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
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1answer
211 views

Why do I get the same FPS with “optirun glxspheres64” in comparison with just “glxspheres64”?

vblank_mode=0 optirun ./glxspheres64 Polygons in scene: 62464 (61 spheres * 1024 polys/spheres) Visual ID of window: 0x20 Context is Direct OpenGL Renderer: GeForce GT 750M/PCIe/SSE2 218.417930 ...
0
votes
0answers
66 views

I don't have a graphics card in my machine. Can I still use Ubuntu?

I want to install Ubuntu 15.04 on my pc. My PC specs- 500 GB HDD Intel i3 2.93Gz processor No graphic card is present. Can I use Ubuntu with this Hardware configuration?
0
votes
1answer
38 views

How do I measure the total server resource usage for commands?

I am using Ubuntu 12.0.4 64 bit server edition and I have to measure the server performance for some specific programs. Is there a way to record the total System resource usage by a specific command? ...
0
votes
0answers
164 views

How can I profile Unity (lightdm) in Ubuntu 15.04 to help resolve performance problems?

I'm having some performance issues in Unity on Ubuntu 15.04. The Unity dash lags and many applications lag when being resized or fullscreened on 4k resolution. Let me preface this with a few things. ...
0
votes
0answers
302 views

Ubuntu Gnome doesn't run properly on my laptop

I'm using Ubuntu Gnome 15.04 and it's get hobbled sometimes. for example, when I try to move to some other window, it doesn't move smoothly, or when I watching a video on youtube - it's "spiky".. did ...
4
votes
2answers
218 views

How do I diagnose a sudden slowdown

Running a particularly compute-intensive task on my computer (Tecra W50) for more than a few seconds causes it to become very slow. Performance does not return to normal after the task completes. ...
2
votes
2answers
80 views

nVidia GeForce 2 Aopen MX-400 64 Mb video card is slow [closed]

My motherboard burned out and I replaced it with another lga755 with a better processor, E8400 4 core vs E5200 2 core, with more memory, 6 Gb. The motherboard did not come with integrated ...
0
votes
0answers
58 views

how to boost up ubuntu 14.04 performance in Sony VAIO E series?

I am using Ubuntu 14.04 LTS and getting very low performance. I have 4Gb RAM and intel core i3-2330M 2.20 GHz processor. Is it possible to improve performance?
0
votes
1answer
257 views

GUI for monitoring CPU usage (including L1/L2 caches) in real time?

Is there any GUI available in Ubuntu which shows detailed CPU usage, including L1/L2 cache usage? So that while running a custom program, I can monitor the CPU utilization in detail. The default ...
1
vote
1answer
275 views

Choose Different Screen Layouts with Latest NVIDIA Driver Dual 4K Setup

I just bought a ASUS PB287Q monitor and hooked it up (via HDMI) to my ASUS N550JK-DS521H. Everything works...but the performance of rendering on the external (right) monitor is terrible. So bad I can ...
1
vote
3answers
83 views

Speeding up ubuntu machine [closed]

Does below command improved performance of the machine: sudo sync && echo 3 | sudo tee /proc/sys/vm/drop_caches I know this is for freeing RAM. Please guide
1
vote
1answer
159 views

Sluggish Desktop Experience on Laptop with External 4K Monitor

I just bought a ASUS PB287Q monitor and hooked it up (via HDMI) to my ASUS N550JK-DS521H. Everything works...but the performance of rendering on the external monitor is terrible. The experience on the ...
0
votes
2answers
76 views

How do I deal with mplayer2 forwarding latency?

I use smplayer as default player on ubuntu 15.04, which is provided by mplayer2 now. It takes mplayer2 more than 3 secs to forward a video, which is unacceptable. On ubuntu 12.04 or 14.04 LTS, ...
0
votes
0answers
36 views

what is status “ fsnotify_mark_destroy ” in wait channel?

Recently Iam seeing lot of "fsnotify_mark_destroy" as the wchan state for process .May I know more details on this status
2
votes
2answers
130 views

Compilation time slow on a single computer

We are experiencing some really slow compilation times on a single desktop computer that we use as the primary workstation for a research project. Compiling our codebase on this computer takes 42 ...
0
votes
1answer
56 views

Performance problems with Ubuntu 14.04

My computer's performance (A 2012 Macbook Pro, i7 with intel hd 4000), specifically with gaming, has been lacking in Ubuntu compared to my other operating systems, OS X and Windows. I feel like this ...
0
votes
0answers
37 views

What should be my Wine configuration

I use a laptop with 3rd Gen CORE i5-2410M with 6 GB of RAM. I wanted to know what would be the best configurations(suggest me regedits and other things) for wine that could be done for playing games ...
1
vote
3answers
65 views

Does shutting down and restarting Ubuntu have an effect on its performance?

This article talks about how OS's accumulate all sorts of unnecessary things in the RAM due to continued use. Is this the case with Ubuntu too? Just curious as my computer has been getting a bit ...
1
vote
1answer
285 views

No hardware events in perf list on PC w/ Intel Core i7-4770 CPU running Ubuntu Server?

I have dell desktop with Intel Core i7-4770 @ 3.4GHz CPU. There, I have installed Ubuntu server 15.04. Afterwards I have install linux-tools-generic and linux-tools-common to install perf tools. ...
3
votes
1answer
1k views

Shutdown Takes too much time in Ubuntu 15.04

I upgraded Ubuntu 14.10 to 15.04 about a month before, after upgrading I'm facing too much of performance issues and it also takes too much time to shutdown. Is there problems with this new release of ...
7
votes
2answers
8k views

CPU benchmarking utility for Linux

I am looking for a utility that will benchmark CPU performance under single and multi threaded instances. At present I have an old rig with a dual core CPU (E7500) at 3.6 Ghz and I am looking at ...
0
votes
0answers
329 views

Perfromance in gaming, In Ubuntu 15.04

I have problem with game performance, for example in War Thunder when I'm setting up a lowest graphic settings I have around 20-30 FPS (same situation in CS:GO), it's very poor performance for my ...
1
vote
1answer
163 views

Video Editing Performance?

I'm relatively new to Linux but love using Ubuntu and it has become my preferred OS for daily use. I am really disappointed I don't seem to ba able to edit video on Ubuntu 14.04 with my Lenovo ...
5
votes
2answers
3k views

14.04, I have Disabled CPU throttling, but installing Atlas says: “CPU Throttling apparently enabled”

My PC is using ubuntu 14.04, and I need install Atlas. Atlas says: it need to disable CPU throttling, I have done the job to disable it. cat ...
2
votes
1answer
210 views

How do I use dmesg to diagnose slow boot speed?

I've installed Ubuntu 15.04 on a new Lenovo Thinkpad S440. With 8 gig of RAM, an i7 and an SSD I expected Ubuntu to boot in a few seconds, instead it seems to be taking almost a minute. I've read a ...
1
vote
1answer
360 views

Ubuntu very slow startup

My new laptop is taking very long (a few minutes) until it reaches the log-in screen. Here is the output of dmesg: http://pastebin.com/MuW79kVd I think the important part is the following gap in ...
0
votes
1answer
368 views

ubuntu 14.10 too slow to open VLC player

my ubuntu 14.10 is too slow .It takes about a min to open a video in VLC media player. Even other software are too slow to open. My Laptop is new & has high end specifications.
0
votes
1answer
33 views

Ubuntu 12.04 lags very bad at my laptop

So I recently decided to change from Windows XP to Ubuntu 12.04 on my crappy 1gb RAM & 1.6GHz laptop. The problem is that it lags A LOT. Like first 5 minutes I can use it fine but then it just ...
1
vote
0answers
130 views

Home Computer Build Designed For Optimized Performance With Ubuntu

Perhaps this is not a question for this forum, but I hope I can get some good info here. I currently dual-boot Ubuntu on a MacBook Pro. The OS performance is unreliable on my laptop, so I am hesitant ...
0
votes
2answers
158 views

Can I really experience performance in a LiveCD context?

I don't know exactly how LiveCD works, but I know that everything is happening on the RAM memory, so a great part of the RAM would be used by the OS itself. Can I really experience performance in a ...
0
votes
1answer
160 views

Slow/laggy system on a mid-end PC

I just moved from Windows 8.1 3 days ago (which was running very good in terms of performance and multi-tasking). I'm using Ubuntu 15.04 with KDE Plasma 5.3 installed and the system isn't fast as it ...
1
vote
2answers
581 views

Ubuntu 15.04 intalled on older computer is running slow [duplicate]

I just installed Ubuntu 15.04 on an older computer because it could not handle many of the features included with Windows Vista. I thought I would try Ubuntu to improve performance. However it isn't ...
0
votes
1answer
73 views

How can I improve my system performance?? As it is working very slow [duplicate]

I have Dell Inspiron N4050 i5 2gb. Am running dual boot (Ubuntu 14.04 along with Win7). As I am a new user (more specifically learner). In Ubuntu am facing several issue regarding the performance. ...
1
vote
0answers
377 views

Ubuntu Host in VirtualBox has long delays before startup

I run Ubuntu in virtualbox on a windows 8.1 host. After some updates of the guest, it started to have lags/delays before it starts. It also shows some warnings. After it starts, everything is fast. ...
1
vote
0answers
155 views

Vivid / Poor performance on Football Manager 2014

When I launch a new game, I only have one star for performance, even for 1 league only, despite a good configuration for this (i don't want 3D view of matches): Xubuntu Vivid x64 / Intel Celeron ...
0
votes
1answer
148 views

My Ubuntu on AWS is very slow

I have Ubuntu 14.04.1 install on AWS and it was getting slower and slower Not knowing what to do I updated and upgraded my system It did not help Testing disk usage (df -h) I get Filesystem ...
1
vote
1answer
214 views

Slow raid5 resync with WD Green drives [closed]

The Question Why is my initial resync so slow? Initially cat /proc/mdstat reported ~ 30000K/sec. I then increased /sys/block/md0/md/stripe_cache_size from 256 to 16384. That increased the speed to ...
2
votes
1answer
1k views

Automatic switching between performance and powersave mode on plugging in/out the power supply

Recently I've been trying to investigate why my laptop is so slow. I found out that it runs at ~600Mhz, regardless of the power supply being plugged in or not. Note that it's Intel i5-2540M nominally ...
1
vote
0answers
193 views

Lubuntu on ASUS 1215

I have a ASUS Eee PC 1215P netbook (Seashell series) and liked to migrate from it's original MS-Windows 7 to Ubuntu/Lubuntu. There are documents on Ubuntu official website website which certifies that ...
1
vote
2answers
497 views

cpu is always at high consumption 50% - 90%, what can be checked for solving?

My platform: Host: Ubuntu 14.04.2 Virtualbox ubuntu 14.10. The cpu of the client 14.10 is always reach at high consumption, although no app running. After a start up, I launch nothing, the cpu is ...
3
votes
2answers
572 views

Worse compiz performance in Ubuntu 14.04LTS

I know this question has been asked multiple times before, but they seem to be like 3-4 years old now and I could not find any associated with Ubuntu 14.04. Also, solutions mentioned there do not ...
0
votes
0answers
20 views

Why is Ubuntu so slow? (I'm a new user) [duplicate]

I am new to Linux. It seems to be that Ubuntu is much slower than other Windows OS. Please show me how I can improve my computer's performance. Thank you very much in advance. Theo
0
votes
2answers
807 views

Setting to High Performance

When I had Windows 8.1, there was a power option for "High Performance" which allowed higher performance at the cost of power supply. Is there a way to set my power option to "High Performance" on ...
0
votes
1answer
95 views

how to check if zfs is using the kernel module

I am having perfomance troubles (transfer rates only about 50MB/s using 6 2TB server hdds WDC WD2003FYYS, each doing app 150 MB/s) with my raidz and was hoping to increase it with the ZFS on Linux ...
1
vote
0answers
62 views

Why is my system unbearably slow?

I have a Thinkpad Edge E430, Core i5 dual core, 4GB RAM, Ubuntu 14.04 64-bit. It is pretty common for my system to freeze in such a way that the mouse cursor still reacts, slowly, lagging - but ...
2
votes
1answer
93 views

Any benefit to uninstalling unused applications?

I am a newcomer to Linux and after a few months of trying out different distros I have now settled on Ubuntu 14.10 on my aging HP TX2000 Notebook. One thing I am unsure of is if there is any benefit ...
-1
votes
1answer
215 views

Recommanded step for Apache and mysql Performance tuning

I googling lots of sites and forums to solve issue but i didn't get result as my expectation. I installed successfully Ubuntu 14.04 LTS on ProLiant DL360 hardware with LAMP environment. Hardware ...
1
vote
1answer
140 views

Ubuntu performance drop

I upgraded to Ubuntu 14 and it seems im lagging. I started playing a 2d rpg game on steam and my whole pc is a bit sluggish. I read that I should use xubuntu or something. I'm on an intel HD processor ...
8
votes
2answers
3k views

Very slow Chromium browser

On my machine Chromium is very slow, I had to switch to Firefox where everything works fine. Looks like this is a kind of JavaScript problem (eg. slowed down typing on Facebook), pages loading slower, ...
1
vote
1answer
193 views

What can I do to restore disk performance on slower Ubuntu VM

I have Ubuntu 12.04 (x86) running under VMware Workstation 10.0.5 on a Windows 7 x64 host. Disk access in this VM is noticeably slow - it takes ages just to start Firefox, for example, and the disk ...