For questions concerning computer, or computer-related, performance. Please include metrics in your questions.

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17
votes
5answers
26k views

Windows is very slow with my new SSD

I have a laptop HP probook 4520s with Core i5 M480 @ 2.67Ghz, 4Gb RAM, 640 GB HDD Radeon HD 6370m 1GB video card. It would seem like a good stack for work, right? But My HDD has ...
4
votes
3answers
1k views

How do I measure computer performance before and after optimizations?

I want to either programmatically or manually measure how much PC performance increase I get after using a Windows optimization program. There are several programs on the market that do this and I ...
27
votes
10answers
33k views

Computer slow after installing 32GB RAM

I'm currently running very large network simulations for my PhD research, for which I need lots of RAM. I have a Core i7 2600K processor with a Gigabyte GA-Z68AP-D3 motherboard, running Windows 7 ...
14
votes
3answers
5k views

Why does HDD activity slow the whole System down (on Windows 7)?

If I copy a large amount of data from on drive to another (physical) drive my whole system is running slow. I am using Windows 7 64bit version on an Intel Core 2 Duo 3 GHz. This is the situation: ...
12
votes
7answers
5k views

Which PC components make the biggest impact on your compile times for Visual Studio?

Which PC specifications have the biggest impact on your compile times? Disk? Clock speed? Number of CPU cores?
7
votes
5answers
4k views

MacBook Pro for Windows development via virtualization. Performance?

I am a Windows/Web developer by profession and I have been considering a MacBook Pro as a replacement for my current development machine. I am impressed by the build quality, the uni-body construction ...
5
votes
2answers
14k views

ExpressCache vs. Intel's Rapid Storage and Smart Response Technologies

What is the difference between Samsung's ExpressCache Technology and Intel's Rapid Storage Technology? From the very little I understand about computer hardware, it seems that they both use a small ...
12
votes
4answers
1k views

Is it worth buying SSDs for a RAID?

Im seeing people using SSDs for RAID-0 and getting excellent improvements in read/write rates. But now there is a good opportunity to acquire another SSD Force Corsair F60 identical to mine. I'm ...
11
votes
4answers
3k views

To what extent is size a factor in SSD performance?

To what extent is the size of an SSD a factor in its performance? In my mind, correct me if I'm wrong, a bigger SSD should be, everything else being equal, faster than a smaller one. A bigger SSD ...
7
votes
2answers
3k views

How can I find out what's the bottleneck slowing down a particular process / the entire system?

Given a specific running process, is there a way to find out what hardware element is currently the bottleneck for its operation? In other words, is its current computation CPU-bound, GPU-bound, ...
4
votes
8answers
472 views

What things should I run daily, weekly, monthly on my Windows machine?

What things should I run daily, weekly, monthly on my Windows XP machine? De fragmentation Scan-disk Full system scan Disk clean up Trojan checker malware remover or any other thing... And should ...
3
votes
2answers
8k views

Brand new Seagate HDD has high raw read error rate

I've just purchased a brand new Seagate ST31000524AS 1TB HDD. Manufacture date shows as January 2012 (yes that's as new as new can get), so must be one of the new batches from the post-flood Thailand. ...
3
votes
5answers
10k views

How do multiple hard drives speed up PC performance?

In an answer to my question on hardware specs for a new computer the author wrote: A single HDD is not going to give you fast IO performance. and suggested that I get a second hard drive, ...
3
votes
4answers
241 views

Default Windows Vista Install: What general changes to improve speed?

I remember there were guides for Windows XP on all of the unnecessary services and things that you could turn off in a default install to make the system a bit more 'snappy'. There were also specific ...
2
votes
2answers
17k views

Windows 8.1 file explorer is Super slow

I have a newish ( a couple of months old) laptop. i7 4700mq gtx765 8gb ram I'm using an ssd boot dirve and a HDD for storage. The computer has absolutely no problems running programs but it is very ...
2
votes
3answers
12k views

Making Windows XP run on 256MB of RAM

I have a Windows XP system which has only 256 MB of ram, and unfortunately upgrading the RAM is not an option (it needs DDR, a DDR2 chip didn't fit and I'm not in town long enough to order one ...
15
votes
3answers
64k views

Should I install my operating system on my SSD or HDD?

I'm currently deciding whether to install my Operating System on my SSD (solid state drive) or HD (hard drive). Will I be having programs on the HDD and the OS on the SSD or vice verca? Which will ...
9
votes
4answers
7k views

In Windows 7, is there a way to know how much memory a service is using?

In windows 7, is there a way (by using common interface or a custom utility) to know how much memory a specific windows service is using ? It seems most services are hosted by svchost.exe processes ...
7
votes
2answers
18k views

How to find out what's accessing a particular hard drive on Windows? [duplicate]

Possible Duplicate: How can I view what percentage of my hard drive bandwidth is currently being used? My HDD on a dock just started making noises like it's being accessed but I don't see ...
6
votes
1answer
4k views

Troubleshooting slow SSD

I have a Mushkin Enhanced Chronos 120GB SSD (http://www.mushkin.com/Digital-Storage/SSDs/MKNSSDCR120GB.aspx). Its performance is rated as: Capacity: 120GB Read Speed: up to 550MB/sec ...
6
votes
3answers
450 views

How to investigate why my firefox is so slow?

My Firefox v3.5.2 has loads of extensions (48 total, 33 enabled), also considerable database of visited pages and in general rather old profile. Flash is disabled by NoScript, so this is not an issue. ...
5
votes
5answers
5k views

How to diagnose a slow booting laptop [duplicate]

I'm running Windows 7 Pro 64bit on a Dell Precision M4400 laptop and whenever I boot it it takes ages ( >5mins average). This doesn't seem right as it's a fairly beasty piece of kit, It get's a 5.9 ...
3
votes
0answers
719 views

HDD very slow performance after full copy from SSD

The PC: Core i7-4770, 16GB RAM. There are 120GB SSD and 1TB HDD (new without any bads). On the SSD I had Windows 8.1 installed with all other stuff. Someday all programs exceeded 120GB limit and I ...
3
votes
8answers
13k views

Very long boot up process?

Very strange boot up process that took literally 5~6 minutes. Other than the boot up, the PC works perfectly fine. Things I have tried: CHKDSK (No errors) Reset BIOS (HDD 1st) Defrag Link to ...
2
votes
2answers
84 views

Loss of space on a 16 Gb flash after format

So, I have a friend who has a flash drive that was playing music on a dvd player. Everything was great then all of a sudden it just stopped. First, I tried to do some data recovery on it but the ...
2
votes
0answers
998 views

When tab groups are loaded, Firefox becomes unresponsible for minutes (Unresponsive script)

I have several tab groups (~ 20) in Firefox. I can start the browser without any problems. However, as soon as I … click at the "Group tabs" icon in the toolbar, or right-click on a tab and hover ...
2
votes
6answers
739 views

Computer slow or is it just me?

My main computer these days is a Laptop with an SSD. Besides that, I have a desktop gaming rig. It is from last year, but it still runs recent titles really well. Crysis 2, Witcher 2, Diablo 3, not a ...
2
votes
4answers
288 views

What could cause a computer to slow down over time?

I have an application/game that ran smoothly a few months ago but lately I've realized it runs more sluggish than usual (the frames per second get quite low). I thought maybe something I installed is ...
2
votes
8answers
274 views

Computer Speedup

We've all seen that ads strewn across the web that tout the ability to increase the speed of our computer by 200%+. Obviously, these don't work. But what is the real way to speed up and optimize your ...
1
vote
1answer
201 views

Mixing rams with different frequencies and sizes

I have a computer with 2× 1 GB DDR3 1067 MHz RAM modules. Now I bought 2× 2 GB DDR3 1600 MHz modules. My questions: Should I remove the 1 GB modules and use the new ones only (2× 2 GB = 4 GB ...
1
vote
2answers
4k views

rsync slow copy from one disk to another

I got two drives of the same model which are connected using SATA. When benchmarking read speeds using hdparm -t /dev/sdX, speeds of about 160MB/s are returned. When benchmarking write-speed using dd ...
1
vote
1answer
2k views

Frequent WiFi disconnects on laptop when not charged

I have a weird wireless connection problem. The whole thing started today, when I installed my new router a D-Link DIR635 model after my previous router became very unreliable and faulty. I use this ...
0
votes
3answers
1k views

How to tune Windows Vista startup speed?

My one year old Vista installation at work takes some 10 minutes to start up. However, my freshly installed Vista at home takes only 1 minute to get fully running. What could cause this slowdown, and ...
5
votes
6answers
18k views

Windows 8 disk usage is 100%

Windows 8.1 Preview has disk usage of 100%, and the fan is very noisy. It started one week ago, before that it wasn't so noisy and the laptop worked very well. I don't know the cause. I hope you can ...
5
votes
1answer
3k views

How much of a performance hit using asymmetrical dual channel RAM?

As a follow-up to my question Can a P55 chipset support 6GB as 2GBx3?; I understand there might be a performance hit using an odd-number of sticks. My question therefore is - How much of a ...
5
votes
4answers
7k views

How to *quickly* get a list of files that have bad sectors/blocks/clusters/whatever?

My wife's Windows 7 (64-bit) box has suddenly developed a SMART "disk is bad" status. I'm attempting to copy everything off (no admonishments about lacking a backup regimen, please, I know already ...
4
votes
2answers
1k views

How to quickly view huge PNG images in OS X?

I need to view and zoom into selected parts of PNG images around 10,000x10,000px, ~10MB. When I open these images with Preview, it takes over a minute to load and then is very slow to show the image ...
4
votes
5answers
988 views

Redeeming an old laptop

I have a 2001-vintage laptop that is getting so slow my kids won't even use it much anymore. Is there anything I can do that's free or inexpensive to make it more usable for light-duty use (web ...
3
votes
9answers
11k views

What's faster for office work - SSD + slow CPU or HDD + fast CPU [closed]

I am going to buy "new" (it can be used) notebook for my work - mostly heavy surfing (I need more browsers with many tabs opened), programming and other office work. I have no experience with this: ...
3
votes
2answers
5k views

Does ReadyBoost slow down systems with more RAM?

I have 4 GB of RAM and would like to make use of ReadyBoost to speed up hard drive access, by taking advantage of its hard drive cache method. However, as I understand the technology, ReadyBoost ...
3
votes
1answer
1k views

How do Intel HD Graphics from 2010 processors compare to current low level graphics cards? [closed]

This question is similar to this, but here I'm asking about Intel HD Graphics integrated into 2010 processors in general and graphics integrated into Atom N550 in particular. A site with reviews ...
3
votes
4answers
3k views

Windows: Will compressing the hard drive partition speed up disk access? [duplicate]

Possible Duplicate: How does NTFS compression affect performance? In theory, on a reasonably fast PC, the processor is mostly idle during hard drive access. A compressed file takes up less ...
3
votes
3answers
2k views

cpu usage nearly 100 constantly windows xp sp3

When running some heavy applications like games or virtual box for some time.. the cpu usage is normal for some 15 mins and then suddently cpu usage increases. even after i quit the heavy apps and ...
3
votes
3answers
12k views

How to open ports on router for better torrent performance

I've been using utorrent to download and upload torrents for a long time. Recently someone told me that I need to open port(s) for utorrent from my router settings for better downloading and uploading ...
3
votes
6answers
2k views

hibernate takes 4 minutes 38 seconds

I have a 4GB RAM 500GB 7200 rpm HDD laptop and when I hibernate the laptop it takes in the region of 3 or 4 minutes(*) to hibernate. not the 24 seconds it used to take. It takes this long whether or ...
2
votes
3answers
4k views

Intel turbo boost - in reality

I have an Intel i7-3630QM processor in my laptop. Its speed is supposed to be from 2.4 to 3.4 GHz in turbo boost mode. In reality, will it ever run all cores on full speed (3.4GHz mentioned above) ...
2
votes
2answers
3k views

SSD and Netbook - freezing during I/O

I have a netbook (Dell Inspiron mini 10) that I recently upgraded to an SSD (Plextor PX-256M3). The netbook has 1 GB of RAM (non-upgradable), and just the simple "Standard Dual Channel PCI IDE ...
2
votes
4answers
3k 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
4answers
131 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, ...
1
vote
2answers
208 views

Performance issue with my system

Recently while using my laptop (Dell XPZ15z) all of a sudden the CPU usage is spiking to 80-100% then will drop in say 5-7 sec. I am not running any application or process that requires such CPU ...