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0
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1answer
23 views

how to compare installed programms on one pc with other performance issues

I have 2 laptops, both run Windows 7,identical configuration. One of them how ever is running extremely slow it takes a very long time to start up and shutdown and also if I need to run a programm it ...
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 ...
-1
votes
1answer
43 views

Upgrade questions

Hi I just upgraded from i5-3450s with Intel HD 2500 to i7-3770s with Intel HD 4000. I also increased RAM from 8GB to 16GB. I have an HP Omni 27. Windows 7, x64 Direct X Version is 11.0, Shader ...
3
votes
0answers
23 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 ...
0
votes
1answer
6k views

AMD CCC and best 3D performace

Which settings in the AMD Vision Engine Control Center does heavily affect 3D rendering performance? This is what i have in the "Gaming->3D Application Settings" section: I'm aiming to alter only ...
1
vote
2answers
66 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 ...
1
vote
0answers
125 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? ...
2
votes
0answers
595 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 ...
0
votes
1answer
28 views

Adding too many plugins/extensions to a browser, affect browsing speed?

I am using extensions added from the official websites like https://addons.mozilla.org/en-us/firefox/extensions/ , https://chrome.google.com/webstore. If the answer is Yes, is there any way to find ...
0
votes
1answer
39 views

Control of CPU performance, possibly P-state, for TV recording

The problem: I am trying to record TV using a Toshiba Satellite Pro (2GHz, dual core, 4GB RAM, 250GB SSD, W7/32 SP1, PCTV 292e USB receiver, Argus TV recording s/w), but am having recording dropouts, ...
0
votes
0answers
29 views

Slow IPC in 4000+ processes

I have an multiprocess application that is dependent on IPC calls. We have around 4000+ processes running. Currently we upgraded the system to RHEL 6.4, and now are observing that IPC calls msgrcv() ...
4
votes
2answers
311 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 ...
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 ...
5
votes
2answers
35k 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 ...
-1
votes
1answer
90 views

Does System Utilities Slow Down My Pc Rather than Speeding It Up?

Is it correct that PC System Utilities are fake; they just slow down your PC rather than speed it up? Can I trust PC System Utilities like System Mechanic, WinOptimizer, Advanced SystemCare PRO, ...
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 ...
0
votes
1answer
61 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 ...
1
vote
1answer
391 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 ...
0
votes
2answers
235 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. ...
3
votes
1answer
1k 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
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 ...
4
votes
2answers
682 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 ...
0
votes
1answer
1k views

How to set permament TCP Windows Size in Windows XP

I'm checking real throughput of my network using iperf/jperf. Test with speedtest.net shows 25/10 - but jperf shows only 5. So I change in jperf the TCP Window Size into 256K - and now jperf shows ...
-1
votes
2answers
582 views

Is software like tune up utilities essential?

Is software like tune up utilities necessary? Can't we perform the tasks using some other free ware tools and built in windows tools?
0
votes
2answers
53 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 ...
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 ...
2
votes
0answers
90 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, ...
0
votes
2answers
213 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 ...
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 ...
0
votes
1answer
270 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
1answer
74 views

Split database index and table files with SSD?

I know in the good old days it was recommended that indexs and tables were placed on different drives to improve database performance. Is this still the case with SSDs when connected with SATA3? With ...
0
votes
3answers
150 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 ...
2
votes
1answer
881 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 ...
29
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 ...
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 ...
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 ...
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 ...
2
votes
2answers
43k 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
200 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
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 ...
2
votes
1answer
360 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 ...
0
votes
0answers
541 views

Is a remote desktop session a background service

I have some virtual machines (xp, windows 7) running on hyper-v for developing and testing purpose. I access those vms only by remote desktop and run on them various software I was wondering if i ...
4
votes
1answer
1k 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 ...
0
votes
1answer
2k 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! ...
-1
votes
2answers
171 views

How to disable Windows UAC totally, leaving no parts of its mechanism in memory? [duplicate]

I know the question of disabling UAC is quite popular and has already been asked here, but my question is more specific. What I seek is not just to get UAC out of my way but to release all the system ...
2
votes
1answer
11k 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 ...
5
votes
0answers
87 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 ...
2
votes
1answer
992 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 ...
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 ...