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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21 views
+100

Accessing tty1 through 6 takes unreasonably long

When I try to switch from the X session (tty7), it takes very long. Once in tty1-6, going to tty1-7 is instant. It feels as if the time a tty7 -> ttyX switch takes was a function: tty7 -> ttyX ...
3
votes
1answer
55 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 ...
0
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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 ...
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
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2answers
140 views

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 ...
0
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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
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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.
0
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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
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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
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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 ...
0
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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
0answers
53 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 ...
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 ...
0
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0answers
53 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 ...
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 ...
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 ...
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 ...
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
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 ...
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
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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
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 ...
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 ...
0
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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 ...
1
vote
1answer
145 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 ...
3
votes
1answer
218 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 ...
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 ...
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
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? ...
0
votes
1answer
64 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 ...
0
votes
5answers
127 views

Ubuntu runs super slow [duplicate]

I have an Acer Aspire computer that contains: Intel Atom CPU 1.33 GHz x 2 2.0 GB RAM Gallium 0.4 on llvmpipe (LLVM 3.4, 128 bits) Disk 243.9 GB I thought that Ubuntu would run faster than Windows ...
0
votes
0answers
231 views

Stuttering and slow graphics in Ubuntu Gnome 14.10

I recently installed Ubuntu Gnome 14.10 and every time there are 2 or more applications windows open everything lags(especially the activity overview and when chrome or rhythmnox is open). It's a HP ...
0
votes
1answer
39 views

Are proprietary drivers better for battery life?

I have an Intel HD 4400 onboard video card. I was pondering getting the properitary linux drivers from Intel. Will this increase battery life and performance? Does this apply to other components as ...
0
votes
0answers
36 views

Slow performance on good hardware? 12.04

I am experiencing slow performance on good hardware, here are my specs: Ubuntu 14.04 LTS Memory: 8 GiG (7.7 Usable) Processor: IntelCore i5-3210M CPU @ 2.50GHz x 4 Graphics: Intel Ivybridge Mobile OS ...
3
votes
0answers
329 views

Incredibly bad M.2 SSD performance (HP OMEN with Samsung XP941)

I have a new laptop (HP Omen) and have just, after great trials and tribulations, installed Kubuntu on it. The install is a dualboot install along with the factory Win8.1 installation using EFI mode. ...
0
votes
1answer
34 views

Install Ubuntu on an external hard drive

If I install Ubuntu on an external hard drive USB 3.0 is it gonna be slow to work on and do some gaming (Metro, borderlands etc.)?
0
votes
1answer
67 views

Is it usable to install ubuntu over laptop Dell Latitude E5420 already installed with Windows 8.1? [duplicate]

I am using Windows 8.1 on Dell Latitude E5420 and I am interested to give a try to Ubuntu. So to use Ubuntu efficiently, whether would I need to remove Windows and then install Ubuntu or can install ...
1
vote
1answer
54 views

Change Frequency But nothing different

My problem here: root@LeAn:~/Desktop# sh MinPower.sh CPU MHz: 1200.000 root@LeAn:~/Desktop# lscpu | grep MHz CPU MHz: 1200.000 root@LeAn:~/Desktop# python TestCpu.py ...
1
vote
2answers
21 views

Will only Xubuntu be faster than dualbooting with Windows 8?

I have installed Xubuntu alongside with Windows 8. I want to install Xubuntu again without Windows 8. Fresh installation, just Xubuntu. Will this increase this my performance?
1
vote
0answers
16 views

Ubuntu 14 Idle - Non Activity Causes Poor Performance

I'm having an issue with Ubuntu 14. I have a touch screen and I noticed after medium to long periods of inactivity the device "throttles down" and takes a few moments to snap back. When I tap the ...
0
votes
3answers
98 views

Reason for really slow 14.04 LTS performance

Ubuntu newbie/ computer novice with a question on performance. Downloaded Ubuntu 14.04 LTS from a purchased disk. The installation process went flawless. My problem is the OS is crawling (hovering the ...
2
votes
1answer
55 views

Oscillating disk performance

I recently upgraded my server from 12.04 LTS to 14.04 LTS. It used to run flawlessly for 2+ years, perfect in every way, but now I'm getting massive dropouts in the media streaming it provides. So ...
0
votes
0answers
66 views

How to increase Graphics peformance in Ubuntu 14.04 running as a guest in VIirtual Box?

I'm relatively new to Linux, I have played around with Ubuntu for 6 months but not a Linux Expert so please try helping in newbie terms I have Ubuntu 14.04 Running as a Guest in a Windows8.1 Host ...
0
votes
0answers
80 views

Lagging performance on Lenovo E530 running 14.04

I'm having persistent lagging problems on a Lenovo Thinkpad E530 currently running 14.04 but have also had them with 13.10. The system has a an i3 processor, 4GB RAM, 500GB Toshiba SATA-3 HDD and an ...
0
votes
1answer
257 views

TLP don't change CPU frequency

I check CPU clock speed with cat /proc/cpuinfo | grep "MHz", After sudo tlp start and sudo tlp bat still frequency is 2100MHz (Maximum). Could you please help me to solve this problem? I'm using ...