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

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2
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2answers
1k views

How to disable the online Authenticode check everytime you open an EXE?

Every time you open an EXE file that you've downloaded, Windows 7 checks online if the EXE is signed. Is there a way to disable this? It takes around five seconds to test if it's okay, and then it ...
0
votes
1answer
112 views

Windows Quick Search Extremely Slow [duplicate]

Possible Duplicate: How to speed up Windows 7 search? My windows 7 computer has been very sluggish lately and one of the main areas I've noticed is the quick search (windows key type what ...
1
vote
3answers
2k views

Are .fon (bitmap font) files needed in Windows XP?

I'm trying to make a minimal XP installation for low-end machines, and I want to remove anything that could slow the system down. I've heard many fonts installed slow down the boot process, so I'd ...
0
votes
1answer
736 views

Archlinux boot time

I have Archlinux installed in my netbook. I want to reduce the boot time to less than 10 seconds. Is this possible? Do you have any success in reducing the boot time to a larger extent? I am aware of ...
2
votes
2answers
524 views

Lots of DDR2 and older CPUs or small amount of DDR3 and a newer CPU?

Building a new desktop PC, for some gaming and lots of Virtualization, I have come across a nice old machine I can use. It has two CPU slots populated by dual core AMD Opterons, and 16Gb of DDR2 RAM ...
1
vote
1answer
66 views

will there be a degradation in performance if i install 2 OS?

I was planning 2 OS systems on my laptop. One is already installed which is Win7 and second one that i need to install is fedora. Is it that if i install fedora there will be a degradation in the ...
6
votes
2answers
14k views

System and Interrupts causing high CPU

Under Process Explorer, I noticed that System -- and occasionally Interrupts -- are taking between 5% and 20% CPU constantly, for hours on end. This is resulting in weird video playback problems. ...
8
votes
2answers
14k views

Running a VM off a USB 2.0 Flash Drive - Mac/Parallels/XP

I use a MacBook Air as my primary machine, and the 128GB SSD means space is precious. To save about 10 GB, I've been running Parallels with a Windows XP VM off an external USB hard drive, which ...
7
votes
3answers
13k views

How to correctly partition usb flash drive and which filesystem to choose considering wear leveling?

Two problems. First one: how to partition the flash drive? I shouldn't need to do this, but I'm no longer sure if my partition is properly aligned since I was forced to delete and create a new ...
4
votes
2answers
2k views

How to solve extreme DPC latency peaks (240.000µs)

Once every few minutes I get a sudden peak of DPS latency that causes the system to "freeze" for a fraction of a second (240.000µs = 240ms). The freeze is not only audio, also video, input devices, ...
0
votes
2answers
572 views

How do I test the maximum TCP/IP transfer rates of my computer?

In Delphi, I am writing client software for open source message brokers, and would like the transfer rates with a realistic upper limit of what can be achieved on my local computer, or between my ...
1
vote
0answers
2k views

Why does Dropbox upload at only 1/10th of my internet upload speed? [duplicate]

Possible Duplicate: Is it me, or is Dropbox really slow? I have just purchased 50g of storage and am transfering files to go roaming. My internet speed shows as 860kb/sec on a speed test ...
2
votes
3answers
1k views

Windows 7 Games folder very slow: it takes several seconds to open Games or to select a game

The Windows 7 Games folder is very slow, and it appears to be CPU bound by Explorer.exe. When I open it, the folder takes several seconds to load all of the games. It also takes several seconds to ...
16
votes
2answers
11k views

Is Windows Hibernation Bad for SSD's? [closed]

I recently got an SSD, and I was wondering if should still continue using Windows Hibernation. My fear is that hibernation would cause significant wear-and-tear on the drive. I have about 8GB of ...
1
vote
1answer
626 views

Discrete audio - will Xonar DG improve my experience and reduce my CPU load?

I've experienced audio hick-ups when playing Battlefield 3. I suspect that it's caused by to high CPU load, so I'm considering discrete sound card. Currently I'm using on board one (VIA VT 1708S). I'm ...
3
votes
1answer
414 views

Extremely slow computer… not sure what to do next

A little over four years ago I built a PC with a Core 2 Quad Q6600 and 4GB of DDR2 800 ram. Not very good by today's standards, but it has served its purpose well. Recently (within the last two to ...
1
vote
6answers
679 views

Compressing a slow drive for performance?

I've gotten a shiny new computer with just a 60gb SSD, and I don't store much media so it hasn't been a problem... until I bought a game pack that needs 50gb+ to install. With hard drive prices and ...
0
votes
2answers
148 views

System hangs once in 2-3 days after installing DDR2 667Mhz RAM with a 533Mhz RAM

My Compaq Presario desktop with Windows7 professional installed becomes completely unresponsive once in 2-3 days, since I added an extra 2GB 667Mhz DDR2 ram to it. As told on the official hp site, my ...
2
votes
0answers
906 views

Can I disable Windows 7's indexing/scanning of dvd contents?

When I try to copy data from a DVD on my Windows 7 machine, I keep running into this problem. I open the DVD drive in windows explorer to browse the files, select the ones I wish to copy then paste ...
3
votes
2answers
2k views

Laptop boots - Windows taking hours to load - unusable

I have a friend's Asus X54 L laptop that Windows 7 (64-bit) suddenly stopped loading correctly on. Windows loads a little slowly to the login screen, I login, then it takes hours just to get to the ...
4
votes
2answers
5k views

Does partitioning a hard drive give a performance gain?

Back in the day you could gain some performance by partitioning your hard drive to several partitions: Pagefile OS and Apps data There was some debate regarding the order of the drives as the ...
41
votes
10answers
5k views

Which malfunctions cause old computers to slow down and crash?

I've had a few computers of my own break after a few years of use, and I've seen computers owned by friends and family do the same thing. They either slow down (even running the original software ...
0
votes
1answer
318 views

Iceweasel 8.0 extremely sluggish in Debian Squeeze

My installation of Iceweasel is extremely sluggish in Debian Squeeze. CPU usage by /usr/bin/Xorg seems to spike when doing very simple things like switching empty tabs, opening new tabs, scrolling. ...
7
votes
2answers
327 views

A USB keyboard in a Microserver is causing the machine to become very unresponsive

This video explains it best - Youtube Link I have purchased a number of Microservers and have finally got around to setting the first one up. It doesn't have a PS2 port, but, has loads of USB ports. ...
0
votes
3answers
4k views

Is ReadyBoost a replacement for more RAM?

I have an HP Pavilion s3000y desktop. The only problem is, the motherboard only supports a maximum of 2GB of RAM, which is not enough for some games or other memory hog applications (like Visual ...
0
votes
1answer
443 views

2 x RAM memories for notebook with different speeds [closed]

I have an old notebook which I use from time to time and would like to upgrade its RAM since it's really slow... It has two slots and only one is used, so I want to buy another RAM to put into the ...
3
votes
2answers
1k views

Maxed out memory on Windows Vista

My mother-in-law's Windows Vista desktop (Dell Inspiron 531) is running slowly, and I think it is because it is running low on memory. When the computer has been sitting idle for a while the physical ...
1
vote
1answer
2k views

How do I find out if an SSD is too fast for my laptop's SATA controller? [closed]

I have a Dell Latitude E5500 laptop, and I'd like to upgrade it to an SSD drive (120GB probably). I'm not sure what kind of SATA controller it has, and I'm not sure how to check honestly. How do I ...
3
votes
1answer
958 views

Why is the firefox so slow over `ssh -XC`?

If I compare Firefox to other browsers like Chrome or Epiphany, Firefox takes ages to load and behaves very slow. Why? I would like to use Firefox instead of others, in order to use my environment, ...
1
vote
3answers
225 views

Can installing Linux or Grub make all of my operating systems slow?

I installed Linux Mint 64-bit recently but it freezes up all the time. Not only that, but Grub wouldn't detect Windows. I thought it was just an issue with Linux Mint so I booted into Ubuntu - ...
1
vote
0answers
686 views

Moving files to outside of hard drive platters?

Currently I am working on cheap ways to improve my hard disk performance on my PC. I know that one way to do so is short stroking, but I would like to utilize my entire disk, not just part of it. I ...
9
votes
4answers
6k views

Is it possible to use a server to play games?

I am curious on whether I could slap a high end video card into a server and use it as a high end gaming machine. The server is a HP DL360 G5 with x2 Intel Quad Core Xeon processors, 16 GB of RAM and ...
4
votes
1answer
100 views

IO patterns during Explorer file copy

Copying several large files ( > 2GB ) between two USB HDDs reveals the I/O pattern below in Process Explorer. Write caching is disabled on the destination drive. I would have expected I/O to run at ...
1
vote
1answer
411 views

How does disk size affect performance of a computer?

We run some applications in our Red Hat 5 servers. An application running on client machines accesses on a mount on this server. This application is used by users via X on windows PCs. There are data ...
3
votes
4answers
5k views

How to test router-to-PC connection speed?

Is there a way to benchmark how fast my router is connected to my PC, independent of the internet? I've had slower-than-usual internet-based benchmarks, and I'm having a hard time figuring out if ...
5
votes
0answers
791 views

Why is I/O caching performance so much better on Linux than Windows? [closed]

This question is really just a port of a similar question on Stack Overflow: The emerging consensus from that question is that Linux has superior caching to Windows but the specific reasons why have ...
3
votes
1answer
720 views

How does one troubleshoot Windows hanging copying large files from external HDDs?

When I copy large file (for example over 4GB) from external WD MyBook USB 3.0 HDD to internal SATA2 HDD all of Windows just freezes. Copying files of any size on internal HDD is fine. Today I copied ...
2
votes
1answer
1k views

ffmpeg not using full CPU power

I have a Dell Precision 490 workstation, running Ubuntu 11.10, with two dual core Xeon 5160 CPUs (so 2 physical CPUs, with 2 cores each), which I am using to encode TV recordings (MPEG2) to H264 using ...
3
votes
2answers
2k views

Why does my laptop's CPU intermittently run REALLY slow?

My laptop's CPU is an Intel P8400, rated for operation at 2.26GHz. However, sometimes it starts running really slow: the computer becomes nigh unusable, and utilities like CPU-Z show clock speeds in ...
8
votes
1answer
4k views

Linux: CPU core shutdown instead of sleep state

In Linux you can shut down CPU cores (or physical CPU's) with echo 0 > /sys/devices/system/cpu/cpu1/online Assuming that the hardware fully turn off the CPU and cuts power to it would it not be better ...
1
vote
2answers
532 views

Any way to make two images the same size and/or aspect ratio in ImageMagick?

Suppose I want to have two images side by side in a slide but they are different sizes. I know I can use "mogrify" and "convert" and all that to resize them, but it's a pain to type in the exact ...
1
vote
1answer
89 views

How To Find Out The Reason Behind A Hung Application

We have a product which has two divisions one is workstation edition which contains only UI and other is Server edition contains both UI and database part.We do have lot of systems running on ...
4
votes
1answer
321 views

GPU running underclocked / under normal speed?

I have tried to overclock my card. Seemingly it worked, and the GPU-z shows the OC speed (see GPU3.png). However, current readings are REALLY far from the normal speed of the GPU. That's what I can't ...
0
votes
2answers
97 views

What are the important things that need to be taken care while setting a network connection between systems?

I have an application which has a client edition(workstation) and server edition(service). The client edition is on Windows XP and the server edition is on Windows Server 2003. We have a lot of ...
4
votes
2answers
714 views

Should software encryption affect the “Disk data transfer rate” from Windows Experience?

My company mandates Software Encryption for all laptops. I dragged my feet because I did not want to have anything between me and my data. But I was finally pushed into it. I installed it and I am ...
6
votes
3answers
909 views

Which partitions in a windows system should be placed on a SSD for optimum gaming performance?

I'm going to build my next gaming system. I do not care for the load time of Windows 7. It could take 15 mins, I'd just do something else meanwhile. So I'm thinking I put the SSD disc only for my ...
1
vote
4answers
559 views

Harddisk write performance as bottleneck

I'm trying to speed up compiles on my system, and have found that harddisk write performance seems to be one of the bottlenecks (as the compiles write a lot of object files and associated debug ...
86
votes
7answers
7k views

Does a computer use fewer resources when programs are minimized?

When programs are minimized in Windows 7, do they use less memory and CPU than leaving them maximized?
0
votes
1answer
4k views

Why is the unzip with WinRAR so slow?

Why is the unzip so slow, if the processor is not 100% busy, disk I/O is not saturated, and there is enough memory? I'm using Win7 x64, but this was just an example. (The package can be anything big ...
3
votes
1answer
410 views

Are there any known issues with Windows-8 installed on a VHD?

I installed Windows 8 preview on a VHD image and it seemed to work until I actually started using it. I´m seeing terrible performance. Installing anything makes everything else "stutter" or freeze for ...