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30
votes
6answers
2k views

Programs minimized for long time takes long time to “wake up”

I'm working in Photoshop CS6 and multiple browsers a lot. I'm not using them all at once, so sometimes some applications are minimized to taskbar for hours or days. The problem is, when I try to ...
18
votes
5answers
2k views

CCleaner, is it just FUD?

Is there really any need for software like CCleaner? I really can't see how cleaning a few bits here and there and the registry and deleting temp files that will be back again in a few days help ...
7
votes
3answers
13k views

Increase Outlook 2013 performance?

I feel that Outlook 2013 (compared to Thunderbird) is quite slow at e.g. changing between mail view and calendar view - is there any way to disable e.g. the animation of the transition between mail ...
6
votes
4answers
526 views

does it make sense to disable processor technologies I don't use? (virtualization etc)

In my server bios I've found such technologies: Intel Virtualization Technology Intel VT-d I don't use them as I don't use virtualization. I'm using server for HFT trading and so I want to "win" ...
6
votes
3answers
2k views

Profiling your windows operating system

I am boggled when I click on an application in windows and have to wait 10 seconds for it to respond. I wonder "you can run 16 billion instructions a second, what are you doing that keeps you from ...
5
votes
3answers
545 views

Measure Windows bootup performance [duplicate]

Possible Duplicate: Slow startup on Windows 7 Home Premium laptop I'm running Windows 7 Home Premium on a 2 GB RAM netbook. The Windows startup performance, and when coming out of ...
5
votes
2answers
37k views

What are the best WiFi settings for my situation?

I am trying to tweak my WiFi settings on the router and on my laptop so I can enjoy using the WiFi at my attic. For now I only get headaches because I cannot move freely around with my laptop at the ...
5
votes
1answer
2k views

How to turn OFF Translucent Selection Rectangle in the Windows Explorer (Windows 7)

This is Windows 7. In System properties -> Performance options -> Adjust for best performance It makes what I want only for the Desktop if I go into folder and try to select the files the selection ...
5
votes
0answers
88 views

How does Windows page when there are multiple pagefiles on multiple disks? [duplicate]

Let's say I have two internal HDDs and configure Windows to place pagefiles on both of them. How do pagefile writes occur? Are pagefile writes spread evenly across the disks? Does Windows prefer ...
4
votes
5answers
2k views

How can I “tune-up” a somewhat 'crusty' Mac OSX 10.5 / Leopard Machine?

I recently inherited a pretty decent machine running Leopard. I'm kind of a Mac noob. This machine is (and has been) used by a small non-profit media team for editing video/media and such. It seems ...
4
votes
1answer
2k views

Increasing value of sched_latency_ns and sched_min_granularity_ns

Why do I get an error message when I try to increase the values of these two parameters: #cat /proc/sys/kernel/sched_latency_ns 1000000000 #echo 2000000000 > /proc/sys/kernel/sched_latency_ns bash:...
4
votes
2answers
414 views

What TCP / network tuning should be performed in Windows 7 for best internet performance without reasonable risk of causing issues?

I'm wondering what network / tcp tuning should be done in Windows 7 to ensure best performance (yet without reasonable risk of causing issues). Here's what I have so far (the below commands get run ...
4
votes
1answer
358 views

GPU running underclocked / under normal speed?

I have tried to overclock my card. Seemingly it worked, and the GPU-z shows the OC speed (see GPU3.png). However, current readings are REALLY far from the normal speed of the GPU. That's what I can't ...
4
votes
2answers
696 views

Optimum Swappiness for a Linux System

I have a 64-Bit Linux PC with 4 GB of RAM. How can I find the optimum value of swappiness (/proc/sys/vm/swappiness) to be set? The default is 60 and I don't think it works best for everyone. I am ...
3
votes
2answers
188 views

How do I decide where to place my AP in order to minimize interference?

We have an AP and I'm wondering if we can reduce interference by moving the AP to another place. I know that other APs can interfere and I've set the router to use channels that are more free. But ...
3
votes
1answer
3k views

Pingdom Website Speed Test: Connect time is too long

My e-commerce website was performing poor and I decided to find out the cause. A real good application came in help for me Pingdom Website Speed Test.When I analysed website with this, report was some ...
3
votes
1answer
2k views

Send request body data when running siege

I am trying to use the command line utility Siege to load test a service. The service recieves json in the request body via a POST. I have a file called example-data.json with the json inside. I ...
3
votes
2answers
3k views

Why is rsync slower than NFS?

Using rsync for copying some large files (24MB each): bronger@steed:/tmp$ time rsync -r root@my_nas::media/distortion . Password: real 0m18.128s user 0m2.600s sys 0m5.756s (Substract 2 ...
3
votes
1answer
425 views

Using HDPARM to tune drives

Can HDPARM reallt be used to tune and enhance performance on drives? I've seen tutorials but does it really make a difference?
3
votes
1answer
2k views

Localhost tcp throughput performance differences

I have been using psping for measuring bandwith statistics on localhost on different computers: laptops, home computers and servers. All of them get to between 100 and 200 MB/s but my PowerPc at work ...
3
votes
0answers
49 views

Adjust linux disk flush intervals to avoid blocking user processes

I'm downloading files on a sd card mounted on a raspberry pi using rtorrent, at around 6MB/s (bandwidth cap). The user process doesn't flush the data itself, and the interval at which the disk cache ...
3
votes
0answers
91 views

Utilizing the full power of my workstation

I am not a gamer. Used to be, 10+ years ago. My workstation is strictly for business: Quickbooks Excel Access General Business QuickBooks is tied to a synchronization engine that is synchronizing, ...
2
votes
4answers
290 views

What could cause a computer to slow down over time?

I have an application/game that ran smoothly a few months ago but lately I've realized it runs more sluggish than usual (the frames per second get quite low). I thought maybe something I installed is ...
2
votes
1answer
907 views

Make ReadyBoost cache more aggressively

I have always had a 32GB high-speed Transcend SD card in my laptop for ReadyBoost, but it isn't very helpful because Windows isn't making heavy use of it: the cache size is usually 2 GB or less and ...
2
votes
2answers
201 views

How many processes should I be running to be as efficient as possible?

Here is the situation: I am processing images, transforming them from tif to ecw and reprojecting them. The software I am using one uses one process, and only one core it seems. When I run a batch ...
2
votes
1answer
374 views

IOPS - What are they and what do they mean?

OK I know technically what IOPS are. The technical definition is great but I'm not understanding the broader implications. My knowledge is basically: IOPS are the input and output operations an ...
2
votes
1answer
12k views

How much memory does this java process consumes? pmap and top's result are conflicted

I just want to know the exact amount of memory one process consumes. pgrep java -l 21786 java The total memory I have is 1GB: [root@home tmp]# free -m total used free ...
2
votes
1answer
3k 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 ...
2
votes
2answers
5k views

How to tune MySQL for restoration from MySQL dump?

My little 5GB database which takes 5 minutes to dump via mysqldump, takes 9 hours to restore. Luckily I found this out during a test-run, not an actual emergency situation. What are the best ...
2
votes
2answers
45k views

Disable Intel HD Graphics 4000

A while back, I called HP, asking how to disable the Intel Graphics and force the computer to use my ATI Radeon. They had me go through the BIOS settings, and I managed to get my laptop to only use my ...
2
votes
2answers
644 views

Two hard drives: same specs, different speeds. Need to find the configuration issue

I have two nodes (with 3 dedicated data drives each) that are showing drastically different write speeds. Their 'hdparm' output looks identical and their 'hdparm -t -T' output is comparable but ...
2
votes
1answer
1k views

How can I optimize Mac OS X network log in time?

I'm running an Open Directory server (Mac OS 10.6.7 Server) and a bunch of Mac clients (Mac OS 10.6.7). On the clients, logging in to a local account is fast (less than 10 seconds between pressing ...
2
votes
1answer
144 views

Measure system performance across a group of laptops

I'm working with members of our IT staff to help upgrade a lot of our laptops for web developers. We all do the same type of work but have slightly different laptops. Most of us have Lenovo T61-series ...
2
votes
0answers
1k views

Undervolting with Intel' XTU - which offset should you reduce?

It is a pretty basic question, but I could not find an answer to this via Google. The value you are supposed to adjust is the "voltage offset". However, there are two kinds of values in the utility ...
2
votes
0answers
82 views

Which Windows services and startup programs can I disable/modify to optimize performance/security?

For Windows Vista SP2 and Windows 7: I use this stand-alone (no LAN) computer at home exclusively to browse the internet, nothing else!.. I have another computer I use for development and testing ...
1
vote
2answers
179 views

How to change the performance index of the hard disk

I would like to know how to change the performance index of the hard disk and why it remains at 5.9.
1
vote
2answers
161 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
1answer
1k views

Lightroom 4 slow to render in Develop mode; what part(s) of my PC is/are dogging it?

I made the jump from Picasa to LR4 and switched to shooting RAW in the process. The software boost did not come with a PC boost, but I didn't think it would be necessary; my machine seems adequate ...
1
vote
2answers
74 views

Degraded performance on using external disk

I am fairly new to MacOS, been using Ubutnu from beginning, i was forced to switch to MacBook for work reason. My issue is that when i plug in my 2TB WD passport hard disk, macbook sort of dies....
1
vote
1answer
444 views

LibreOffice Calc performance tuning

I have 350 thousand rows in a LibreOffice Calc table (it's a 35 meg CSV file). I only need to view it, not edit it. Yet, it is very slow at scrolling, filtering, and selecting the cells. What can I ...
1
vote
1answer
5k views

How to optimize Linux Mint performance

I'm running Linux Mint 14 on notebook. This notebook is rather old and really weak. Linux Mint shows better performance than Win7, but newertheless it's far from perfect. What can I do to speed up my ...
1
vote
1answer
4k views

Where from/to install my.cnf for percona db

I am new to Percona db. I just realized that by default percona does not have a my.cnf file installed. I found this from, https://bugs.launchpad.net/percona-server/+bug/673844 In case, I need a my....
1
vote
1answer
837 views

Ubuntu Linux running VirtualBox with Windows 7 as a guest OS

I have a Dell Precision 490 workstation computer which I installed the latest version of Ubuntu Linux on. It has 8GB RAM, and Dual Xenon CPUs, so a total of four cores. The problem is I give my VM ...
1
vote
1answer
84 views

Optimize OS X for performance of single app?

I'm going to be using my computer to run an real-time video display application at an event. This application is processor intensive, and runs well, except for occasional stutters. I'm thinking the ...
1
vote
1answer
378 views

Speed Up Hardware Post by Disabling Features

In my Mobo settings I have the following OnChip IDE Channel10 [Enabled] Primary Master PIO [Auto] Primary Slave PIO [Auto] Primary Master UDMA [Auto] Primary Slave UDMA [Auto] IDE DMA ...
1
vote
1answer
200 views

How to test PC performance before and after “cleaning up” the PC?

There's another post about measuring performance but at least one solution I looked at (NovaBench) measures pure performance of the hardware. (I.e., disk read/write performance, rather than the actual ...
1
vote
0answers
189 views

Speed over VPN is 10x slower than connection to VPN or VPN<=>Destination

I'm trying to setup VPN for my own use. I have noticed very strange issue with speeds which I struggle to understand. Question: What is causing slow download speed from AWSFrankfurt when using VPN? ...
1
vote
1answer
261 views

Linux swap position on hdd

As far as I know hard drives are faster at the beginning of the disk. If this is true, why does Ubuntu put the swap partition to the back of the disk by default?
0
votes
2answers
242 views

Win7: Is there some trick to speed up display a folder's content or the right click menu?

I'm using Windows 7 SP1, now whenever I click on a folder, the File Explorer takes quite some time to display the content inside; also when I right click on a file, the menu also comes quite slow. ...
0
votes
1answer
3k views

How can I find the processes which use the most memory? [duplicate]

Possible Duplicate: How can I display the memory usage of each process if i do a 'ps -ef' For example, how can I find the top 20 processes that occupy the most memory? My Linux system ...