13.04 for netbook (Dell Mini 10v) [duplicate]

I have some slight glitches running Ubuntu 13.04 in my old beloved Dell Mini 10v. How can I optimize the graphics for it? It has got 1Gb of RAM and an N270 Atom processor. Very minimal graphics too. ...
2
votes
1answer
9k views

How to disable Ubuntu 13.04 Unity fancy visual effects?

Unity works very fast but pretty unstable on my PC (with Intel GMA X4500HD video card). For example the Ubuntu purple-black splash screen is stuck as the desktop background (changing it in the ...
1
vote
2answers
4k 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 ...
2
votes
1answer
14k views

Ubuntu running slow on my good machine!

Its fixed now :) I just installed Ubuntu on my PC. I lag a lot. My pc runs all other OS' at high speed, but ubuntu lags like hell. It worked on my old laptop. My Specs: XFX AMD Radeon HD 7870 ...
0
votes
2answers
1k views

Poor performance for VMWare workstation 8.0 with Ubuntu 12.04 on ThinkPad w530

I am having ThinkPad w530 with 16 MB RAM and it has intel core i7 processor. I just installed VMWare Workstation 8.0 and I created a Virtual machine for Windows 7.0. The performance of the virtual ...
1
vote
1answer
273 views

Slow and freezy 13.04 system under Nvidia graphics

I have the same problem under 13.04, I have Nvidia C73 (GeForce7100/nForce 630i) and it freezes randomly when I use Unity icons, the system is pretty slow anyway. I tried the opensource x-org driver, ...
6
votes
1answer
2k views

Is it possible to use both SLI and two monitors at the same time on Ubuntu with Nvidia?

I'm completely and utterly baffled by my inability to use both SLI and a dual monitor setup, even with Nvidia's latest proprietary drivers. Now I have to choose between the ergonomic and productive ...
2
votes
1answer
2k views

How to Limit the CPU usage for a process and its Children wether there is another process demands resources or not

i was wondering about something like CPUlimit to limit the process CPU usage but i am aiming to apply the same percentage of usage for its children processes too automatically without adding them ...
0
votes
2answers
164 views

Reduced performance in bumblebee after 3.0 to 3.2 update

I had installed bumblebee 3.0 for my nVidia geforce 635M card in ubuntu 12.10 and got instant results - temp ad fan speeds reduced, batt backup extended to almost 6 hrs. (from 1.5-2 hrs earlier) and ...
1
vote
2answers
14k views

Performance problems with 13.04 and virtualbox [duplicate]

I just installed Ubuntu 13.04 (daily, full updated) and installed Windows 8 in virtualbox. When Windows 8 is running a have huge performance issues on Ubuntu. Last week I had the same setup with ...
11
votes
4answers
31k views

Unity 2D on Ubuntu 13.04? Or is it too fast to matter

I've consistently always needed to stick to older computers at home. I've tried both 'Unity2D' and '3D' on my present computer (Toshiba Satellite, ATI Mobility 4200 series GPU, can post lshw if it's ...
0
votes
1answer
238 views

Please help me speedup my Ubuntu 12

top - 08:28:09 up 12:59, 2 users, load average: 0.59, 0.47, 0.35 Tasks: 200 total, 1 running, 199 sleeping, 0 stopped, 0 zombie Cpu(s): 7.1%us, 2.7%sy, 0.0%ni, 88.1%id, 2.0%wa, 0.0%hi, ...
1
vote
0answers
2k views

GeForce 8600M GT: Nouveau performance better than proprietary driver?

After installing Ubuntu 12.10 on this computer, I installed NVIDIA's proprietary driver, since I might want to play a few games. I soon started having problems with video and audio. I'd be watching a ...
0
votes
1answer
46 views

Occasional latency spike between two servers

4 servers on a private network which all talk to each other using dedicated 1gbps network adapters. When I mtr from one to another, out of 100 requests, I'll get 98 that are 0.2ms or 0.3ms, 1 which is ...
1
vote
0answers
92 views

12.04 LTS YouTube laggy after update [closed]

I am using Ubuntu 12.04 LTS on a very old laptop, probably was made 7 or 8 years ago. It ran very good for a long time. However, after the recent system update YouTube videos on Chrome became ...
4
votes
2answers
118 views

Many games stuttery - nvidia

Many games I play are stuttery, (run at a fine fps, but pause randomly every second or so). This happens both when running a native game such as Amnesia, and a game through wine like LoL or WoW. ...