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

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-1
votes
1answer
15 views

Download speed and software/CPU relations?

I notice that downloads on my old, slow, XP machine, using the home Wi-Fi, are slower than downloads from the same connection on my Tegra K1 ARM tablet, which is definitely faster. Using any browser ...
0
votes
0answers
7 views

fio: can't generate filenames based on jobnames

I am trying to benchmark performance using fio. Unfortunately I have some issues with fio (2.2.8 from git) and the interpretation of the manual. The manual reads (line 142, HOWTO): If no filename ...
-1
votes
0answers
30 views

What could cause a computer to run slow without any evident changes? [on hold]

Over the past couple months, I have been working on an application which converts PS files to PNG using Ghostscript.net, and then merges these into another PDF document. There are 100+ PS files which ...
1
vote
1answer
12 views

curl capturing http status and timing the request

I have a loop in wich I check urls from file one-by-one and want to get the status header and the execution time of every request as result. I have two curl commands: This one outputs the header ...
17
votes
4answers
930 views

Why is my Windows unbearably slow? [duplicate]

I use Windows since ever, sometimes Linux, sometimes OSX. Since Windows ME/2000 I have been having this major problem: I install a fresh copy of Windows, it boots fast as hell, everything goes ...
0
votes
3answers
47 views

Why is my computer so slow s:

I've had this problem for so long and it's annoying me. Everyone says my computer is bad but I dont get it. on Runescape I get 4 FPS. On LoL my computer just crashes and Skyrim is insanely laggy and ...
2
votes
0answers
31 views

Wrong total ram ( 8 GB installed, 4 appears and used in total )

I have this motherboard: GA-X38-DQ6 which can hold up to 8 GB of Ram. When I got this computer it had 4 memory sticks, 1 GB each, and everything was fine. Now, I have two sticks, 4 GB memory each: ...
0
votes
0answers
48 views

Bad performance after re-install windows

Lately my laptop was having trouble playing certain games because the disk would go to 100%, after trying multiple things to fix it without succes I decided to start from scratch and reinstall ...
1
vote
0answers
22 views

QCA9565 / AR9565 Slow at some distance

I'm having trouble with an Dell Inspiron 14 5447 Wifi using Ubuntu 14.04. It's an QCA9565 / AR9565 Wireless Network Adapter. When I'm at 4 meters distance of my wireless router, it works fine, as ...
0
votes
0answers
19 views

Does putting virtual machines in separate partition affect performance?

I have a 500 GB HDD in a laptop. I partitioned it into two drives so I could leave the C drive for windows and the other drive E for virtual machines. I run CrystalDisk benchmark on the C drive and ...
0
votes
0answers
71 views

Facebook load times are very slow, but other pages are fast, and >12Mbit/s up & down

I have measured 12 Mbit/s up and downstream. I have a wireless Network Adapter called Asus PCE-N53 (300Mbps 11n Dual band Wireless LAN PCI-E Card) and is connected to my local wireless router. I have ...
0
votes
0answers
47 views

Fast Wi-Fi speed on smartphone but slow on notebook

I have a Lenovo G710 notebook and a Samsung Galaxy Note 3 smartphone connecting to a Linksys E1200 AP. The Wi-Fi speed on my G710 is extremely slow compared to the Note 3, and half of a month on, ...
0
votes
0answers
47 views

Set Windows 7 to “Performance optimized” under Visual Effects with Batch script

I have this .bat script to start a specific game: @echo off if not "%~1"=="p" start /min cmd.exe /c %0 p&exit start "" "GTAVLauncher.exe" timeout /t 60 /nobreak >nul taskkill /f /im ...
-1
votes
0answers
30 views

Windows 7 UAC and system performance drop

Can anyone confirm the performance drop when using computer? I'm getting tired of constantly battling all kinds of malware and "issues" Windows can have when using as normal, so I switched on UAC and ...
1
vote
2answers
24 views

Are there any security or performance implications of changing the user-agent in a browser?

I am working on a production issue which only occurs in IE10 and not in chrome/Firefox. If I change the IE10's user-agent (F12) to Mozilla Firefox it works. I need to debug the app. layer to find ...
0
votes
1answer
16 views

Why does maps.yandex.com load sooo slowly?

Considering that maps.yandex.com is the Russian equivalent of Google Maps (and hence, presumably, very popular), why does the website perform so extremely poorly? I'm viewing the website from the UK ...
0
votes
1answer
14 views

Slow download speed from own web server WAMP

I set up an easy WAMP server where I have some video files in the www folder. Now, when I download I only get 6-12 MB/s in Opera or Google Chrome. I've done speedtests and I have around 800 MB/s ...
1
vote
1answer
22 views

How can I audit performance while screen is asleep to troubleshoot audio issues?

I am having issues with my audio being choppy when my laptop's screen goes to sleep. Specifically, I want a log of the following: Applications' resource usage Any resource spikes Any ...
-1
votes
1answer
65 views

Does a faster processor noticeably increase speed in web page serve and load from localhost? [duplicate]

I am a web developer getting a new computer. Right now I am deciding between two laptops - one that has 32gb ram but a slower processor, and one with 16gb ram (can't be upgraded further) but a faster ...
1
vote
4answers
75 views

Machine too slow

My PC (a Lenovo Laptop) is used for software-development, website-dev, graphics work etc., so there is quite a bit of stuff installed and running. Yesterday I tried to import a MySQL-Dump (100 MB) ...
0
votes
0answers
36 views

Hard Drive R/W Speeds are Limited to about 3Mb/s

My mom's Acer laptop is super slow. However, when I open the task manager, the limiting factor of its performance seems to be the hard drive, which is usually maxed out at 100%, though only operating ...
1
vote
0answers
49 views

How to diagnose slow (only for awhile after start) Windows 7 machine?

I've got a Lenovo Ideapad, with a dual core Atom processor and Windows 7 that exhibits some odd behaviour. It's insanely slow right after boot. The disk drive will be lit up solid and grinding away ...
1
vote
0answers
103 views

svchost.exe (LocalServiceNetworkRestricted) uses excessive RAM on startup

I'm running Windows 8.1 on a Lenovo Ideapad Yoga 13 with a Core i5 CPU and 4 GB of RAM that I bought July of 2014. Though I have had a good experience, there's one problem, as you can see from the ...
0
votes
1answer
31 views

Gaming write-to-disk amount

I'm wondering (and I can't seem to find any relevant information) how much does gaming specifically use in disk writing? I know "gaming" is quite generic, but I'm comparing this to classic desktop ...
-1
votes
3answers
52 views

Will I perceive speed improvement with more ram?

I have a Toshiba Satellite L855-S5240. The current specs are, Intel® Core™ i5-2450M Processor2.5 GHz, (3.1 GHz with Turbo Boost Technology 2.0), 3MB L3 Cache Mobile Intel® HM76 Express ...
0
votes
0answers
45 views

How can I improve the performance of my computer?

I have had my computer for a long time now and even though I try to keep things clean, it seems relatively slow. Particularly, the windowing system seems to lag frequently. Windows fade in slowly ...
0
votes
1answer
40 views

Black screen after resume from hibernate

Here's my config: Windows 7 Ultimate (64-bit) i5 + 8GB (1600MHz) Samsung 850 Pro (256GB) My disk is giving me around 540MB/sec read speed, so I get a resume time of about 15-17 seconds which is ...
0
votes
2answers
62 views

Does disk partitioning impact performance? [duplicate]

I will soon buy a 4 TB HDD and I am wondering if I should split it since it has so much space. My question is: will doing this affect my computer's performance? If I would keep everything in one disk, ...
0
votes
1answer
54 views

Arch Linux extremelly slow and laggy

I was looking for an distribution that has Android Studio built in and came across 'BBQLinux'. The Android Studio works, but it's extremelly slow, to the point where it's unusable. I downloaded the ...
2
votes
3answers
44 views

What does the minimum spec mean in regards to CPU clock speed

Most software provide a minimum and/or recommended spec of hardware in order to the software. Within this list, we're usually informed of a clock speed for the CPU. For example, Visual Studio has, as ...
0
votes
0answers
16 views

Speed with multi-cpu motherboard

I'm looking at building a dual-cpu system, but I was wondering if there were any concerns with bottlenecks that I should be aware of since data is going to two different places now. I know that each ...
3
votes
1answer
126 views

Evaluate memory throughput

I use memtest86+ since years to evaluate memory throughput, allowing me to be sure everything is ok before putting a server in action. With one motherboard I can't have this information: The ...
-1
votes
1answer
39 views

Compare the performance and reliability of two hard disk drives [closed]

I currently have two basic hard disk drives from brands I don’t even recall. I just bought a new SSD to be the replacement of one of the two current ones. The two hard disk drives I currently ...
0
votes
0answers
20 views

Gateway NV5398U hard drive very slow to respond after upgrade from Windows 7 to Windows 8.1

This old but fully functional notebook PC worked as expected with Windows 7, just as fast (or slow, rather) as it was when new. After installing Windows 8.1, the graphics drivers were manually ...
1
vote
0answers
61 views

Samsung 830 256GB SSD dying?

I have a decent fast Computer (i7, 32 GB RAM, SSD, ...), which worked flawlessly for a year now, but about over a week ago the access rates just went bananas (well, very slow like on HDDs). Just some ...
-1
votes
0answers
27 views

Laptop stops charging after a few minutes

I'm using a Gateway laptop, the machine works fine on battery power. As soon as I plugin the charger it charges the battery for few minutes before the system show it as disconnected even though the ...
0
votes
3answers
154 views

Why is my Acer Aspire E15 running slower when plugged in than on battery?

I am working on an Acer Aspire E15 (ES1-511-C590) running Windows 8.1 X64 with all the latest patches. It is running significantly slower while plugged in than when running off battery. Yes, this is ...
0
votes
0answers
35 views

Use two different connections: one exclusively for download and the other for upload: possible? [duplicate]

I hope you can help me with this dilemma. I have two different connections, one is via router/ethernet, the other one is mobile: the first one has a very good download speed, but lacks of upload ...
0
votes
3answers
71 views

What factors other than clock speed influence the performance of a CPU? [duplicate]

Having seen various people test powerful emulators on their computers, I have come to surprise hearing about how one CPU can have triple the clock speed but still have worse single-threaded ...
26
votes
8answers
3k views

Can a massive MySQL data import on an SSD damage it?

I have to import quite a lot of data (~100 million rows, ~100 times) into a MySQL database. Currently, it is stored on my hard disk drive, and the bottleneck of my import seems to be the hard disk ...
0
votes
4answers
83 views

Random spikes to 100% CPU lasting several minutes, (intervals, duration, processes) W7 PRO Dell E6400

For the last month or so I'm plagued with often, yet unexplainable spikes to 100% CPU load. Usually then Task Manager shows one or two processes taking 50%+ of CPU (not always the same: svchost, ...
1
vote
1answer
13 views

VMware vSphere / ESXi 5.5 recommended guest system architecture

I am currently setting um VMware vSphere / ESXi 5.5 on a DellPowerEdge2900 and since it's an older server the following question came to my mind: Considering performance should I install guest ...
161
votes
9answers
19k views

Why does emptying disk space speed up computers?

I have been looking to a bunch of videos and I now understand a bit better how computers work. I understand a bit better as well what is the RAM, the volatile and non-volatile memories or the process ...
0
votes
1answer
75 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 ...
1
vote
1answer
57 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 ...
2
votes
2answers
100 views

Windows XP (32-bit) system with 8GB RAM, will I still get dual-channel benefit?

I am running a legacy Windows XP 32-bit 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 ...
-1
votes
0answers
72 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 ...
2
votes
1answer
54 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
33 views

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

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 ...
1
vote
1answer
57 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: ...