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

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6answers
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Does Windows 7 run acceptably on a 1 GB RAM Atom netbook?

Does Windows 7 live well on a 1 GB RAM Atom netbook? It's hard for me to try before I buy at the moment, so any advice from those that are already running Windows 7 would be appreciated.
13
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3answers
8k views

Is it slower to copy two files at the same time than to copy one after the other? [duplicate]

My boss was saying it takes longer to copy two files at the same time than doing one and then the other because the hard drive has to keep switching the head between the two locations on disk. Is this ...
13
votes
6answers
92k views

Windows 7 running slowly with low CPU usage and memory

I have a relatively new (under 2 yrs old) Windows 7 machine. It has 9GB of RAM, and an i7 core CPU (930 @ 2.8GHz w/ 8 CPUs). After about 8 months since a clean install, I noticed my computer was ...
13
votes
3answers
142k views

Minimize file size of Microsoft Word documents

What are the best ways to ensure a small filesize for Microsoft Word documents when starting from scratch reduce the size of existing Microsoft Word documents using only tools available in the ...
13
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7answers
23k views

Is there an optimal setting for the number of CPU cores exposed to a VM?

VirtualBox, and possibly other VM software, allows the user to specify the number of CPUs exposed to the VM. In my particular case, I have a dual core CPU, with Windows 7 64-bit running natively, and ...
13
votes
4answers
7k views

Improving/Resolving keyboard input lag with Visual Studio 2013

I'm having a slight delay (50-200 ms estimated) with keyboard input (code editing) from within Visual Studio 2013. The problem does not occur with Visual Studio 2010. When typing, there is a slight ...
13
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1answer
1k views

Why are start-up times faster on Windows 7 than on XP? [closed]

Reading a hotter question Why are start-up times faster on Windows 8? There is a great answer there by ClickUpvote, which shows some design differences that makes 8 faster: Difference between win7 ...
12
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5answers
2k views

Increase page file or buy RAM?

I've a 10+ year old XP PC which surprisingly still works however one of the 256MB RAM finally died. Now I am left with just 256MB. As expected the PC became slower however when I tried to increase the ...
12
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4answers
663 views

If a task takes 10 hours on a 1GHz processor, does it take 5 hours on a 2Ghz processor?

If a task takes 10 hours on a 1GHz processor, does it take 5 hours on a 2Ghz processor? Or am I oversimplifying the issue?
12
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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?
12
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6answers
3k views

Does opening a lot of tabs in Google chrome cause a performance issue?

I have heard that each tab in a Google chrome is a separate process. So if any tab crashed it won't be affected to the whole browser. So if you open so many tabs there will be as many processes in the ...
12
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15answers
46k views

Why does Adobe Acrobat scroll so slowly, and what can I do about it?

I often am forced to view long PDF documents either in browser or out of browser. When I'm forced to use such documents, it's always frustrating, because whenever I scroll the document, the viewer "...
12
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1answer
5k views

Why are there many processes listed under the same title in htop?

Can anyone explain to me why there are sometimes 10 or 15 processes with the same title and "stats" listed in htop? I'm guessing there are multiple threads running - but that many of them obviously ...
12
votes
2answers
734 views

The Windows Registry - Why (and Where) Does It Exist?

Was talking to a friend about the registry, and realized I couldn't remember the issues Microsoft was trying to solve that brought it into being. I know it had something to do with too many different ...
12
votes
5answers
14k views

Does low disk space affect SSD performance?

I was wondering if having less than 5-10GB of free space on an SSD would affect performance. Is it specific to SSD or is it more of an operating system aspect? For example, on an Intel X-25 G2 that ...
12
votes
6answers
26k views

Setting process priority everytime it is launched?

My work computer experiences a lot of slowdown, so I want to do what I can to make sure the stuff I need to be response actually is responsive. For example, I run Pidgin, which loads everytime I boot....
12
votes
6answers
43k views

Windows 7 kills VMWare performance by disk caching?

We're running Windows 7 Enterprise 64-bit SP1 on Dell Precision T3500's (Xeon E5630 @ 2.53GHz, 4GB of RAM). On top of this is VMWare Workstation 7.1.4, up to date. Running in a VM is Windows XP ...
12
votes
2answers
4k views

How to log processes throughout workday?

Basically, I want to track which processes are running and their cpu % throughout the day to pinpoint random freezing and slowness. I would like to go in to a text file and see a log of the previous ...
12
votes
3answers
20k views

How can I find out what is using the hard disk? [duplicate]

Possible Duplicates: hard drive activity by program? What is causing hard drive grinding? Once or twice a day my computer starts writing significantly hard to the hard drive, the HD led is ...
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 ...
12
votes
5answers
14k views

Extremely slow internet speed after reinstall

I have recently had a hard drive failure so I was forced to reinstall my OS (Windows 7). After a fresh install, I noticed the internet speed became extremely slow (~15 minutes for downloading a 20MB ...
11
votes
8answers
59k views

How to bond two different internet connections

I have two internet connection, each with 4mbps bandwidth. I want to join/merge both of them to get 8mbps speed, both routers have WLAN and LAN capability. How to Double my speed using two routers? ...
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12answers
1k views

RAM, Processor, L2Cache, Etc. - What gives you the most “Bang for your buck”?

I am not a hardware person when it comes to computers so when I buy a new one I just pick the one with the biggest numbers, but I know I am most likely wasting money. If you're going to purchase a ...
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3answers
1k views

Are faster processors hotter?

Let's take the Intel Core 2 Duo P7350 and P8600 for an example. Both have a 3MB cache and a 1066MHz FSB, but the P7350 runs at 2.0GHz, while the 8600 runs at 2.4GHz. Is there a tradeoff between heat ...
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6answers
6k views

Vim configuration slow in Terminal & iTerm2 but not in MacVim

Ideally, I want to use Vim from Terminal or iTerm2. However, it becomes unbearably slow so I had to resort to using MacVim. There is nothing wrong with MacVim, however my workflow would be much ...
11
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4answers
32k views

Best SSD tweaks for Windows 7 [closed]

I have seen many articles about tweaking an SSD, but many of them seem outdated, or too broad (read all Windows XP, Vista, and Windows 7 general tweaks). And I know that Windows 7 has been ...
11
votes
6answers
16k views

Samba vs. NFS: Performance

I've got a choice of setting up Samba or NFS on my Linux based NAS ( nslu2 running OpenDebian ). Does anyone have performance related stories comparing the two options ? Are there tuneup tricks ...
11
votes
5answers
39k views

Can dual monitors make my PC slower?

I've noticed my PC (win-xp) seems to be running slower. (e.g., I'm getting jitter when watching video) Recently, I upgraded a monitor (larger) and expanded the size of the desktop to take advantage ...
11
votes
5answers
37k views

How to speed up Windows 8 on Samsung laptop?

I just bought a Samsung Series 5 notebook, with Windows 8, but I found it unreasonably slow to reboot and install updates. Last night I waited for 1h30 for it to install 1 update and reboot, when I ...
11
votes
2answers
6k views

Best Linux for a single application & fast boot? (also How-to?) [closed]

I'm looking for a way to run Celtx,a screenwriting software on a Linux Distro and nothing else, no bluetooth, internet/WiFi, media, games, nothing, not even a desktop. Just boot up the OS and Bam! ...
11
votes
2answers
13k views

In the Resource Monitor of Windows 7, what does the “disk queue length” really mean?

In the Resource Monitor of Windows 7, what does the "disk queue length" really mean? (View larger size) In addition, what does the green area and blue lines stand for, as well as the response time ...
11
votes
1answer
1k views

Why can Vim open large files faster than some other text editors?

When opening large log files (well, not that large, but 80mb is still a lot of text!), I've always used Vim since it loads them almost instantly. Other text editors like Notepad, Notepad++, etc will ...
11
votes
2answers
12k views

How come my Intel 520 180GB SSD performs extremely poorly?

I recently installed a new Intel 520 series 180GB SSD in my brand new MacBook Pro. The system is as follows: Model: MacBook Pro 15-inch, Late 2011 (MacBookPro8,2) Processor: 2.4 GHz Intel Core i7 ...
11
votes
8answers
6k views

Disk operations freeze Debian

I have just installed Debian testing on my new desktop and I am not very happy with performance - when I perform a disk intensive operation, e.g. upgrade packages in the system, everything seems to ...
11
votes
4answers
35k views

AFP, SMB, NFS which is the best data transfer protocol?

I have a computer with large hard disks running Gentoo. I have to serve med/big files via a wired network to Apple devices (all of them running OS X). Which protocol is the best for the following ...
11
votes
3answers
12k views

How do I find out which processes are causing the most disk activity?

I am hoping to find a way to do more performance monitoring--specifically, I hope that monitoring disk activity on a per-process basis will help me decide which programs are causing the most trouble (...
11
votes
4answers
26k views

Does overheating cause a computer to slow down?

I've heard that heat issues can cause problems with PCs, but is this realistic? Is leaving the desktop in a cabinet area, or above-average-room-temp, a realistic potential cause of slowdowns? (I'm ...
11
votes
4answers
5k views

Visual Studio Performance problems when writing XAML

I've dealt with Visual Studio performing terrible for too long now. Now I'm past the point of being emotionally broken and need help. I can't figure out how to fix the issue of the Visual Studio ...
11
votes
1answer
4k views

Write Activity to .vmem file even though the VM is suspended

I have a VMWare VM I have to use for certain tasks at work. For some reason while the VM is running or suspended something is doing massive (in terms of operations, not Bytes/s) I/O on its .vmem file, ...
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 ...
11
votes
2answers
2k views

Want Visual Studio 2010 stop using the drive when there's lots of RAM in Windows 7 64 bit

I will be upgrading my system to use 16GB of DDR3 RAM in a Windows 7 64 bit and Visual Studio 2010 Ultimate. CPU will be 6 cores 3.2Ghz. I do lots of compiles/day and my goal for VS is to show a web ...
11
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6answers
3k views

Best way to optimise disk performance in OS X

As the question suggests, does anybody have any tips in increasing disk performance in OS X Leopard?
11
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3answers
1k views

Is it possible to process millions of datagrams per second with Windows?

I am investigating if I can implement an HPC app on Windows that receives small UDP multicast datagrams (mostly 100-400 Bytes) at a high rate, using a dozen or up to maybe 200 multicast groups (i.e. ...
11
votes
4answers
3k views

Can I “hibernate” a program?

Yes, I know that hibernate usually applies to a computer. (Hibernate her meaning saving program memory in disk and being able to restore it in a consistent manner.) However, hibernating a program ...
10
votes
8answers
311 views

System performance myths [closed]

What are examples of advice on system performance, maintenance or upgrade that don't actually provide benefit or can actually result in detrimental changes? As examples: Zapping the PRAM on a Mac ...
10
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4answers
4k views

Flatmate uses torrents, will this slow the internet connection?

I share the internet with two other people and I know one of them uses utorrents and is constantly downloading. When her computer is off the internet is substantially faster, would this be because of ...
10
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4answers
667 views

What is overclocking the system?

I have heard this term many time and would like to know what does it exactly means?
10
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5answers
8k views

RAMDISK OS? Installing Windows 10 on a ramdisk

Is it possible to put the entire operating system on a ram disk? If I have 16 GB of RAM and it is an Intel Xeon. I don't have an SSD and my hard drive is killing my boot time. So can I just allocate ...
10
votes
2answers
7k views

Will using a 10/100 router stunt gigabit switch speeds for an internal network?

I have a 10/100 Verizon router. 3 computers are connected to this via Ethernet. I'd like to put a gigabit switch between the computers and router to enable gigabit speeds on the intranet. If the ...
10
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7answers
2k views

USB vs. FireWire for external hard drives

For external hard drives in this question, I'm referring to traditional HDDs; the kind with spinning metal inside of them (no RAM or flash-based super-high-performance hardware): Is there a ...