Tagged Questions
2
votes
4answers
63 views
Does Unix grep work faster with long or short search terms?
Is it faster to look for long or short search terms? Or does it affect speed at all? In other words, should you make search terms as exact as possible?
There are more than 100 000 files and each file ...
1
vote
0answers
132 views
Over gigabit connection, Teracopy does 31MB/s, but Windows 8 does it at ~109MB per second?
I got my brain-melting first taste of Gigabit networking today, between my 2011 MacMini and Windows 8 Pro desktop connected via Cat.5e to Linksys WRT320N(sporting dd-WRT).
After making sure that the ...
2
votes
2answers
67 views
Bash Fastest Way to Rewrite Screen
I am using bash on Mac OS X as well as Lubuntu. One of the annoying things about when I make console applications is that
clear
will add a whole (x-number) of lines to the console. And then I ...
8
votes
1answer
274 views
How to measure actual USB3 port speed?
Not all USB3 ports are created equal.
I have a friend who develops embedded hardware that interfaces with USB chipsets. He told me that most USB chipsets that are slightly faster than USB2 (480 ...
0
votes
1answer
66 views
Very slow old notebook laptop- wiping and reinstalling does not help - suggestions? [closed]
So I have an old very small Sharp notebook laptop which is unusably slow. I thought wiping everything and reinstalling windows xp which was originally on it would help but it did not. Only DOS runs ...
0
votes
1answer
71 views
How does clock speed influence processing speed? [duplicate]
How is AMD able to market it's microprocessors mentioning clock speed as less as possible?
How does clock speed influence FLOPS? Which one should I check first, when I'm a cpu or graphics card, FLOPS ...
1
vote
1answer
253 views
Low SSD performance
I have created 2 new volumes on the SSD (Samsung 840 Pro 256GB) from the previous OS installation before re-installing Windows 8 Pro 64 bit on it.
After installation of: Windows, all the latest ...
1
vote
1answer
105 views
Memory Speed dependent on CPU
Is memory performance dependent on the cpu speed, NB, HT, or bus speed? Will a faster CPU yield better memory performance (for example in windows experience index).
1
vote
0answers
35 views
SSD vs HDD for file upload and reconstruct chunk file
Using HTML5, I will have an uploaded files roughly 2 - 10GB per client, uploaded to a server. The script will chunk each file into 100MB pieces, and reconstruct the file after everything uploaded into ...
0
votes
1answer
244 views
Terrible write speeds with Z77 Intel 510 RAID 0
I just bought an Asus P8Z77-V Pro board today, connected my old Intel 510's in RAID 0 mode on the Intel controller and installed Windows 7. I'm gettings read speeds of around 900mb/s, but the writes ...
0
votes
0answers
78 views
How do you measure or calculate the processing power of quantum computers and compare that to computers using traditional processors? [closed]
This question is a four-part question. How do you measure and also calculate the processing power of quantum computers? How do you compare that to computers using traditional processors? For example, ...
0
votes
3answers
128 views
windows is unresponsive but works well in safe mode
I was installing a few utility apps and things when my laptop running windows 7 stopped responding. I tried to reboot and still very unresponsive... the mouse moves but i am unable to click on icons ...
-1
votes
1answer
150 views
Laptop running VERY slow [closed]
My dell laptop is running very slow. It should not run like this, though it's old.
I had Windows XP on it and it was slow. So I installed Windows 7 and it is still slow. I ran HDTune and CHKDSK and ...
0
votes
2answers
436 views
Windows 7x64 Using Too Much RAM and Slowing Down
I have been trying to figure out why this is happening to me. I have about 190+ processes running on my computer at any given point in time. Since I see a lot of people running like 20-30 at a given ...
0
votes
1answer
166 views
First Time Setup Taking Forever to Launch/Install
To start off, I am running a Windows Server 2008 32-bit computer, 8 GB ram (well supposedly only 4 GB would be used). This computer is fairly new, and it is extremely fast in running applications and ...
0
votes
0answers
168 views
Auto negotiation kills speed on 10/100 network
Update
I tested the cable going from my computer to the router, and it turned out wires 6 and 7 were broken. After installing a new CAT5e cable, the problem is solved.
With auto negotiation ...
0
votes
1answer
135 views
Does laptop speed increase with 1 more GB of RAM? [closed]
Hey I have a HP Pavilion DV6500 laptop running windows vista. It only has 2 sticks of 512Mb which is only 1 GB. I am wondering how much faster will it be if I swap those for 2 sticks of 1GB each?
1
vote
2answers
902 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 ...
1
vote
2answers
258 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 ...
1
vote
2answers
1k views
Single spots of slow harddisk performance, but no bad sectors?
I use a Samsung 1.5TB harddisk (EcoGreen F2) and recently tidied up quite a lot. So 500GB is written, the rest is free.
Now when I am copying some huge files (gigabyte sized), the harddisk shows full ...
1
vote
0answers
170 views
ReadyBoost or RSTv10.5 to boost my HDD read time using an SSD? [closed]
I am trying to figure out which of the two following scenarios would perform faster. The system has a 500Gb disk, 8Gb Ddr3 Ram and i7 2600, Win7 x64:
Scenario - ReadyBoost
SSD drive in sata3 with ...
1
vote
0answers
2k views
Why does Dropbox upload at only 1/10th of my internet upload speed? [duplicate]
Possible Duplicate:
Is it me, or is Dropbox really slow?
I have just purchased 50g of storage and am transfering files to go roaming.
My internet speed shows as 860kb/sec on a speed test ...
1
vote
1answer
685 views
Does a full cache slow down firefox page loading speed?
On the road i had to use a slow (64kB/s) internet connection with firefox 6. Max. cache size is 250 MB. While i never had problems with full cache on DSL connections and page loading speed, on very ...
1
vote
2answers
105 views
Which task takes most time during the average work of a CPU? [closed]
What takes most time during the average work of a computer?
Is it actual calculation or maybe accessing memory, and the processor mostly is just waiting for data to come?
5
votes
1answer
183 views
Software, which will make a sound when an application becomes responsive again
I am using several application, which are really slow. They will stay unresponsive for between 1 second and up to five minutes and I do not have any good way of predicting their response times. This ...
1
vote
4answers
646 views
Does having more installed programs slow down a computer? [closed]
I was wondering does having more installed programs in a Windows slow down the computer (like make it laggier because it has to perform more "stuff")?
What about Mac?
(I don't have a computer. I ...
2
votes
1answer
574 views
Why does MSE take a long time to remove a virus?
Microsoft Security Essentials is fairly fast at scanning for viruses, but it takes a long time to remove a virus. It would be much worse if the virus duplicated itself in many files.
I guess maybe ...
2
votes
4answers
83 views
How do I speed up lackluster hardware running Windows 7?
I'm one of very few people at my company who does graphic work, and I do quite a lot of it. Headquarters doesn't quite get that graphics work requires different hardware than, for example, sales work, ...
0
votes
2answers
2k views
Slow internal disc to disc file transfer speed
I ran the HDTune drive monitor while I was transfering about 80 GB of various sized files, most of which was running about 40 MB/s, but you can see where it spiked down to under 1 MB/s.
...
2
votes
2answers
433 views
WLAN very slow at campus (many other laptops connected to same wifi), how to improve speed?
I have an Acer 1810TZ (Win 7 Pro 64bit) with a Intel(R) WiFi Link 1000 BGN. When I'm connected to access points, where only 2 or 3 other devices are connected at the same time, the speed of my wlan is ...
4
votes
3answers
402 views
uTorrent slow upload speed with eSata
I noticed that my torrents won't seed at all if I connect my external HDD with a eSATA connection. I switched it back to USB and it's working perfectly fine now. With eSATA it does upload but at a ...
0
votes
2answers
152 views
Background Program Effect on CPU Performance
Below is a script that runs in the background and modifies the manner in which the backspace key works. It comes from the How To Geek. I believe the script takes ram from the computer, but does it ...
4
votes
3answers
2k views
L2 Vs. L3 CPU cache speed and performance
In the past few years, looking at Intel CPUs, there has been a move from large size L2 cache to large size L3 cache.
A lot of this is due to having more cores on the CPU and wanting to share the cache ...
0
votes
1answer
296 views
Suggested benchmark for testing CPU footprint of antivirus software
Our organization is currently running Symantec Corporate Antivirus, which is rumored to be a big resource hog. I know that we do have a lot of older machines that are running slow. Our PCs are all ...
5
votes
1answer
558 views
Why don't computers work at the speed of light? [closed]
Pretty simple question.
Computers are made using electronics which uses electricity which I presume travels at the speed of light.
If all the components are connected at this speed, why does my ...
1
vote
2answers
696 views
Does a faster hard drive cause a laptop's battery to drain faster?
I currently have a slow 5400 rpm drive in my laptop and I am looking at installing a 7200rpm drive.
The new drive is reported to be 100 times faster than the old drive. The traditional advice would ...
2
votes
2answers
5k views
Hard Drive read speed below 2 MB/sec. Normal? How to improve?
I have a relatively new Western Digital 1TB EADS hard drive (SATA) as my secondary drive. I've always found that accessing certain folders with lots of content (e.g. /Music/) was slow. I ran a few ...
4
votes
5answers
5k views
Do shortcuts and folders on the desktop really slow the PC down? [closed]
Normally whenever I repair a PC I tell the customer that they should limit the amount shortcuts or folders or files that they place on the desktop to speed up performance (it also really annoys me ...
10
votes
5answers
13k views
What regulates Intel SpeedStep CPU throttling? Can I get some control of this on Windows7?
I’m trying to get a big virtual disk file compressed (using WinRar) before I go home today, but my CPU frequency keeps merrily going up and down between the nominal 2.8 GHz and a measly 800 MHz!
The ...
1
vote
4answers
5k views
how to make the execution of a Matlab program faster?
Are there any techniques to make MATLAB code execute faster?
I am talking about things that can make my PC faster (like stop some .exe or software to improve PC performance). I noticed that ...
3
votes
2answers
2k views
Fix degraded SSD performance on Mac without full erase
I bought one of Intel's SSD a few months back. When I bought it I could easily reach the advertised speed but after a few months it has degraded very badly. Most any action that requires writing to ...
3
votes
1answer
826 views
Signal strength and Speed of wireless network
As shown by Lenovo Access Connections on my Windows 7, the wireless network I am using has a speed of 54.0Mbps but a signal strength of 88%.
I am using WinSCP with unlimited speed to download files. ...
0
votes
1answer
744 views
Fedora12 Slow USB 2.0 Write Speed, ehci_hcd module is missing
I am using Fedora 12, the problem I am facing is USB 2.0 write speed. I have a dual boot system with Windows XP and Fedora 12. USB 2.0 write speed in Windows XP is much faster then what I am getting ...
0
votes
1answer
1k views
Slow transfer with memory stick (819 kb/s)
What do I do to optimize the file transfer rate of a Memory Stick Duo?
The file transfer was not like this when it was still new. Can reformatting give new life to a memory stick?
It takes about 20 ...
1
vote
2answers
2k views
How to make Ultra VNC viewer faster? [duplicate]
Possible Duplicate:
How can I make VNC faster?
I am trying to share the screen of a system A to another system B. The normal screen sharing is good. But when i run a 3-D program in System A ...
1
vote
3answers
2k views
Slow Browsing/Direct Download, but Fast Bittorrent Download
I'm using Windows XP SP2. I have a 1 MB connection via a SpeedTouch 585, and my internet speed registers at 0.3 MB, with a maximum download of 30kbps. Not to mention a terrible ping at 500-1500. On ...
0
votes
2answers
528 views
NAS Performance issues
I bought a NAS from Conceptronic CH3MNAS and built in two Western Digital 1,5TB Green Drives.
I only get a write speed of 6mb/s in LAN
The configuration of the drives is as follows:
- Raid 0
- ...
7
votes
7answers
2k views
Are SSDs worthwhile for software development? [closed]
I have a MacBook with 8GB of RAM and a 500GB 7200rpm hard drive. I write software for a living. I am contemplating getting an SSD Drive, but I am unsure about the performance.
Do SSD drives really ...
0
votes
2answers
369 views
How can I speed up the display of Recorded TV in Windows Media Center?
When my Media Center was new the Recorded TV loaded in a flash, but now with about 750GB of recorded material it takes about 5-10 seconds to display. The slowdown has been gradual as more material ...
2
votes
3answers
196 views
improve vista running speed
I know that the best method of improving the performanmces of a system with Windows Vista is to format the c: partition and install all the needed software from scrach.
Do you know any good software ...
