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

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6
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2answers
274 views

Are usb pendrives/sticks random access?

Do USB pendrives/sticks have random access (i.e. accessing one block will take equal amount of time, regardless of the previous block read) characteristic?
6
votes
8answers
10k views

Windows 7 Loading Very Slow

I've had a problem that only started to occur yesterday. When I boot into Windows 7 and log on to my user account, the computer gets very laggy and slow for at least 5 minutes. Icons take ages to ...
6
votes
5answers
2k views

Why is Firefox 3.0 so slow in Linux?

I'm running Firefox 3.0.14 32-bit on Ubuntu 9.10 32-bit. It's much slower than in Windows XP on the same machine. Does anyone know why? Also, what's a possible way to improve the performance? ...
6
votes
5answers
2k views

Firefox still working in memory after being closed

I'm about ready to give up on Firefox, because whenever I shut it down, it's still working in the background, and if I leave it up it, then over time it works more and more. My hard drive is really ...
6
votes
1answer
2k 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, ...
6
votes
1answer
404 views

Does Having Computer Running Idle Impact Solid-State Drive's Life Expectancy?

As long as computer is operating, OS constantly performs small writes to storage medium. This is what I have not paid attention to earlier until I saw total writes in CrystalDiskInfo, Intel Toolbox ...
6
votes
3answers
363 views

Does Windows 7 on a Solid State Drive suffer noticable “Windows Rot”? [closed]

"Windows Rot", defined as the build up of old programs distributing shared files everywhere, having several unnecessary programs running at start up and cluttering the registry can significantly slow ...
6
votes
6answers
23k 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 ...
6
votes
1answer
568 views

Is a larger hard drive with the same cache, rpm, and bus type faster?

I recently heard that, all else being equal, larger hard are faster than smaller. It has to do with more bits passing under the read head as the drive spins - since a large drive packs the bits more ...
6
votes
1answer
261 views

What do different patterns mean in Windows 8 file copy dialog

When copying or extracting files, Windows 8 shows the chart with the speed of the operation. I noticed several patterns: Randomness, High speed at the beginning, then low speed during the most part ...
6
votes
3answers
3k views

Google Chrome briefly hangs before rendering a new tab

Whenever I want to switch to a tab other than the one that is being rendered, Chrome hangs for about 2 seconds before rendering the new tab. This occurs whenever a new tab has to be showed, such as ...
6
votes
1answer
282 views

Performance testing software for PC

Can you recommend me a free performance testing software for my PC? I used the demo version of Passmark Performance Test, but the trial period is now finished. Do you know of a similar software?
6
votes
1answer
6k views

How should I use my new SSD drive?

I just built a new PC the other day. Specs... Processor: Intel i7-930 quad core CPU CPU Cooler: COOLER MASTER Hyper 212 Motherboard: AsRock X58 Extreme 3 RAM/Memory: 6gb G-Skill triple channel ...
6
votes
2answers
933 views

Benchmarks relevant for a Visual Studio .NET development workstation

I am developing a system with Windows 7 64-bit, Visual Studio and Sharepoint on a virtual workstation on some kind of VMWare server. The system is painfully slow, with Visual Studio lagging behind ...
6
votes
1answer
1k views

How to benchmark kernel (-Os vs -O2)

It seems logical to me that on a 64-bit kernel compiling it to optimize for size might help overall. (My distro of choice uses -O2) It has the benefits of more registers and memory and perhaps less ...
6
votes
5answers
1k views

Utility to optimally distribute files onto multiple DVDs?

I have a bunch of media files which I want to record to DVD, but since each DVD only fits 4.5GB, I have to find the optimal way to organize the files to use the minimum number of DVDs (otherwise the ...
6
votes
1answer
17k views

Spikes of 99% disk activity in Windows 8 Task Manager [duplicate]

For some reason Windows 8's Task Manager reports spikes of 99% disk activity for hours at a time. Looking at the entries in that column, however, data doesn't seem to be getting written any more ...
6
votes
1answer
5k views

The meaning of thermal throttle counters and package power limit notifications in Linux

Whenever I do some performance testing on my Linux-installed MacBook Pro, I often see the following messages in dmesg: Aug 8 09:29:31 infinity kernel: [79791.789404] CPU1: Package power limit ...
6
votes
1answer
3k views

How do I analyze excessive Windows kernel mode CPU usage?

My Windows XP machine recently started to semi freeze on me every odd reboot after a few minutes of usage (different programs / no additional prg start at all). Update: I have now managed to get a ...
6
votes
3answers
419 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. ...
6
votes
1answer
162 views

Fairly new drive has high usage but slow speed. Whole system running hot

I originally suspected malware, because my pointer skips and my system gets slower and slower by day. I recently had a reg entry get messed up for no reason. But after talking with some people in chat ...
6
votes
1answer
318 views

View page source in Chrome is extremely slow

When making a page request to see the output of a large object, via a PHP's var_dump or print_r, a regular Chrome page will display the output quickly. To see a formatted output, I usually view the ...
6
votes
1answer
510 views

Strange performance from RAID5 using WD RE4 disks

I've noticed a bit of a performance issue with some WD RE4 drives I'm using under AMD's hardware RAID solution. First a bit of background: Environment: Windows 7 home premium x64 HDD's: 3x 1TB WD ...
6
votes
2answers
5k views

When should I activate the “launch folder windows in a separate process” option?

In folder options -> view, there's an option that's off by default called "Launch folder windows in a separate process". I'm on windows-7, but I know this capability has existed since at least windows ...
6
votes
2answers
2k 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, ...
6
votes
1answer
1k views

Performance gains from secure-erasing an SSD?

Are there performance gains to be had by secure-erasing an SSD? (the secure-erase function, not securely zero'ing out data) I'm using an Intel 320 SSD 160GB as my main OS drive. It's been a couple ...
6
votes
1answer
3k views

RamMap “Empty standby list” drastically speeds up PC. Is there a better way to do this?

Many people are educated on how Windows Memory manager caching work by reading Microsoft white papers, etc. However, there are relatively few documents that describe real-world performance issues ...
5
votes
12answers
3k views

Lightweight virus scan for win XP [closed]

I have an older machine (athlon 1500+, 1.5Gb RAM) running XP on which I not currently running an on access virus scanner. I do scheduled scans with clamwin and malware bytes. I would like to find a ...
5
votes
4answers
5k views

How can you figure out where the bottleneck on your PC is (CPU, HD, RAM) so you know what to get “more of” on the next PC?

I'm getting a new PC soon and I've been looking at CPU and RAM options then realized that maybe my HD is my bottleneck. Is there an easy way to figure out which component is the biggest bottleneck? ...
5
votes
4answers
2k views

What should I do to trim down an ubuntu install?

I've got a very old laptop (Sempron 2800+ w/ 768MB RAM and SLOW disk). I'm using Ubuntu 9.04, which seems to work okay (although a bit slow) when I have 1-2 things open. However, it quickly gets so ...
5
votes
5answers
70k views

How to improve Primary hard disk rate on Windows 7 Experience Index?

I’m getting confused with Windows 7 experience index; because on one of my home computers with 2 hard disks 7200 rpm configured with RAID 0 I got 5.9 as score on “ Disk data transfer rate “, while ...
5
votes
4answers
4k views

Onboard video vs. PCI-E video card

Would a separate PCI-E video card provide benefits to a user who currently uses onboard video? The onboard video card is on an Intel DG35EC. The onboard video is Intel Graphics Media Accelerator ...
5
votes
3answers
983 views

How to treat a new SSD--optimizations and longevity

I was hoping to compile a list of tips/tricks for optimizing and extending the life of SSDs. I just purchased my first SSD and put it in my laptop, and will soon be installing a pair into my desktop ...
5
votes
8answers
17k 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? ...
5
votes
4answers
2k views

Does installing many programs really slow down Windows?

I have always heard that it's a bad idea to install lots of software on a Windows machine, and new software should always be tested in a virtual machine so as to not permanently affect the operating ...
5
votes
8answers
3k views

Is really good have a big (500GB/1T) Hard Disk as main one?

i'm building my new PC so i'm starting the usual search for a good hardware/price around the net! but this time i'm not sure i want buy a big Hard Disk! i was thinking to have a "very small" HD like ...
5
votes
2answers
12k views

Integrated Graphics vs Dedicated Video Card on laptops

What are the main differences between machines using integrated graphics and dedicated video cards on laptops? When should I considering the one or the other? I'm not sure if it's worth stating this ...
5
votes
2answers
6k 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 ...
5
votes
3answers
941 views

Dual-Virtualization vs. Dual-Boot vs. Single-Virtualization

A friend of mine recently suggested something that intrigued me: in the case of needing multiple Operating Systems simultaneously, instead of dual-booting or using multiple computers, one could use a ...
5
votes
3answers
451 views

Measure Windows bootup performance [duplicate]

Possible Duplicate: Slow startup on Windows 7 Home Premium laptop I'm running Windows 7 Home Premium on a 2 GB RAM netbook. The Windows startup performance, and when coming out of ...
5
votes
2answers
83 views

Would an array of SSD drives be able to succesfully substitute the system memory?

I watched a few videos trying to answer this. This video (youtube.com/watch?v=eULFf6F5Ri8) shows a bunch of guys stacking 24 SSD's reaching a peak of around 2GBps r/w. That's under the limit of the ...
5
votes
5answers
45k 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 ...
5
votes
5answers
3k 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 ...
5
votes
8answers
3k views

Recommendations for USB flash drive fast at writing small files [closed]

I want a drive that I can be used as my work drive, storing a Subversion repo and sandbox for a small project. I'd also like it to be able to store a DVD rip. At the moment I've got a Super Talent ...
5
votes
2answers
1k views

Is it worth to buy an external USB SSD drive for my laptop to increase performance?

I'm a programmer, and I use Eclipse for Java development. Recently I've installed an internal (SATA) SSD drive on my home machine, transferred Eclipse installation and project to it and noticed a ...
5
votes
2answers
1k views

Does the length of a WPA2-PSK passphrase affect wireless performance?

Will the performance of my home wireless network be affected by an overly long WPA2-PSK passphrase? Is the passphrase used only during authentication or is it used to encrypt all frames?
5
votes
2answers
988 views

Built-in RAM disk solution for Windows XP

I remember that back in the "good old days" of MSDOS a RAM disk driver was bundled with the "OS" and by doing some simple settings it was possible to configure it. Does Microsoft still supply this ...
5
votes
3answers
13k views

What's the typical performance of Windows File Sharing (SMB) on a gigabit ethernet network?

I've recently set up Windows file sharing over a gigabit ethernet network (I'm not using jumbo frames) with a Samba server and a Windows Vista client. I've done a few file copies, but the maximum ...
5
votes
2answers
120 views

trying to get antivirus policy changed

I am a radiologist who spends all day taxing my computer with thousands of medical images and heavy duty image processing. Unfortunately, my hospital, and many like it, apply the same antivirus policy ...
5
votes
3answers
1k views

Recommendations for hard drive performance boost

I'm going to be building a new system soon and I'm willing to spend a few more dollars to improve my hard drive performance. This will be a general use system so I just want to see HD intensive tasks ...