Definition Performance, in the context of computer sciences, is the measurement of work done by a system during a fixed period of time. A system is understood as anything that produces some kind of measurable output. It can be a single algorithm inside a program, an entire program, a computer ...
0
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1answer
30 views
Can't diagnose why all of a sudden my computer is incredibly slow even though the cpu%, or mem usage doesn't change
I have had 3 operating systems(Ubuntu, Win7, Win8) on my computer and I have reformatted the drive for every new install. Sometimes all of a sudden my computer is really slow(I can barely minimize a ...
1
vote
0answers
12 views
Laptop is super slow on network
So on our network we have a bunch of wireless macs and window Operating laptops, we have a network setup with 802.11g,b,n. All the laptops seem fine except one which is only getting speeds of 54Mb. I ...
0
votes
0answers
33 views
Disable Offline Files (mobsync.exe) on Windows 7 Home
This morning I was watching the CPU graph of a Windows 7 Home laptop and noticed that every few seconds, the CPU would spike several percent. I watched the processes and determined that it was ...
0
votes
2answers
53 views
vim is slow, even on console without X running
I'm using Arch Linux and I installed vim from the official repos.
It runs OK, but when I have syntax and cursor highlight turned on, it is extremely slow.
I already trying running only the 'core' ...
0
votes
0answers
26 views
How to disable Itunes (pre-)?caching of artwork?
I found pages on the net, that say to disable it in "Settings/Advanced/Performance", but my iTunes (10.6.1.7 on Windows 7) doesn't seem to have such thing - there are preferences/advanced, but no ...
-2
votes
0answers
35 views
Why are download/upload speeds so slow between South Korea and Europe? [closed]
This might not be the correct place to ask this question, but I didn't really feel that any of the other sites fit better.
On a recent business trip to South Korea, I noticed that their internet ...
0
votes
0answers
28 views
A lightweight linux operating system? [closed]
Possible Duplicate:
Lightweight GUI Linux distribution for really old computer
Running Linux on Old PC
I currently have with me installed Windows XP. It works fine, it's just that I have ...
0
votes
1answer
22 views
Add more drive capacity to MacBook Pro an optimize for performance
I have a MacBook Pro (MacBookPro6,1) that came with a 500GB Seagate 7200rpm disk (ST9500420ASG)
Having already maxed out the RAM to 8GB now I want to:
optimize drives for performance
add more ...
2
votes
6answers
133 views
Computer slow or is it just me?
My main computer these days is a Laptop with an SSD.
Besides that, I have a desktop gaming rig. It is from last year, but it still runs recent titles really well. Crysis 2, Witcher 2, Diablo 3, not a ...
0
votes
1answer
37 views
OSX 10.7: improve boot-up speed
On my old Core2Duo Mac mini I have OS X 10.5, 10.6 and 10.7. The first two boot quite quickly (~20sec), but 10.7 needs approx. 1min to show the login screen. On my new Core-i5-Mac mini (8GB RAM) the ...
2
votes
2answers
20 views
Is there a way to file the cause (or target file) of disk write operations in linux (RHEL6.1)?
I have a virtual machine with a php based application (in apache) on it, when looking at disk activity there is a constant 170kbps write when apache is running.
When we apply load then the ...
0
votes
1answer
27 views
Process exceution slow because of unnecessary dll lookups
I am having performance problems with a small program that is sometimes started very frequently on a machine. It is a 32bit program being run on a 64bit machine. It is called im_comp.exe and is ...
1
vote
2answers
77 views
Windows 7 home premium(64) hardware limitations
I'm one click away of buying Intel I7 Ivy Bridge 3770 3.4Ghz Gaming Pc Computer 1tb 16Gb GTX 550 Ti 1Gb Z11+ the computer is without Windows but I have extra copy of Windows 7 Home Premium 64bit.
...
1
vote
2answers
102 views
Very slow computer; strange console messages
I have an iMac running OS X and since yesterday my processor has been working hard for no particular reason. The computer hangs for a few minutes, then I can work again, then it hangs, etc.
Here are ...
4
votes
1answer
48 views
Copying to a network shared folder extremely slow
Have three computers both with windows 7 connected to each other with a TRENDnet gigabit switch, have a folder on computer A that is set as shared folder under the advanced sharing settings for the ...
1
vote
2answers
47 views
HDD is very slow after voltage drop
The HDD is Seagate Barracuda 7200.7 160 Gbytes
Model ST3160023A. Of course it is not SATA.
I once connected it to the USB via special adapter IDE-to-USB, and a separate power unit. The voltage drop ...
0
votes
1answer
43 views
VMware virtual HD performance with Truecrypt on the host - Use 2 GB chunks?
Configuration:
I am using VMware on a laptop computer, which is truecrypted as a theft precaution.
The VHDs are ceated as single growable files (i.e. not split in 2 GB chunks, no preallocation of ...
1
vote
2answers
65 views
Does Intel Smart Response Technology benefits from a main SSD hard disk?
I've been trying to understand what Intel's SRT does. As far as I know, it uses an SSD to create some sort of RAID with the main hard disk (which may be a mechanical drive) and uses it to cache ...
0
votes
4answers
184 views
Win 7 running slowly with low CPU usage and memory
I have a relatively new (under 2 yrs old) windows 7 machine. It has 9GB of RAM, and an i7 core CPU (930 @ 2.8GHz w/ 8 CPUs). After about 8 months since a clean install, I noticed my computer was ...
0
votes
0answers
23 views
Calculate disk i/o of the disk on my laptop [closed]
Possible Duplicate:
How to measure disk performance?
How do I calculate the maximum disk i/o for my windows 7 laptop?
Similar, how do I calculate the maximum disk i/o for my external ...
1
vote
1answer
27 views
How popular OSes handle localhost connections?
Is there any noticeable overhead when sending data? Or systems are smart enough to optimize it and it's practically as fast as coping data within RAM?
-3
votes
2answers
78 views
What addon causes Firefox to open new tabs so slowly? [closed]
Possible Duplicate:
How to investigate why my firefox is so slow?
Sometimes I have to wait for about 20-60 seconds before I can type anything. Firefox is singlethreadedly CPU-bound during ...
1
vote
2answers
54 views
Stop services when not used
My PC is installed with softwares like Visual Studio 2010, SQL Server 2008 etc.
I need these softwares very rarely, for example once in a month.
How can I improve my PC performance by stopping ...
1
vote
2answers
131 views
What are possible causes of keyboard lag on my desktop machine?
I am running Windows 7 and began experiencing keyboard lag in most applications, and it seems to be getting worse. Certain websites are the worst - on some, I can type a sentence, take my hands off ...
2
votes
2answers
2k views
How mSSD Hard Drive Acceleration Cache improves performance?
I am looking forward to buy a laptop and while configuring online from HP's site for model dv6tqe
...
0
votes
1answer
82 views
Why is Windows Vista slow? [closed]
Possible Duplicate:
What are the first steps for diagnosing a slow machine?
Why does my computer run fast after a clean install?
I am using Windows Vista. It has been installed for over ...
2
votes
2answers
94 views
Why do file copy operations in Linux get slower over time?
I have 12 ~200 MB files. Copying one of them to another drive takes 20 seconds. When I try to copy all of them at once, it first says it's going to take 5 minutes, then it keeps slowing down into the ...
1
vote
0answers
33 views
Copying from WHS 2011 backup very slow
I'm setting up a new computer to replace one of my old ones, and part of doing so is extracting my Home folder from a backup I made just before wiping the old one. However, copying from the mounted ...
1
vote
3answers
120 views
Is my Graphics Card slowing the entire system down?
OK, so I have just put together a new machine, using all new shiney parts except my graphics card, which I thought would be man enough given that I'm not using this a gaming machine at all.
The ...
1
vote
1answer
92 views
Ubuntu slows terribly on disk access
I'm very new to Linux systems but not computer systems. I installed Ubuntu on my laptop and it took a little longer to load then I'd like but seemed okay. The problem showed itself more seriously when ...
0
votes
1answer
71 views
PC became slow without reason
My computer suddenly became slow two days ago, without any apparent reason. I thought it was a malware or something like that, so I formatted my computer, then reinstalled Windows 7 with the official ...
0
votes
1answer
53 views
Is there a performance impact for using a graphics card connected via ExpressCard?
The performance difference between laptops and desktops is not really large today... with the exception of graphics cards. I was thinking of replacing my gaming desktop with a laptop, and using some ...
1
vote
2answers
70 views
How Can I Isolate What is Slowing Down an Office Network?
The company I work for has very limited internet bandwidth in the office (~ 3.0MB). I believe that is 3 up and 3 down. Normally, the speed is sufficient, however, periodically it comes to a ...
0
votes
2answers
56 views
Getting a windows 7 box as reliable as possible
We're looking to use an existing (decent) windows 7 box in a small theatre for sound playback and possibly some video (using http://www.showcuesystems.com/ mainly). I'm a mac and debian guy normally ...
1
vote
5answers
238 views
Is is neccessary to reinstall your OS after adding more RAM?
I know my question today is subjective but I feel it requires some debate to once and for all put this myth to bed.
I've heard some myths and i'm not sure if it's true or false, but basically, the ...
-2
votes
1answer
59 views
what is causing my new build to run slowly? or is being bottlenecked? [closed]
I just built a new tower. Not the greatest, but-since I don't game, it's nice enough for me.
antec 902
asus M4A78LT-M board
AMD 1065 6 core, (2.9)
seasonic 520 modular
corsair H60
...
0
votes
0answers
38 views
Windows 7 goes silent out of nowhere
I have a very annoying and weird problem. During runtime my sound disappears but the volume control shows that something is playing. I can't hear anything though.
I noticed that all my media players ...
0
votes
1answer
58 views
How long does it take for TRIM to kick in?
I have recently (half an hour ago) managed to change my SSD from IDE to AHCI mode. This should also enable TRIM, which in itself can also improve performance, right?
How long should it now take ...
1
vote
0answers
60 views
Virtualized guest vs host CPU usage
I am using qemu with kvm as my hypervisor. I am running a gentoo guest on an ubuntu host. The guest is being given a single processor.
When I run a compute intensive job (say empty-loop) I get almost ...
0
votes
0answers
25 views
Linux RHEL-W 6.1 laptop slows suddenly with fan running hard
I have an 8-core Linux laptop that's been working fine, but the last couple days of last week it started to suddenly run slowly. My project build takes about 8 times longer than normal. The fan will ...
0
votes
1answer
38 views
Ubuntu - inconsistent performance with software raid-1
I'm installing a new system using soft-raid 1 with two physical disks. While running a few tests (after waiting for the initial sync to complete) I found the harddrive speed was highly inconsistent.
...
9
votes
4answers
685 views
Flatmate uses torrents, will this slow the internet connection?
I share the internet with two other people and I know one of them uses utorrents and is constantly downloading. When her computer is off the internet is substantially faster, would this be because of ...
0
votes
1answer
132 views
Windows 7 Hard fault / Page fault and memory bottleneck
Windows 7 resmon displays 0 hard faults.
But perfmon shows pagefault around 60 and perfmon /report tells me my system swaps actively.
AFAIK not every page fault is hard fault: page could be stored ...
1
vote
0answers
62 views
Dell Inspiron has become unresponsive
My Dell Inspiron laptop was slow from the beginning but I was able to do all my work comfortably. The last few days, though, it has become too slow to do any work.
It is unresponsive for any type of ...
0
votes
1answer
85 views
Computer lags on simple tasks
I have a Dell Precision M4600 mobile workstation laptop. I feel as though it is a very powerful computer, but it seems to react very slowly sometimes (Just playing a youtube video or opening a ...
4
votes
1answer
226 views
Troubleshooting slow SSD
I have a Mushkin Enhanced Chronos 120GB SSD (http://www.mushkin.com/Digital-Storage/SSDs/MKNSSDCR120GB.aspx). Its performance is rated as:
Capacity: 120GB
Read Speed: up to 550MB/sec
...
0
votes
1answer
188 views
Should I have any issues hosting Minecraft on a dedicated server running an Intel Atom D525? [closed]
Anyone have experience with these chips?
So far I've had up to 6 on at once during testing periods and everyone said it performed fine with no lag.
The specs are CentOS, Intel Atom Dual-Core 1.8 Ghz ...
4
votes
3answers
130 views
Dual-Virtualization vs. Dual-Boot vs. Single-Virtualization
A friend of mine recently suggested something that intrigued me: in the case of needing multiple Operating Systems simultaneously, instead of dual-booting or using multiple computers, one could use a ...
2
votes
1answer
146 views
8 hard drives, very same model, software RAID0, terrible performance
I have 8 hard drives in my PC, assigned as storage.
Three of them are attached to the mainboard.
Four of them are attached to a controller [ SiL 3114 ]
One of them attached to an another ...
0
votes
1answer
43 views
Is there a difference between two same capacity RAM's from two different companies?
I don't want overclocking on RAM's.
Is there a difference in performance between two same capacity DDR3-1600 RAM's from two companies?
Is the extra 8-10 dollars worth it?
