Questions about optimizing your computer to take up less boot time, application launch time, download time, etc.
1
vote
1answer
50 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, ...
0
votes
0answers
17 views
Mac Text-To-Speech getting bullied by other processes
I try to have my computer read to me as much as possible, but if I am doing too much on my computer (ie. too many tabs open on chrome, or running eclipse or some other development application) the ...
1
vote
2answers
72 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
25 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 ...
3
votes
1answer
359 views
Does adblock really slow down your surfing speed? [closed]
I installed adblock recently and i felt like it slowed down my internet speed. So I uninstalled it immediately and it was all better. It was quite a months back and now my tuneup utility software is ...
-1
votes
2answers
55 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
64 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 ...
0
votes
1answer
46 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
58 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
55 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
672 views
How do I lower Chrome's memory usage?
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
104 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 ...
1
vote
0answers
137 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
92 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 ...
-4
votes
2answers
71 views
Two routers, Same Internet Speed? [closed]
Trying to do some network load balancing at home.
Current situation
One guy is using NetFlix and its killing the internet speed for everybody connected on the wireless router and its actually ...
-2
votes
2answers
76 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
124 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
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 ...
0
votes
2answers
310 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 ...
0
votes
0answers
23 views
USB backup sometimes slow under apparently same circumstances
While this is a backup of a Windows Server 2008 R2, for the purposes of this question it is Windows 7 functionality, which is why I decided to ask it on Superuser instead of Serverfault.
We backup ...
-5
votes
1answer
25 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
276 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
45 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
104 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
1answer
160 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
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 ...
0
votes
0answers
34 views
How to determinate how much bandwidth is being used in a PCI express slot?
I want to know if it's possible to measure how much bandwidth is a device, connected to a PCI-E port, is using. Not necessarily in real time, it can be logged.
I would like to know if something using ...
0
votes
1answer
39 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 ...
1
vote
3answers
627 views
Internet speeds on wifi based on distance from router
So, I've been sort of confusing myself with this question: Does your internet speed vary based on the distance from your router?
Immediately, I thought yes! Of course it should! But then I thought, ...
4
votes
1answer
119 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
96 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, ...
0
votes
2answers
70 views
What do I need to upgrade to improve FPS in games? [closed]
I have a fairly standard setup:
Intel Core i5 @ 3.2Ghz
8GB RAM DDR3 1333Mhz
nVidia GT240 with 1GB VRAM
7200RPM Sata HDD
Foxconn H55 Motherboard
I constantly play World of Warcraft with FPS @ ...
1
vote
1answer
256 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
83 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.
0
votes
0answers
98 views
Why does my xbox connection speed test lower than my laptop on the same ethernet cable? [closed]
I'm trying to figure out my connection speed at my xbox 360. Doing network test through xbox browser (testmy.net) and it's reading 3mbps down & 3mbps up. My connection should be around 30dwn and ...
13
votes
2answers
436 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
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
3answers
162 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
52 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
127 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 ...
0
votes
0answers
49 views
Can't modify Speedstep
Background: I recently upgraded my Inspiron 8200 laptop to a P4-M 2.4Ghz processor, and noticed that the higher clock frequency would cause the fans to stay on longer than usual. Even with Speedstep ...
1
vote
1answer
162 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 ...
-1
votes
1answer
75 views
is RDC-via-RDC faster than RDC-via-VPN? [closed]
I always assumed that a remote desktop connection is "just an application" (plus it runs a slow OS at its endpoint) so it would be slower than a VPN, which is "part of the backbone/underpinning" etc. ...
0
votes
3answers
146 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 ...
5
votes
1answer
346 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
271 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
111 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
56 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
3answers
258 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 ...
