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3
votes
1answer
49 views

How am I exceeding USB 2.0 speeds on a USB 2.0 port?

I am writing files to a USB 2.0 drive from a RAM disk, that has a 256MB random filled file on it (created from /dev/urandom to stop the file being compressed too much). When I look at the speeds of ...
0
votes
0answers
18 views

Unix: Traffic Control with pfifo queues

I'm writing my master thesis in computer science and I need to control traffic flows in my testbed. Unfortunately ethernet has got the best effort prinicple, so if there are two traffic flows on one ...
1
vote
0answers
9 views

Measuring Throughput of Remote Mounts

Is there a way to measure the throughput of say a remotely mounted sshfs share or samba share over openvpn in a linux environment?
0
votes
0answers
17 views

In bisection bandwidth how is the network split into two groups?

I've been trying to understand bisection bandwidth and what does it mean by the network being split into two parts? This seems to be highly relivant is it would influence the difficulty of a message ...
0
votes
2answers
88 views

convert db to dbm of a wireless device

I bought a replacement wireless device. I want to compare it's stats with the old one. I'm not very familiar with measuring units. Old device showed 60dbm (I think negative value) as signal strength. ...
6
votes
1answer
207 views

monitoring ISP bandwidth data

On Windows/Linux, what would be a way to run a sample measurement of the bandwidth that I have available? I need to run a measurement at periodic intervals. There are many website which will give you ...
1
vote
0answers
297 views

Using Kinect to measure a building

working as a student trainee I was asked to measure a production hall (and all the machines etc in it) with a laser rangefinder and a folding rule and model it in 3D CAD software (Autodesk Inventor). ...
1
vote
1answer
310 views

What units does `ps -o` report memory usage in?

I'm using a script - memusg - to report the peak memory usage of my rails app. The script uses ps -o to measure memory usage. My question is: what units does ps -o report memory usage in? The script ...
3
votes
2answers
217 views

Looking for a way to make a grid on the screen to help position elements [duplicate]

I'm working with CSS and at times it's hard to see if something's centred. Is there a program or some way built into a browser that I can make a grid appear on the screen? I'm using FireFox on Windows ...
8
votes
5answers
10k views

Is there a USB power consumption meter?

For example, how could I measure the normal power consumption of my USB keyboard? After I get my statistics, I may easily notice when a hardware keylogger gets installed, by the changed power ...
0
votes
1answer
785 views

Very precise measurement software for Windows

I have bought a digital USB microscope: Which can take images like this: I would like to measure – as accurately as possible – the width of the white line on screen, as you see in the picture. ...
1
vote
1answer
60 views

Adobe CS5.1; I want the measure tool as the default; when I use Ctrl-I, the measure (ruler) tool appears… is this sort of thing possible?

I scan many slides, transparencies, and negatives. I need to straighten them often. I would like the ruler/measurement tool under CTRL-I to remain as the default with eveery start of Photoshop. Is it ...
3
votes
2answers
89 views

How to make ideal conditions to measure performance of my app on Windows 7

I want to measure performance of my RayTracer and I want to create some ideal test conditions on my PC. I am using Windows 7. Is there some application, which can turns the system into "measurement ...
0
votes
1answer
155 views

detecting reason for slow LAN

hi we're having a small company LAN with about 10 boxes and a wireless webcam. the problem is that internet + lan is really slow and i'd like to find out which client is causing it. is there a tool ...
2
votes
1answer
213 views

Labeled grid desktop wallpaper?

Summary: I'd like a desktop wallpaper that: is a grid has cells that are each and all labeled with ascending numbers (across) and letters (down), such that the top-left cell is A0 is larger than ...
1
vote
1answer
358 views

How to measure the power consumed by a program in Windows? [duplicate]

Possible Duplicate: Windows application that debug battery consumption I have the following dilemma: I am testing several programs which have power saving features that can be used on ...
1
vote
1answer
342 views

Measure sound input loudness on Linux

Is there a way to measure sound input loudness, specifically from a mike, in dB, on Linux?
2
votes
1answer
361 views

How much power will my 1200W 80+ Gold power supply provide to system components?

I am a bit confused over the terminology and efficiency rating of a power supply. For instance, under 100% load my 1200W 80+ Gold power supply is listed to operate close to 88% efficiency. What does ...
0
votes
1answer
226 views

Minimal image measuring software

I'm looking for a software which enables to measure a distance in an image. Something in the style on Photoshop's ruler and 'guides' system is what I have in mind (but I'd take suggestions in other ...
2
votes
2answers
1k views

How reliable a measure of relative CPU Performance is MIPs?

I notice no marketing mentions MIPs, and its not mentioned in specifications for processors. How reliable is this statistic? By now we all know more Mhz and Ghz is not necessarily a good direct ...
2
votes
2answers
1k views

RAM: unit of measurement for size

Just need it clarified with some references if possible, when I buy 2GB DDR2 RAM. Is the GB measured as gigabyte or gigabit?
3
votes
1answer
185 views

Command-line tool to measure how fast a file is growing?

Is there a command-line tool to measure how fast a text file is growing, in units of lines/second? For small-ish files, I can do something with watch and wc -l, but that measures the file anew each ...
1
vote
3answers
211 views

Software to measure the speed of http browser connections

I'm trying to gather some ammunition about my ISP and it's aggressive traffic shaping of particular websites. So I'm looking for an application that will allow me to see what speeds I get to ...
25
votes
6answers
22k views

How can I log my hard drive activity by program?

I am using Windows XP and am looking for a utility that can tell me the percentage of hard drive activity a program is using. Basically, I'm looking for something like Task Manager and its ability ...
1
vote
3answers
3k views

Recommendations for a cheap USB peripheral for PC to measure voltage [closed]

I'm looking for a cheap USB peripheral that I can use to collect voltage measurement data. The application that I currently have in mind is to measure battery capacity by attaching a known resistance ...
8
votes
8answers
2k views

Cable modem speed test

Are the popular speed tests (cable, dsl, etc) that are available accurate? if so, how? Also, it seems that they only measure download speed of one file and not responsiveness, latency, robustness, ...
0
votes
3answers
3k views

How can I measure distances on online map using my mouse?

There appear to be a number of tools available that monitor the distance your mouse travels in a day, ie here - http://www.google.com/search?hl=en&q=measure+mouse+distance I'm looking for one ...