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
0answers
290 views

ubuntu 12.10 64-bit consuming 100% cpu power and high battery

I am new linux user, installed ubuntu 12.10 (64-bit) from wubi (getting boot option (windows7/ubuntu). But after opening ubuntu, laptop gets heat up, fan running very fast and performance is very ...
-1
votes
1answer
440 views

AMD Athlon II x2 270 performance

I want to buy a new PC. I want to know how does this CPU works fine on Ubuntu. It's an AMD Athlon II x2 270. I'm not asking for a review. I just want to know if it works fine on Ubuntu, because I've ...
2
votes
3answers
486 views

Format partition to what block size for photos only

I have a lot of photos and am working on them extensively, mainly going quickly through them back and forth via a Photo Browser and also doing some work via scripts. Would that make sense to format ...
3
votes
1answer
2k views

Mir the X Server replacement [closed]

I read much about the X Server replacement Mir, but I am not quite sure which benefits it will have. Ok it is a newer technologie, the currently used X server uses code that is twenty years old or ...
1
vote
1answer
82 views

Several Questions regarding software on Ubuntu 12.10

So, i recently installed Ubuntu 12.10 but i have problems setting up my microphone, i got a creative sound-card and i already tried ALSA. Second i need to have adobe cs 5.5 installed for studying but ...
0
votes
1answer
344 views

How to remove performance lags while playing Ragnarok on Wine?

I have just installed Wine and PlayOnLinux. Its performance is very lagging when I run the game (Ragnarok) and type my username and password. How can I improve the performance and remove any ...
1
vote
1answer
42 views

Non-symmetric core load when playing a game

I play Serious Sam 3 on Ubuntu 12.10 amd64 with AMD Phenom II X4 955 processor. And all time I play it there was fully loaded only one core. Command mpstat 1 1500 -P ALL after some time gives ...
1
vote
1answer
815 views

System very Slow, Trying to find the bottleneck

I have Ubuntu 12.10 installed in Sony VIAO E Series VPCEH16EN, 4GB RAM, 320 GB HDD, Intel Core i3-2310M Processor 2.10GHz. It is a dual boot with Windows7 alongside with it. I see the system is very ...
0
votes
0answers
33 views

Ubuntu 12.10 - really slow performance [duplicate]

I'm very new to Linux/Ubuntu - just installed it on my PC today for the first time ever. It seemed like a great alternative to Windows 8 which annoys me. Unfortunately, even though the installation ...
2
votes
2answers
2k views

Unity dash terribly slow [duplicate]

Unity dash is very slow for me, and completely useless. It needs more then 5 seconds to open, and after that I cant type smoothly. It used to work better before, but probably broke with some ...
2
votes
1answer
2k views

How can I save my laptops battery from draining? [duplicate]

I am using ubuntu 12.04 (switched from windows 8 recently) and I am finding that this OS is draining my laptops battery like anything (works only like 70% of windows). I also found this interesting ...
4
votes
2answers
600 views

Ubuntu 12.04 is sluggish

I have a Lenovo G580 (4GB DDR3, ~500 GB HDD, Intel i3). I installed Ubuntu using the in-Windows installer on my Windows 7. Ubuntu was (and still is) slightly sluggish. By sluggish I mean, the OS GUI ...
1
vote
1answer
111 views

CPU performance decreases with AC power

I am doing CPU-intensive work on my Thinkpad X220 laptop and I find the performance bad. Interestingly, the CPU becomes more powerful if I disconnect the AC power and run only on battery! It does slow ...
0
votes
1answer
316 views

Ubuntu 12.10 on Asus Q200E is super slow, how to improve?

The primary symptom is that apps frequently freeze up, graying out. I've read that the gray is a visual signal from compiz for apps that have become unresponsive. It happens so often that the ...
6
votes
1answer
1k views

Assign more than 1 CPU/core to a process

I lost the password to open a PDF file I need to access, so I installed pdfcrack with the hope to recover my password. Actually it's one month that pdfcrack is running but I still am waiting for the ...
1
vote
0answers
66 views

Ubuntu runs terribly slow on my desktop [duplicate]

I have a Ubuntu 12.10 partition on my secondary SSD, while the bootloader and windows 7 partition are one another SSD. My desktop is a gaming rig running an Intel i5 3570k, ati Radeon HD 7870 OC, 8gb ...
-2
votes
0answers
185 views

Will running Cinnamon on 12.04 slow down ubuntu? [duplicate]

I really like the Cinnamon interface ( already know how to get cinnamon on Ubuntu) Just need to know if it will slow down my computer. I use Unity on 12.04 Ubuntu As requested here are my computer ...
0
votes
1answer
549 views

netbook slow on ubuntu (and win 7). Tips and tricks for speeding up

My computer just broke down so I got a new one on second hand because I need one in the mean time while it's on repair. I got a 10" Dell Inspiron mini 1012. However, it's slow. Really slow. Usually ...
12
votes
4answers
6k views

How do I limit Dropbox's activity on the hard disk?

On startup, Dropbox runs files indexing, which brings the system pretty much to a stand still for three minutes. Is there a way to restrict Dropbox from accessing the hard disk, or decrease the ...
0
votes
1answer
2k views

Performance tuning/diagnotics help needed… (12.04LTS 64bit, LVM, & LUKS)

I just performed a fresh install of 12.04LTS 64-bit, using the alternate CD, with LVM and LUKS. Install went fine but I've noticed a few quirks and was hoping for some pointers/suggestions from the ...
0
votes
1answer
81 views

Why did my video performance decresase recently?

I've been running ubuntu 12.04 for the last month without any problem, just yesterday a problem with the video performance came up. I'm using compiz (always used it) but now, everything is slower and ...
3
votes
0answers
113 views

Does enabling ACLs have an effect on performance?

I'm looking at a web application that needs ACLs enabled. Are there any benchmarks or other documents to show what potential impact ACL does{n't} have when the file system is under heavy load? Also, ...
2
votes
2answers
770 views

Improve Ubuntu 12.10 performance on VM

I am using Ubuntu 12.10 on a virtual machine in Win7. It is really slow and I wanted to ask what can I do to improve it. I have set 2GB RAM(from 4GB on physical machine) and 16GB hard disk for the ...
4
votes
2answers
934 views

2 GB Ram, but Ubuntu runs slowly and hangs if doing too much

I think my system more than meets the minimum/recommended requirements for Ubuntu, but its still running slowly. Especially when I try to multitask by having 4-6 windows open, then it becomes quite ...
6
votes
2answers
4k views

Slow SSD + dm-crypt with Luks encryption in Ubuntu 12.10

I have an 128 GB SSD installed in my laptop (Samsung 840 Pro) on a Sata 3 interface. This laptop also has an i5 3210m Ivy Bridge Intel processor and 8 GB of RAM. I installed Ubuntu 12.10, using the ...
10
votes
1answer
2k views

Measure FPS of the game

I'd like to find an analogue of Fraps or any other fps counter on Ubuntu 12.10. After some googling I found 2 solutions: To use Mumble (I found it from this discussion). This solution didn't work ...
2
votes
3answers
3k views

Why is my Intel SSD 520 so slow?

I'm running a fresh installed Ubuntu 12.04 LTS with ext4 on a SSD 520 by Intel. My mainboard is an ASUS Crosshair (latest BIOS 1207) with a Sil 3132 SATA Controller which claims to support SATAII. I ...
4
votes
5answers
20k views

Can Ubuntu run on Intel's NUC devices?

I was wondering if anyone has experience running Ubuntu (or any other Linux) on Intel's NUC computers? I was not able to find any reports on linux running on this device, only windows 7/8. Update: ...
1
vote
4answers
197 views

What is the solution to laggy scrolling on a computer with low specs?

This is my first Ubuntu OS - 12.04. I have a 2.79Ghz Pentium D processor (quite an old one) and 1.24 GB of RAM; only integrated graphics card ( 96 MB or something). There is a noticeable lag when I am ...
2
votes
1answer
246 views

Ubuntu EXTREMELY slow on MacMini

So I have an older MacMini. It's not the world's greatest machine, but it doesn't suck that badly: Intel® Core™2 CPU T5600 @ 1.83GHz × 2, 1gig ram I have installed Ubuntu on MUCH weaker machines ...
1
vote
1answer
130 views

Why is CPU usage higher in Windows 7 after installing Ubuntu 12.04 via windows installer?

For normal usage, CPU consumption is above 80% for windows 7. This happened only after installing Ubuntu 12.04 via windows installer. Why is it so?
1
vote
1answer
476 views

How safe to move some system folders into ram?

Here is my pc specs Based on this tutorial I made following changeds to fstab tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0 tmpfs /var/tmp tmpfs defaults,noatime,mode=1777 0 0 tmpfs /var/log ...
1
vote
1answer
828 views

Unity really slow on Radeon 6950

I was wondering if anyone could tell me what I need to do/if my system should be able to run Ubuntu 12.10 smoothly. Asus sabertooth x58, i7 3.2Ghz, 12 GB 1600 DDR3, x2 HD Radeon 6950 2GB, ...
1
vote
2answers
996 views

Slow Samsung 830 SSD!

I did a fresh install of Xubuntu 12.04.1, ext4 with discard option & swappiness set to 0, mounting temp directory in RAM, (8GB.) I found performance was not stellar, in fact, marginally better ...
0
votes
2answers
791 views

Low performance in Ubuntu 12.10: is there a problem?

I have the following specifications: Memory: 3 Gb Processor: Intel® Core™2 Quad CPU Q6600 @ 2.40GHz × 4 (32 bit) Available disk space: 271 gib Kernel Linux 3.5.0-17-generic GNOME 3.6.0 I'm ...
3
votes
1answer
308 views

What programs can I use to improve network performance? [closed]

What programs are available to see the performance of my pc? My internet seems to be loading very slow and I have a business internet connection. I ran the command lshw -C network and this is what I ...
2
votes
1answer
2k views

Is there a performance difference between running .NET applications via Mono and running them via the .NET framework on WINE?

I've been using WINE coupled with .NET for ages to run .NET applications, but I recently found out about Mono, a cross-platform, open source version of the .NET framework. I was wondering: since ...
5
votes
2answers
938 views

Ubuntu 12.10 64 bit Slow

I am new to linux and was wondering why launching applications is so slow. I've tried both Ubuntu 12.10 64 bit and Ubuntu 12.04 LTS 64 bit Computer Specs: Toshiba Satellite p755 CPU: Intel core ...
5
votes
2answers
982 views

Optimizing Unity 3D launcher

I had been using Synapse and Docky for launching application and finding files. I really love unity but I am seriously facing problem when I want it to appear quickly and search quickly application ...
2
votes
3answers
508 views

What distro of ubuntu to choose when I focus on performance? kubuntu? [duplicate]

Possible Duplicate: Lighter in CPU/Memory Usage: Lubuntu or Xubuntu I do have an old laptop. it has 512mb of ram and weak processor. I would like to use it only for internet(www and email). ...
1
vote
1answer
44 views

Is the Disk Image Installation Efficient Enough?

I was just wondering, is it efficient to have the entire Ubuntu file system on a Windows file. Currently I am using the option to directly boot from Ubuntu, as opposed to running it as an application ...
3
votes
0answers
445 views

Slow loading of pages (browser performance)

I have Ubuntu 12.10 installed. I notice for certain webpages, firefox and chrome both load them very slowly. In fact, while text content loads quickly, both of the browsers seem to be loading ...
1
vote
1answer
206 views

slow(er) HDD performance

When watching a movie (simple avi) and my torrent client (transmission) runs simultaneously, the movie slows down. I think this is a HDD performance issue. It does not exist on windows 7/8 (same ...
1
vote
1answer
684 views

Is there a simple way to diagnose Unity performance issues?

The Unity Dash and HUD are slow to open, sometimes freezing the system for up to four seconds when I first hit the Alt or Super keys. Is there a simple way to find out where the time is going? The ...
5
votes
3answers
610 views

Downloads killing internet on my home network

I am currently having a problem with my wireless. Whenever I try to download anything it kills the internet for every other application(tabs within the same browser, browsers on other computers on the ...
2
votes
0answers
145 views

What does this fix for non-responsive mouse and keyboard do?

I'm using Ubuntu 12.10 and found that after about 20 minutes of work that my mouse and keyboard became very unresponsive. So I found the following fix (logging in as root - careful!!!): sudo -i To ...
1
vote
2answers
420 views

Cat 6 Only 100mbit speed

I tried two different cat6 cables directly connected between my two ubuntu machines. This one I ordered online: http://www.amazon.co.uk/gp/product/B002SQPDXS/ref=wms_ohs_product only achieves 100mbit ...
3
votes
2answers
7k views

How do you apply performance tuning settings for Native zfs?

I am currently running an Ubuntu 12.10 Desktop with some zfs pools. I have installed ZFS using the following instructions and from the PPA it contains: https://wiki.ubuntu.com/ZFS I have a ...
0
votes
1answer
218 views

Flash suddenly insanely jerky (but low CPU consumption)

I'm using 11.04 (I know that support has been dropped) 32bit on my Desktop machine. I never had performance problems with Adobe Flash on Ubuntu. But since today, all flash videos in browsers are ...
1
vote
2answers
2k views

SSD caching (e.g. ASUS P9X79 WS) ‒ possible on Ubuntu?

Some motherboards such as ASUS P9X79 WS support something called “ASUS SSD caching”. You can connect 1 HDD and 1 SSD to 2 designated SATA ports, and IUUC, you can have a setup in which the motherboard ...