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28
votes
6answers
1k 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
922 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
485 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
3answers
9k 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 ...
5
votes
1answer
1k 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 ...
5
votes
0answers
85 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
2answers
17k 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 ...
4
votes
1answer
287 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 ...
3
votes
2answers
186 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
799 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
1answer
676 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 ...
3
votes
1answer
2k 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
255 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
2answers
559 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 ...
2
votes
4answers
254 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
564 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
1answer
238 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
2k 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
4k 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
499 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
881 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
136 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
76 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, ...
1
vote
2answers
177 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
172 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 ...
1
vote
2answers
138 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
3k 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
6k 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 ...
1
vote
1answer
3k 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 ...
1
vote
1answer
776 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
80 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
326 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
2answers
2k 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 ...
1
vote
1answer
172 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
70 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
1answer
233 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
100 views

Advanced RAM configuration [closed]

I'm a little unsure about whether my current BIOS ram settings are the optimal for the RAM i have. I'm aware some RAM modules may configure themselves with a bit slower speed by default than what they ...
0
votes
1answer
1k views

MTU, RWIN, and MSS

I have been doing some reading into TCP Receive Window (RWIN), Maximum Segment Size (MSS) and Maximum Transmission Unit (MTU). Right off the bat I have some questions and I need a power user's help! ...
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 ...
0
votes
2answers
482 views

why i7-860 is two times slower than E3-1220?

I have financical trading software. It decodes fast/fix messages. I'm running same binaries on two different machines on very similar set of data. Software receive "messages" and decodes them. The ...
0
votes
3answers
98 views

How to configure Windows 7 for high responsiveness 24 hours a day?

When Windows 7 operating systems is used one a production line, then it has to be configured appopriately. We do not want various services interfering with the software that has to be working with ...
0
votes
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 ...
0
votes
1answer
141 views

IntelliJ Idea for non-Java development

I want to use IntelliJ IDEA for its support of numerous languages other than Java (I can't imagine that I'll ever be doing Java at my current job -- and if I had to, I would just backup settings). I ...
0
votes
2answers
419 views

How to improve the rendering speed with i7 -950 machine and Ge force GTX460

I have a i7- 950, with Geforce GTX460 Graphic Card. Its a 1 GB Card. we use 3dsmax for rendering the various scenes. each frame is taking around 11 minutes. when the grpahics card is changed to GE ...
0
votes
0answers
22 views

Internet browsing in bootcamp much faster than OS X

Hardware: iMac mid 2010 i3 processor 8GB ram Crucial M500 256GB SSD 120 Mbps internet through Time Capsule 4th generation connected with 1 Gbps cat 6 cable Software: OS X Lion Windows 7 through ...
0
votes
0answers
20 views

The relationship between commit charge, standby lists and available physical memory?

Saw this thread but I believe it does not fully answer my question so here goes. I am on Windows 8 Enterprise, 4 Gb RAM on board, pagefile enabled. I am looking at my performance indicators and I see ...
0
votes
0answers
42 views

Multipath tcp application-level performance measurement

I am working on a project related to Multipath tcp and I want to measure the goodput and the RTT at the application level. I don't want to use a traditional tool(netperf, iperf, ...) and I want to ...
0
votes
2answers
32 views

What happens if use different ram chips?

I have an Asus M4A785TD-V EVO Motherboard. Considering this, What happens if I plugin 2 ram chips of different frequency and different latancies? Do both work independently at their respective configs ...