Questions about optimizing your computer to take up less boot time, application launch time, download time, etc.

learn more… | top users | synonyms

1
vote
2answers
394 views

How can I tell if my FireWire port is 400 or 800? (Linux)

I know this sounds very similar to How do I tell if my firewire connection is running as 400 or 800?, but the difference is, I don't have a FireWire device yet. The whole reason I'm asking is that ...
4
votes
1answer
840 views

(Linux - Ubuntu 13.04) Incredible slow SSD with small files

Ever since I got my SSD (Crucial M4 - 256gb) I've had an issue that it would write as slow as running Windows 7 on a 486 whenever it's doing something with small files. I managed to "fix" this in ...
0
votes
0answers
519 views

How can a torrent be downloaded faster than the speed of my Internet connection?

I have a 256 kbit/s connection and normally see download speeds around 30 kilobytes/second. However, sometimes when I download torrents the download speed shows as 1.1 MBps. How is this possible?
0
votes
2answers
163 views

how do you determine the amount of RAM that will actually be used When referring to how a OS sees RAM [duplicate]

When choosing what RAM to install on a computer and what OS to run how do you determine the amount of RAM that will actually be used and not just recognized? for example here is my machine: How did ...
0
votes
1answer
59 views

Is there a way to tell what the download speed is from a site/server

i'm looking into which ISP i should go with at the place i'm moving into, one ISP which i have been told good things about has data limits (which when breached will drop your speed to dial-up speed) ...
0
votes
0answers
1k views

USB transfers very slow (kB/s range only)

However When plugging my USB 2.0 flash drive into the USB 3.0 port of one of my laptops running W8 Im only getting around 2.5 kB/s! sometimes if its a larger transfer it will trail of to nothing at ...
1
vote
0answers
73 views

Slow execution of linux service mtab.sh

I'm trying to speed up the boot time of my raspberry pi with raspbian. With the program bootchart (which makes a graph of the running time of the services at start up) I have seen that the mtab.sh ...
-2
votes
3answers
485 views

What is it that is making my computer slow? [closed]

My computer loads programs so slow! not mention my internet. Everything is slow, and I can't figure out what it is. By looking at the specs, I see no reason why this pc couldnt be running at an 'OK' ...
1
vote
1answer
493 views

Does the Excel IF statement make a calculation sheet faster than using IFERROR?

My scenario is that I have a "Dashboard" style sheet that looks up data from a large table based on the cell in column B which is always to its left. The cell in column B contains an INDEX, MATCH, IF, ...
1
vote
2answers
456 views

Why is a failing hard disk slow?

From my currently failing hard drive, I know that I'm erasing it with a write speed of around 300kB/s cause of at least of few bad sectors I'm curious about what exactly causes this slow write speed? ...
0
votes
1answer
781 views

Video with speed (from GPS log)

is there any way to log GPS information on Android and then put it into video which shows speed? Something like this Brno circuit onboard video I have an Android device where I want to log speed and ...
-1
votes
2answers
492 views

Larger capacity of HDD means it is slow? [duplicate]

1Tb HDD is slower than 500GB if the other parameters are equal? Actually what parameters define the speed of HDDs?
2
votes
4answers
556 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
1answer
135 views

Is there a way to prioritize network speeds on networked applications?

Just as there is "high priority, normal priority etc" or "niceness" for cpu time, is there a way to do something like this for a network card/internet? For example If I am downloading a file from my ...
0
votes
1answer
525 views

How to control fans rpm manually on Intel DP43BF motherboard

Wonder of how can I manipulate fans' rpm on Intel BP43BF motherboard manually? I've found in Bios only setting to disable automatic fan speed manipulation, but there isn't any way to set rpm speed. ...
2
votes
1answer
266 views

UTP Cat-6 low speeds

I've got a UTP Cat-6 ethernet installation with a Linux server in one end, my PC in the other and three gigabit switches in between. Recently I changed the cable from a normal Cat-5 to an UTP Cat-6, ...
0
votes
1answer
4k views

How do I lower Chrome's memory usage? [duplicate]

Chrome is fast and all, but seriously? I only have 3 regular tabs open and the settings tab. I'd trade a little speed for some RAM. How can I make Chrome use less memory? Update The about memory ...
0
votes
1answer
3k views

All fans spinning at maximum speed with Linux

I installed Fedora 18 on my desktop computer and I've got an issue. All the fans are all the time spinning at maximum speed. Like, you know, when my computer boots they are too, which is normal ...
8
votes
5answers
7k 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 ...
0
votes
2answers
895 views

How come writing varying file sizes results in varying speeds? [duplicate]

Here is some output from the dd command: $ dd if=/dev/zero of=test.file bs=10M count=1 1+0 records in 1+0 records out 10485760 bytes (10 MB) copied, 0.130214 s, 80.5 MB/s $ dd if=/dev/zero ...
-2
votes
2answers
942 views

Why DVD writers only have 24x write speed? [closed]

I remember CD writers get's twice the speed, now it seems DVD writers can only do up to 24x write speed if internal, and just 8x if it's a portable writer. It's been years since and it seems stuck on ...
0
votes
1answer
551 views

Why one torrent slow and others fast?

I've noticed that torrents with a lot of seeds are downloaded with the slow speed (10-50 Kb/s). Why does it happen? For example, I'm downloading 3 torrents with uTorrent 3.3: Seeds: 17 of 168 (512 ...
2
votes
2answers
316 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 ...
-1
votes
2answers
4k views

SATA3 6Gb/s HDD vs SSD [closed]

So I know a SATA3 handles a maximum speed of about 750MB. But when comparing this HDD and this SSD, what would be the difference in terms of read/write speed. Won't they both be using the SATA3 busing ...
-5
votes
1answer
74 views

Are these two RAM chips compatible together? [closed]

I have Kigston KVR1333D3N9/2G in the motherboard already. I wish to add G Skill [ Ripjaws ] F3-10666CL9S-4GBRL (4Gx1) Question is, will these two chips work together? Please guys, I need help. ...
8
votes
1answer
1k 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
123 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
68 views

Different Internet Speeds [closed]

My family has an internet plan that is very old. We don't have the newer plans that have really fast internet speeds. Usually my download speeds are at 90 kb/sec. The highest download speeds that I ...
1
vote
2answers
563 views

Router speed not matching my ISP speed

My ISP recently upgraded me to 150 mbps, I can only get close to this if I wire directly from the modem to my computer. If I wire through my router it maxes at 55, the router model is Linksys E1550, ...
0
votes
2answers
264 views

Best way to speed up my old Macbook Pro?

I'm looking for quite a technical answer here, despite the amateur sounding question. I've got a 2006 era 17" Macbook Pro (primarily running Windows) which is limited in a number of key ways. For ...
0
votes
1answer
403 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 ...
0
votes
1answer
205 views

speed python script on command line vs launched in IDLE shell

I noticed several times that a simple python script (with some straightforward algebraic computation in a loop) runs considerably faster (up to a factor 6) when launched on a shell command line as ...
5
votes
1answer
276 views

Number of Processors and Computer Speed relation?

Does changing the number of processors under Boot Advanced Options affect computer speed? I have Dell XPS 15z Windows 7 Home Premium (64 bit) OS with 4GB RAM, intel i5 processor @2.5 Ghz and 1GB ...
1
vote
0answers
285 views

How to reinstate “playback speed” control in WMP?

I've recently reinstalled Windows 7 and been watching movies via out-of-box Windows Media Player (with all out-of-box codecs). In particular, i liked WMP's ability to change playback speed. Recently, ...
1
vote
1answer
570 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 ...
2
votes
1answer
693 views

Is there a way to track internet connection speed?

Is there a utility program for tracking internet connection speeds? The program would test internet upload and download speeds periodically (e.g. once every hour) and record the results.
16
votes
2answers
740 views

Why are newer generations of processors faster at the same clock speed?

How come, for example, a 2.66 GHz dual-core i5 will be faster than a 2.66 GHz Core 2 Duo (also dual-core)? Is this because of newer instructions that can process information in less clock cycles? ...
1
vote
1answer
770 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
3answers
416 views

High CPU usage when rendering DVD movie in Pinnacle

I'm running Windows 7 Quad Core 4100. When rendering a DVD movie in Pinnacle 16 I get a pop up message of High CPU usage. According to Task Manager it's running in the high 90 percent and has stopped ...
-3
votes
1answer
60 views

Speed issues of internet [closed]

I ahve been experiencing extremely slow download speeds for several months now and nothing seems to be working to resolve it. Our router status page states that the downstream connection sped is ...
0
votes
1answer
208 views

Slower cpu (pstate) = slower ram performance?

I noticed that if I lower my CPU clock speed via P-states/SpeedStep, my RAM slows down. However, through CPU-Z, my HT link, which is what connects my CPU to the memory, is still running at the same ...
1
vote
1answer
989 views

USB 3 stick in USB 2 port

If I plug a USB 3 stick (with 20/60MBps write/read speed) into a USB 2 port is it possible to get this speed (because USB 2 should be able to get 480Mbps = 60MBps)? I would assume that this speed ...
0
votes
3answers
471 views

How to speed up windows7 when hard drive is corrupted?

I have installed windows7 home basic with 300 GB SATA hard drive. It is very slow in booting and also running slow. Is there any way to check if hard drive is corrupted? and if so how to recover it ...
6
votes
1answer
1k views

Why is HDD in a DVD-ROM slot slower on Lenovo 3000 laptop?

So I'm about to upgrade my laptop (Lenovo 3000 N100, 0768-49G), got my SATA HDD caddy for the DVD-ROM slot, but whenever I'm putting an HDD or SSD into it, the read speed falls to only 30 MByte/s, ...
-1
votes
1answer
2k views

How to resolve the speed and video streaming issue in google chrome

I have got latest chrome installed in windows platform. The youtube videos are not coming properly, There is voice distortion and the pages are loading bit slow. scrolling is not smooth and It will ...
0
votes
1answer
556 views

Cat file to terminal at particular speed of lines per second

I'm lazy and I could write a script to do this, but I'm even too lazy to think of how to do it. I often do things like : cris$ python runexperiment.py > output.txt cris$ cat output.txt ...
0
votes
1answer
96 views

Which direction should I transfer my files? USB 2.0 to 3.0 or vise-versa?

I have a USB 2.0 enclosure and a USB 3.0 enclosure. I want to transfer large files from one to the other very often. Should I put the source drive in the 3.0, or the 2.0? Theoretically, IF each ...
3
votes
4answers
1k views

High speed, but longer ping times?

Running an internet speed test on my mobile phone indicates that I get a much faster download speed than my ISP broadband connection (yes, that's how bad my "broadband" is). However the ping is far ...
2
votes
3answers
4k views

Upload speed needed to Skype in 720p

I want to buy an HD web camera to Skype with family and friends. My current laptop cam is terrible, but I want to make sure that before I buy a new cam my connection can handle it. So - what is the ...
1
vote
0answers
59 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 ...