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

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0
votes
1answer
7 views

Computer super slow and laggy, while resources are not being used

Ok so I have a custom built PC; specs below: CPU: Intel Core i7-4700 Motherboard: MSI Z97-G55 RAM: 16GB DDR3 Video Card: PNY nVidia GTX 770 Primary Hard Disk: Samsung 850 Evo Primary OS: Windows 8.1 ...
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 ...
1
vote
1answer
36 views

Windows XP system with 8GB RAM, will I still get dual-channel benefit? [on hold]

I am running a legacy Windows XP PC (not for internet use of course). It has 2x4GB RAM which operates in dual-channel mode. Obviously Windows XP can only use 4GB RAM. One could argue the second stick ...
1
vote
1answer
16 views

Arch Linux insane memory usage

I just installed Arch Linux and set it pretty much up how I want it to be. At the moment XFCE4 with LighDM, Firefox and a few other little applications are running. I wanted to see whats going on in ...
47
votes
16answers
96k views

How do I troubleshoot a Windows freeze or slowness?

A machine is described as being "really slow" or "freezing". How can I troubleshoot/resolve this issue? What should be the first steps to take?
1
vote
1answer
2k views

Flash stream makes my internet slow and cpu rush

When I try to watch a live Flash stream, my CPU usage goes up to 75% and my Internet speed goes down. If I run a test before the video-stream, my speed is ~40/10Mbps and during the stream it drops to ...
4
votes
2answers
121 views
+100

Choppy CSS3 animations in all browsers on yoga pro 2

This might seem as a broad question because I don't know where to start. When I compare the same CSS3 animations between my old Lenovo Yoga 13 and my new Lenovo Yoga 2 pro, my old laptop performs much ...
0
votes
1answer
382 views

Extremely slow download speed, could my modem be causing it?

First off all I want to thank everyone who is reading this. This will be a long problem so I really hope someone has an answer, as my ISP doesn't. For over a month we have been experiencing ...
25
votes
12answers
9k views

Reclaiming disk space on Windows [on hold]

A lot of disk space is taken up by a default Windows installation in various temporary and backup data that may never get cleaned up on its own. Eventually you realize that the large multi hundred ...
0
votes
4answers
3k views

Low disk performance with Windows 8.1

I have a Dell XPS 15 (L502X) that have a Core i5-2450M, 6GB RAM and a 1TB WD 5400RPM HDD. This notebook Achilles' heel is the disk. It's slow and I understand that if I do stress it to much, it lends ...
2
votes
0answers
265 views

USB Keyboard and Mouse slow to activate using docking station for Lenovo T430

I just recently upgraded to a T430. Happy with the laptop but one thing I find annoying is that when I use it through the docking station - it takes several minutes ie 3-5 for the USB keyboard and ...
-1
votes
0answers
26 views

Disk transfer rate suddenly became extremely slow Windows 8.1

I've been running Windows 8.1 x64 on my AMD Phenom PC for a long time without serious problems, and today my HDD transfer rate got ridiculously slow. The Seagate Barracuda 7200 1TB HDD was bought ...
0
votes
0answers
202 views

Toshiba Satellite P850 - Freezing and Stuttering

I've about exhausted all my known options at this point. I own a Toshiba Satellite p850 which was new in 2012. The laptop frequently (several times per minutes) locks up or stutters the entire system. ...
2
votes
1answer
33 views

Ethernet switch throughput

I'm not a network/hardware guy so please bear with me if I'm using the wrong vernacular in my question: My office recently upgraded our Internet from 50/10 Mbps to 150/20 Mbps. For this upgrade, we ...
0
votes
1answer
23 views

Shared hosting: how do they estimate server CPU usage? [on hold]

I'm using several shared hosting services and wondered many times: how do they calculate those "CPU seconds"? For example one of those limiting me with 300,000 seconds/month, 10,000 seconds/24h and ...
4
votes
2answers
658 views

It is possible to reproduce the Windows 8 Fast Hybrid Boot into Windows 7?

One of the best new features introduced by Microsoft on them new Windows is the Fast Hybrid Boot, which improve Windows 8 Boot times up to 70% less than Windows 7: Basicaly, everything this new ...
0
votes
1answer
41 views

Laptop running too slow lately

I bought my laptop in late 2013 with the following configuration: Motherboard / model: NP-530U3C Intel(R) Core(TM) i3-3217U CPU @ 1.80GHz RAM: 4GB DDR3 Hard drive: 500 GB 5400 RPM + 24GB SSD OS: ...
1
vote
4answers
3k views

HP Probook 4530s great specs, but lagging. Hard Drive?

I have this laptop, which has a i3 processor, 4gb memory, 7200rpm hard drive. So there is nothing wrong with the specs. Even when I have no applications open, simply closing and opening windows, ...
27
votes
3answers
53k views

How to diagnose slow booting or logon in Windows?

When I start my PC, it boots into Windows (Windows 7 32-bit) quite happily, I login and the main Windows screen appears. At that point, however, the system is extremely unresponsive for up to 5 ...
0
votes
0answers
15 views

Is there any way to load flash content without reloading the webpage? [closed]

I often visit sites with flash content in chrome. Is there any way to load only the flash content of the webpage instead of reloading the entire webpage? Are there any extensions or browser tricks to ...
0
votes
2answers
72 views

Going silent: will an SSD with a newer but 'slower' CPU run as fast? [closed]

I currently have a relatively old (2009) Shuttle XPC with an AMD Phenom X2 550 3.10GHz and 2 SATA HDD drives. I use it as my work computer, usually running a couple of browsers, XAMPP, 2 or 3 ...
0
votes
3answers
3k views

Slow internal disc to disc file transfer speed

I ran the HDTune drive monitor while I was transfering about 80 GB of various sized files, most of which was running about 40 MB/s, but you can see where it spiked down to under 1 MB/s. ...
0
votes
0answers
32 views

Mismatched upload vs. download speeds between two computers on the same home network

I'm busy setting up my Plex server on a separate Wi-Fi router and I'm testing the transfer speeds between two MacBook Pros. It's just got me baffled because I've come across something weird. Not ...
14
votes
7answers
16k views

Why does GIMP start up so slow on my machine?

Is there any way to speed up GIMP's startup time on Windows Vista Home Premium 32-Bit 1.6 [Dual] Intel Processors? On XP [different computer], it loads in less than 3 seconds. On Vista, it takes 20 ...
0
votes
0answers
12 views

Internet speed spiking/going extremely slow on my pc for on ethernet for no reason?

guys my connection is spiking like crazy and only on my pc, it's been happening for days now and i have no clue why, on win8 and win10 speedtests like this when usually its something like this ...
0
votes
0answers
19 views

How to decrese facebook's resource footprint? [closed]

Opening facebook in a modern browser consumes large amount of memory and cpu usage. I am wondering if there is any add-on or greasemonkey script to make facebook lighter. Even with realistic reduction ...
0
votes
0answers
101 views

RAID to handle 800 random blocks per second

This is a homework. We are supposed to pick HDD, imagine we are buidling RAID to handle 800 random blocks per second (550 reads/250 writes). I have picked RAID5 made out of 3 HDDs. But it is too ...
0
votes
0answers
16 views

How can I determine whether the disk read and write speeds on Windows 8 task manager are normal?

On Task Manager, when I start a heavy application and monitor its start on Task Manager, my disk's read and write speeds remain between 1MB/s and 2MB/s with some peaks at 10MB/s in rare cases. ...
5
votes
1answer
5k views

High Disk I/O and CPU usage of System Process in “System Volume Information”

I've a problem with high disk IO and cpu usage from the system process. With the performance monitor I can see that it writes and reads about 100MB/s froM "System Volume Information". I tried to get ...
1
vote
0answers
38 views

WPA shows NIC driver DPC fragment running for 232 milliseconds

I'm stress testing my UDP proxy on a machine with 8 logical CPUs. At around 14 thousand UDP clients, one of the CPUs (CPU 4) starts spiking and UDP throughput (as shown by Task Manager) plummets to ...
0
votes
0answers
13 views

RHEL upgrade makes AIDE to run slower

ALL, For our product we upgraded from RHEL 5 to RHEL 6. Unfortunately AIDE tool that we use for intrusion detection started to slow down it's scan for about 2-2.5 times. I checked and the ...
0
votes
1answer
21 views

CPU Load + Frequency per core in linux terminal?

I am doing scientific computing and I need to keep an eye on the cpu frequency and load of each core (there are 2 cores, on Ubuntu 14.04 w/ Gnome3). I can see the frequency with this bash script: ...
2
votes
4answers
185 views

How to debug a problematic word document

I realize that there are tons of questions with similar symptoms, but I checked most of them and could not find an answer. My system setup is as follows; nothing special running in the background: ...
-1
votes
0answers
13 views

Tool that maximises shapes' size in a fixed size container [closed]

I've been looking for this for quite some time: a way to maximise shape size within a fixed container. Two example use cases: I want to laser cut different shapes as large as possible out of one ...
11
votes
3answers
38k 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 ...
0
votes
0answers
11 views

Windows Server: Statistics

I have a small home server running Server 2012 R2. I would like to be able to view general statistics about its performance including counters for CPU, memory, disk, etc. Ideally this would be ...
2
votes
6answers
2k views

Creating/renaming folder in Windows 7x64 extremely slow

I have this very annoying problem : Whenever I want to create or edit a folder on my system it takes a very long time to complete. Right click-new folder... wait... wait... wait a good 30-60 ...
2
votes
4answers
3k views

How does the performance of nano/pico wireless adapters vs. regular-sized USB/PCI-E adapters compare?

Wireless N adapters come in all shapes and sizes: some have 2 antennas; some have only 1, and some have no external antenna at all. I assume that those with at least one external antenna have better ...
0
votes
0answers
28 views

Extreme speeds from a hard drive that shouldn't be this fast?

I have a Seagate 7200rpm drive and for some reason ATTO Disk Benchmark concludes that this drive is around 220 MB/s read and write. Isn't this unrealistic for a drive of this kind? ATTO displays the ...
0
votes
0answers
21 views

Single user website — performance tuning

I'm a university researcher and I have a private wiki which I use to write down notes. It's on a very resource constrained VM with 512MB of memory running MediaWiki. Since there's only really one ...
0
votes
1answer
62 views

My cpu claims it is 2.53 ghz but never reaches it. why?

I run cpu burner, and set c state limit to c0. all power savings are disabled and i set multiplier to 20T which is the only allowed turbo multiplier on throttlestop. maybe there could be another ...
0
votes
5answers
201 views

Why is my Mac slow?

I've started seeing the beach ball cursor on my Mac a lot lately, and I haven't been able to track down the cause. It happens even after restarting, with only a few applications running (basic stuff ...
4
votes
1answer
4k views

High CPU usage by dwm.exe when nothing is happening

Setup: Windows 7 Ultimate, running in a VMware box inside Windows 8, VMware Tools installed; VMware Workstation is the only application launched in win8). Aero is on. Starting a few months ago, on ...
1
vote
0answers
28 views

Why is computer slow in switching between opened applications?

I like to open a lot of Chrome tabs, but when I try to switch between open tabs, the tab tends to re-render. When I have some other applications open alongside with chrome, those applications also ...
3
votes
2answers
2k views

Very slow volume expand on Synology ds2413+

I've posted this elsewhere on the internet aswell, and will obviously reply in both places if a proper solution is found. I am attempting to expand SHR volumne (2x4TB, 1x2TB) with additional 4TB ...
0
votes
1answer
86 views

Intel turbo boost falls back to default 2.4GHz just when it's needed most. How can this be resolved?

Intel Turbo Boost has my laptop running at 3300 MHz most of the time. My power settings are maxed out, so it stays there most of the time while I'm browsing the Internet and stuff, but once I run a ...
-1
votes
1answer
42 views

Why is my Lenovo G500 laptop computer running slowly?

The one I’m currently using is a Lenovo G500, Intel Core i7, 2.10 GHz, 8 GB RAM, 1 TB HDD, Windows 8.1 64-bit, AMD Radeon HD 8570M, Intel HD 4000. The problem is that it is slow. It lags, even if I ...
3
votes
6answers
1k 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 ...
1
vote
0answers
59 views

How to measure a HDD's RPM speed?

EDIT: My original intent with this question was to figure out if it would be worth purchasing a 7200rpm drive if mine turns out to be 5400rpm, but JakeGould has made it clear that RPM alone is not ...
4
votes
2answers
486 views

How do I troubleshoot a slow Windows computer? How do I know if more RAM can make a difference?

How do I troubleshoot slowness in a Windows computer? How do I know if RAM is an issue? In this case Windows Explorer is slow. (but it is quite subjective) I think it might be because of many ...