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

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0
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0answers
5 views

Change core voltage from ARM processor running Android

There is a way to change the core voltage from an ARM processor running an Android system? I want to run some benchmarks incrementally increasing core voltage, for example, from 0.7V to 1.05V in ...
-1
votes
0answers
11 views

When an installer is optimising code, what is it actually doing?

Some installers, such as Toad's, perform a "code optimization" during the installation of the program, presumably to enhance the operation of the application. However, considering installers usually ...
0
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0answers
28 views

Windows 7 - High DPC Latency

I've installed Windows 7 on my laptop, after having Windows 10 and not liking it because of several driver issues and constant bluescreens. My computer is performing much better, but I am still ...
0
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0answers
23 views

Does this speed numbers show I can improve my internet connection?

I have a... quite slow Internet connection, but some weeks ago to now I'm experiencing signs that lead me to believe that maybe my Internet connection is faster than I'm experiencing day to day. My ...
-1
votes
2answers
30 views

Logical vs. Physical CPU performance

A computer has 2 physical cores, and 4 logical cores (For example, a computer with an i5-3210M processor). When a program A runs, htop shows that it uses 100% of 1 core, and other 3 cores are nearly ...
4
votes
2answers
3k views

Which graphical settings impact CPU usage?

When running a game on a CPU-bottlenecked PC, which graphics settings should be decreased to improve performance? In other words, which settings usually have impact on CPU usage (rather than GPU)?
2
votes
3answers
3k views

Windows 8.1 takes 10 seconds to open file explorer from taskbar (not from start menu)

I open "This PC", and right click to to "Pin this program to taskbar". Now there's a shortcut to explorer in my taskbar, but when i click it, it takes around 10 seconds before the explorer window is ...
2
votes
3answers
3k views

Optimal location of pagefile on a system with two SSDs, with system drive faster than secondary drive

Background My laptop has three disk drives, two of which are SSDs. The system drive is a 512 GB Samsung SSD 850 PRO, while the other SSD is a 64 GB Plextor M5M. Needless to say, the M5M is ...
0
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2answers
26 views

Does intel turbo boost count towards a minimum-requirements?

I have been asked at work to find cheaper alternatives to the default laptops being ordered and used currently by the various departments at work. Come across a few laptops which hit a solid price ...
0
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0answers
10 views

CRC keep rising up, the connection is slow, weak download rate

a few days ago, i had the my internet connection doubled from both the Tel Company and the internet provider, but since then, i had problems regarding the browsing speed, slow download rates(some ...
0
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2answers
29 views

Can laptop slow down after ram upgrade?

I upgraded RAM on my old ThinkPad T400 from 4GB to 8GB. Is it possible that my laptop slow down because of additional RAM? It is quite old laptop. Specs: Intel Core2Duo P8600 2,4GHz SSD Samsung Evo ...
0
votes
1answer
3k views

Port forwarding on D-Link DIR-615 super-slow, useless

I have replaced my old router with DIR-615 from D-Link, and now the port forwarding is so slow it makes the router practically useless for requests coming from outside of my network. Accessing the ...
0
votes
1answer
19 views

Dell computer slows down due to not charging

I have a Dell Latitude E6420. It currently has this problem where it will be plugged in and not be charging. When it doesn't charge it massively slows down its performance. Sometimes if I wiggle the ...
2
votes
1answer
4k views

Unusual and sudden slow login and lock screen in Windows 7

I have Windows 7 Professional on my laptop (since 2011, not updated). It was working fine, but suddenly the login screen has an unusually long please wait time, and lock screen takes about a minute or ...
0
votes
3answers
36 views

New SHDD suddently responding VERY slow - Seagate Desktop SSHD

I have a two months old: Seagate Desktop SSHD - 2TB Im running this SSHD as a secondary drive (have an SSD running as boot), being a "backup" drive. I've created two partitions with it: one with 1....
0
votes
1answer
33 views

Linux swap slowing my system?

Can swap really slow the system because it uses the hard-disk as a RAM unit ? I have Fedora 24 (Gnome) here with 8 gigabytes of swap and 6 gigabytes of ram , but i am noticing a very bad conditional ...
1
vote
3answers
47 views

Windows 10 - MSTSC UI has very bad performance

About a month ago I reinstalled my PC at work and put Windows 10 on it after I received my new SSD. While the system itself runs very smooth, the MSTSC UI (the connection dialog) is pretty much ...
1
vote
1answer
17 views

Why is it so slow to open up a 50 MB text file in a GUI text editor?

I've always wondered why is it so slow to open up a 50 MB text file, either in Notepad++ in Windows or Pluma in Linux. I have a computer with 16 GB of RAM, can't the OS just put the whole file in RAM ...
0
votes
1answer
46 views

Slow performance using xfreerdp on Ubuntu 16.04

To connect to my virtual machine I use xfreerdp. Unfortunately, I feel too poor performance. For example, the machine has Windows 10, so when minimizing windows, you can see one frame of animation. I ...
7
votes
2answers
380 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
0answers
21 views

Weird performance differences on similar workstation cpus

I'm running some scientific simulation code on a cluster which has nodes containing Intel Xeon E5-2630 v3 cpus. The cluster uses CentOS 7.2.1511, the gcc version I'm using is 5.1.0, and the assembler ...
25
votes
3answers
2k views

Why are newer generations of processors faster at the same clock speed?

Why, for example, would a 2.66 GHz dual-core Core i5 be faster than a 2.66 GHz Core 2 Duo, which is also dual-core? Is this because of newer instructions that can process information in fewer clock ...
0
votes
0answers
4 views

y700 on battery performance really drops after 30min

I got a Lenovo Y700 laptop and it's great! The only problem that I got is when I game on battery the performance are good (all battery saving are off) but about after 30m there is a huge frame drop, I ...
-1
votes
0answers
12 views

GZIP is not enabled - Load balancer or web server - PageSpeed insights bug?

Is your web pages fast on all devices? Try Google's PageSpeed Insights. How well your site works across mobile and desktop devices? Think with Google. Now, most of these scanning site, looked ...
0
votes
0answers
8 views

Outlook + iCloud/iPhone + giga mailboxes - opinions please

I have someone asking me for a fonctional setup under these conditions Microsoft Outlook Google Apps contacts/email/calendar 6-7 PST files for a total of ~45-50 Gb Syncing via iCloud to iPhone ...
2
votes
1answer
389 views

Test RAID array read write speeds from boot disk

I have a VMware ESXi server with a local RAID 5 datastore formatted with VMFS. The RAID controller is a DELL PERC H710 hardware controller and the server is an R620. I get abysmal write speeds, ...
0
votes
3answers
54 views

why only download is slow but upload is fast on my computer?

I'm confused about a network problem on my PC. It hasn't had a problem before but suddenly its happening often since a week ago. I tested the Internet speed at speedtest.net. My environment is: OS: ...
0
votes
0answers
25 views

Is it worth it for the average user to upgrade their computer every 18 months? [closed]

I hear that every 18 months computers get twice as powerful, but looking at my computer from 2010 and a new computer from 2016, (that's 4 18-month periods, meaning 8 times more powerful) I really don'...
11
votes
5answers
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 ...
6
votes
2answers
1k 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 ...
1
vote
1answer
941 views

VMware Workstation has terrible performance on local hard disk

I'm working on vmware image files. My computer always load hard disk and vmware works very slow at the same time. Guest OS: Windows XP SP2 Host OS: Windows XP SP2 Is there any way can improve the ...
0
votes
1answer
48 views

Old Toshiba Laptop Windows 7 AMD Cpu Upgrade

I want to be able to upgrade my Toshiba laptop from a C-50 dual core CPU to something better around say 2.50Ghz or at least 2Ghz. I don't know the exact socket of the CPU but I think that it is a ...
1
vote
0answers
52 views

SSD encryption the proper way

When encrypting devices it is always recommended to fill it with random data first, or it would become evident that the drive is encrypted and how much encrypted data there is. I've read that on an ...
2
votes
1answer
125 views

Why do I get better performance on VMWare when I enable all cpus along with adding cpulimit?

I'm curious but at the same time also would like to share my findings of the increased gaming performance in VMWare by enabling all virtual cpus and limiting the VMWare process with cpulimit (...
-2
votes
0answers
36 views

What CPU manufacturers really mean by “1-4Ghz Processor”

Recently I found out that what's known as the crystal oscillator is responsible for setting clock cycles. To my understanding this oscillator is found on the motherboard, not the CPU. My first ...
1
vote
1answer
35 views

Very slow random read of SSD on desktop (9,000 IOPS) but normal on laptop

I just purchased a new Plextor M6V 512GB SSD and am experiencing very low 4K Q32 read speed. 36 MB/s = ~9,000 IOPS which is 10 times as low as specification value. Why could it be? Motherboard: ASUS ...
0
votes
2answers
118 views

The PC runs very slow even after a clean format

Operating System: Microsoft Windows 8.1 Pro [Version 6.3.9600] My System Info My PC is running very slowly and sometimes it freezes. So, I did some Defragment Tests on the HDD's and did some ...
0
votes
0answers
99 views

Slow boot on Fedora 24

Last week, I installed Fedora 24. Previously, on the same computer, I was using Fedora 22 (Fedora 24 is a clean installation, not a package upgrade). What surprised me is that Fedora 24 is booting ...
18
votes
6answers
24k views

Super slow opening my downloads folder

I have an exe file in my download folder that I half downloaded through utorrent (it's not piracy, a legit file from people who use bittorrent to distribute large files). I think I tried to open it ...
3
votes
2answers
4k 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 ...
4
votes
2answers
140 views

Currently well suited SATA2-SSDs for Laptop usage [closed]

I am looking for a solid state drive for my laptop. My dillemma: I have been waiting for the new Intel SSDs since Q3/2010, as I've heard they should be better and cheaper, due to lower memory ...
0
votes
2answers
22 views

Why Is My Speed Showing Faster Than Max Speed

I am converting .mkv files to .mp4 files using handbrake. I understand that this program is a total resource hog, but it is the best one I have found that can batch convert. Regardless of all of ...
0
votes
0answers
29 views

What do more cores specifically do? [duplicate]

I am running Windows 8 on a custom built pc, where the processor is currently the Intel Pentium G3258 (2 CPUs) ~3.2GHz and I have overclocked it to run at 3.7GHz, but the performance I need is ...
5
votes
1answer
22k views

Are 6th-generation Intel processors slower than 4th-generation?

I'm looking at building a computer for my brother. Back when I built my own I used a 4th-gen CPU. My thinking is "well he should obviously have the latest generation because they say they're always ...
1
vote
1answer
19 views

Plugging in ethernet cable slows down wireless

I have a D2200D DSL router provided by Frontier. The router connection has been failing with the DSL link light solid green, Internet link light blue. Failures show up as computer wired and wireless ...
0
votes
0answers
16 views

dd file copy uploading to server is fast, downloading image back to local machine is slow

I've used dd to copy a hard drive on one server to the samba share on another server. The speed was between 30-60 MB/s, about what I'd expect. The connection is a dedicated gigabit line for each image....
1
vote
4answers
5k 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, lags....
0
votes
1answer
29 views

How to know the device driver which is causing the computer to be sluggish (Windows)?

My computer suddenly became sluggish. Task manager didn't help. I had lots of memory (computer has 16GB), SSD and lots of free space. CPU% was less than 5%. The last change that happened before the ...
-1
votes
1answer
160 views

High CPU Usage, system and svchost [duplicate]

My pc has been experience lag ever since it came back from a fan upgrade. Now i noticed that my cpu usage spikes from 10% to 80% and back in seconds, i see that svchost.exe is consuming 25% and system ...
4
votes
3answers
7k views

Slow startup on Windows 7 Home Premium laptop

My Dell Inspiron 1545 running Windows 7 has reached the point where its startup is painfully slow. Normal operating speed is still very good, however. I keep getting nagged by startup options, like a ...