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

learn more… | top users | synonyms (3)

0
votes
1answer
40 views

How can a computer have good or bad days?

When playing games on my Windows 7 laptop, it seems it has better and worse days. One day I might be experiencing very low framerates, while on the next, everything goes smooth*. But from my ...
0
votes
1answer
20 views

Determine bottleneck for the Wifi speed and match the Ethernet speed

The speed on my Wifi is substantially less than the speed on the Ethernet. Through mtr, I don't see any substantial packet loss between the laptop to the router. I want to be able to diagnose the ...
0
votes
1answer
23 views

seagate Central 3TB slow Transfer Speed

I have a seagate central 3TB NAS which is returning very slow file transfer speeds of just 4mbps. My router is a Buffalo Airstation WHR-G300N and is showing 300mbps connection speed. It is in N ...
7
votes
1answer
1k views

HDD performance spikes

I have a Dell Precision T1700 I purchased for about $1500 almost a year ago. I am having some moderate hard drive issues. I think it's not as fast as it should be. Booting seems quite long considering ...
0
votes
0answers
17 views

How can Chrome browser cookies cause internet issues?

Alright, so I'll make this as short and concise as possible. I have both DishNET and mobile data/hotspot for internet. I noticed DishNET was really slow today(I would estimate less than 5KB), so I ...
0
votes
2answers
101 views

I recently upgraded to 16GB, now my computer is slower. What can I do?

I've recently upgraded my RAM to 16GB (4GB before the change), and I've noticed my computer runs slower than before. After the change, gaming reached higher FPS than ever and surfing the web was no ...
0
votes
1answer
20 views

How to lessen performance impact on Dell laptop with defective power system?

A few months ago, I replaced a broken cord for my Dell Inpsiron 15 laptop. The replacement cord (a slightly different model from the factory cord) worked perfectly until a week ago, when I started ...
0
votes
0answers
24 views

Internet is slow on some websites: Can't login to StackExchange using Google account

I recently switched to windows 8.1 (64 bit) on my new laptop. While the internet for some websites is fast enough, but it slows down on some other websites and even doesn't open them, for example I ...
1
vote
1answer
40 views

Swapfiles on high-RAM and SSD systems

tl;dr 22GB RAM, SSD, pagefile, yes/no? Reduce mapped files reserved memory yes/no? how? I am running Windows 7 on my work desktop. It has 22GB of physical RAM. I am running it with an SSD. The ...
-3
votes
0answers
32 views

Server needs to be rebooted regularly, why? [closed]

I can not understand why server slowes down and finally freezes in time (in a week or two) and why it goes away with a reboot. Edit: In response to "need more information" comments, I can only ...
0
votes
0answers
15 views

Will SSD work better than HDD with Intel i3 m330 [duplicate]

I have Intel i3 M330 CPU and a HDD in my laptop (it's 5 years old). I was thinking about replacing the HDD drive with SSD Sandisk (read/write 500mb/s). Will I see a considerable improvement in the ...
0
votes
1answer
26 views

Why am i getting Very slow dd dsync test results in Linux.

I am investigating slow application issues with some New Hardware and am running into some odd results. I am trying to determine what is causing this behavior. I am using dd if=x.b1 of=x.b10 ...
0
votes
2answers
26 views

Add 2x4GB RAM to 2x2GB or replace? [closed]

I have a mid-2011 iMac which has 2x2GB memory. I am trying to decide which of the following would be the best option (also considering overall cost). There are 4 bays available. Should I choose to ...
0
votes
1answer
40 views

Slow development machine down?

My development machine is fairly zippy with a decent graphics card. The production machines to which our software is deployed have a much lower specification and no graphics card (uses Intel shared ...
0
votes
0answers
32 views

Native Windows Libraries Under Wine

As we know, Wine has the ability to run windows native Dlls instead of it's own library files. For example you can use the original d3dx9.dll instead of wine's own d3dx9.dll implementation. Does ...
2
votes
1answer
55 views

Why might a file transfer be going hideously slowly on Windows, but fast on Linux?

I realise this might be an impossible question to answer, but here goes: I have an embedded board that I've written a load of software for; this board can be sent a new firmware image (image here is ...
0
votes
3answers
59 views

NAS via HDD connected to PC or HDD connected to the router

Hardware I am working with Netgear Nighthawk AC1900 (R7000) (USB 3.0; running stock firmware, but can run Tomato if needed) Seagate FreeAgent GoFlex Desk 2 TB USB 3.0 External Hard Drive (MPN: ...
0
votes
1answer
29 views

Slow Word's startup as it tries to connect to something

Before, Microsoft Word on my PC startup very quickly and smoothly. I think it took less than 2 second to start. Recently the time to get to a ready screen suddenly increased a lot (~20s). I think it ...
1
vote
1answer
28 views

Why do my external USB hard drives become slower when I have filled them up only to a third?

The read/write speeds of my external USB3 hard drives (*) are significantly higher when the disks are empty (no normal files; less then 10MB used) compared to when they are moderately full (2.5 ...
0
votes
1answer
18 views

Win 7 64-bit slow during software raid 1 resyncing

I read about the slow resyncing here: http://serverfault.com/questions/107636/how-to-view-status-of-software-raid-1-resynching I have a different question: not only is my resyncing slow; but during ...
-1
votes
1answer
37 views

Why does my laptop suddenly starts to lag once I open my browser_

I got this laptop about 4 years ago, it's a VIT ( Venezuelan Government Computer Company ) Laptop. It has 2GB of RAM, an Intel Core2 Duo. It started with a Windows Vista, then changed it to WIndows ...
0
votes
3answers
55 views

How much does an SSD drive affect multi-tasking performance in an advanced laptop? [closed]

I am curious whether it would be beneficial for me to buy an SSD drive for my new laptop. It is a Lenovo ThinkPad E540-F 8 Gig Ram Core i7 (MQ) – 6 meg cache My typical usage is ...
0
votes
0answers
49 views

My brand new gaming computer runs at 30 fps? [closed]

My brand new gaming computer that I built is running 30 fps on gta V, all my drivers are up to date, nothing is wrong with my hardware. I'm running a 144hz gaming monitor, and honestly my old hp ...
0
votes
0answers
21 views

Slow-down of Web Applications due to Windows DPI Scaling?

I have increased DPI scaling from 100% to 125% to improve display readability. The result looks quite pleasant on my 24" screen (resolution 1920 x 1200). Now, a colleague warns me that certain web ...
0
votes
0answers
11 views

Data transfer in sql server 2008

I have following requirement In SQL server 2008,Trying to implement in stored procedure source table T with 100000 records need to be insert into destination table T1.A Job will be schedule for ...
0
votes
0answers
74 views

Windows 8.1 Slow startup for 16GB RAM

I have lenovo Y50 laptop with 16GB RAM and 1TB hdd, When I start system, or start from hybernet mode, It consumes 100% HDD usage for 5-7 minutes, after digging this issue, I got the root cause is ...
0
votes
1answer
51 views

With computer so fast today, why viewing PDF file is still slow? [closed]

On both OSX and PC, when reading PDF slides or e-book today I still experienced the lagging problem when quickly scrolling through pages. Both in-browser or in application like OSX's Preview, Windows' ...
2
votes
0answers
25 views

Why don't I get any performance gain when I use 16-bit color? [closed]

I tried to gain some fps in games, yet I don't see any performance gain when I use a 16-bit color display mode. What could be the cause? Is everything handled as 32 bit until they are sent to ...
0
votes
1answer
44 views

Is it safe to delete all svchost processes?

So on Windows 7 I ended the Network Restricted one to speed up my computer. It worked (thank god) but mt computer is still a bit slow. Is it safe to delete all the svchost processes?
1
vote
2answers
93 views

svchost process takes a huge amount of memory at times

At random times, the svchost process takes a lot of memory, and the PC becomes unusable. A screenshot is below. Is it a known issue? How can I found out what causes it, and how can it be fixed?
7
votes
2answers
797 views

Windows Hibernation increases startup/shutdown speed

A few weeks ago, I installed AVG PC TuneUp on my Windows 8 laptop. It recommended that I disable hibernation - this would increase performance. From that point, start-up and shut-down became ...
0
votes
0answers
54 views

Too slow archlinux

I have both ubuntu (latest - 15.04 with fresh updates) and archlinux (latest) but when I boot in arch I have a problem: everything is slow as a snail. On archlinux the flashplugin FREEZES the whole ...
1
vote
0answers
12 views

Analyzing Windows 7 intermittent freezes [duplicate]

For a few weeks now, my Windows 7 installation has been showing intermittent freezes. Typically, the currently focused application window will freeze for up to 7 seconds, but I can still switch to a ...
0
votes
0answers
19 views

Permanently disable prompt asking me to change to Windows 7 Basic

My PC is a mid- to high-end gaming rig. NVIDIA GeForce GTX 680 Intel i7 3.50GHz 16GB RAM All components in my Windows 7 performance index are rated 7.7 except for disk transfer rate which is 7.9 ...
1
vote
0answers
36 views

Acer Laptop Performance Loss Plugged in

A few days ago I acquired a Brand New Acer Aspire E 15 E5-571-74AP laptop, and found a frustrating problem. Whenever the laptop is unplugged, the performance on games and other programs is stunning. ...
0
votes
0answers
34 views

Getting best performance out of a virtual machine

Host Machine: Windows 8.1 Intel(R) Core(TM) i7-4700HQ CPU @ 2.40GHz 2.40 GHz RAM: 24GB System Type: 64 bit OS, x84 processor What I've been running as a virtual machine Windows 7 12GB Memory 2 ...
0
votes
1answer
20 views

Netbook slows to a halt quite gradually

Issue: Machine boots at normal speed, but slows down and grinds to a halt within about half an hour. Observations: First occurred this morning (about twelve hours ago) It hasn't had a physical ...
2
votes
1answer
47 views

tar performance writing to disk

When writing to disk (SATA) I've noticed tar seems to have a large performance hit. I'm trying to copy a, relatively, large .dmg file (556MB) from my client (OSX) across my local network as part of a ...
0
votes
1answer
41 views

Audio performance issues after resuming from sleep/hibernate in Windows 10 build 10162

I recently did a clean install of Windows 10 build 10162 from the official ISO provided to insiders, and I have discovered something with my audio performance that may or may not have been present ...
0
votes
2answers
23 views

OS vs “Code Base” on SSD vs HDD

I have a HDD and also a SSD in my Windows computer. Also I have a C++ code base that spend nearly one hour to compile. I'm keeping the code base in my HDD and installed the OS in SSD. But I have seen ...
0
votes
0answers
32 views

Excel performances: INDIRECT+ADDRESS VS CELL+OFFSET

Using Excel I can achieve the same result using two different approaches, here are the formulas: A) =INDIRECT(ADDRESS(5+MATCH($A$16,Aliquote!$A$5:$A$15,0),1,1,1,"Aliquote")) B) ...
0
votes
2answers
98 views

How to diagnose erratic system slowness?

My 3yo macbook pro has been having these hiccups recently. I'm trying to figure out a way to diagnose the problem. Brief specs: pre-retina MBP, SSD, running Win7. It's been working fine for years. ...
0
votes
0answers
17 views

Large TTFB on Vagrant

I have a ttfb of approximately 15-20 seconds on a VVV vagrant install. I am using virtual box on windows 7 in case that makes any difference. I have tried reprovisioning and also tried increasing the ...
0
votes
0answers
16 views

What is the difference between monitoring only one host and cloud?

With the cloud computingtechnology is used very extensively, I am very curious about what is is the difference between monitoring only one host and cloud. For example, I can use top or ps command in ...
0
votes
2answers
41 views

Procedure checklist for slow computer problems

For me one of the most hard to pinpoint the causes problem is to determine what is causing slow behavior. In many cases you can't find a process which is consuming more significant memory than the ...
0
votes
0answers
32 views

HTML5 web content really slow, somehow caused by ethernet driver

HTML5 content is really slow for me, browser independent. It seems that my ethernet driver crashed recently, causing HTML5 videos and other content to load slowly, get stuck etc. I updated the driver ...
-1
votes
1answer
40 views

Why do smartphones have up to eight cores but many laptops still only have two? [closed]

I have been looking at buying a new smartphone as well as a new laptop. What has struck me as odd is that many smartphones now have quad cores or even octa cores, yet many laptops still only use dual ...
2
votes
0answers
91 views

Intel RST driver - magic performance boost (only) up till version 11.2.0?

what's the magic behind the massive write speed performance boost by intel RST drivers up till and including version 11.2.0? i have done some performance measurements of my application that is ...
0
votes
1answer
45 views

Pycharm on Linux: Scrolling has become suddenly very sluggish

I've a Linux machine with 4gb of RAM and 2 VCPUs on VirtualBox running on a Windows 7 host (Core i7 with 16 gigs of RAM). The Linux VM is my workspace for a project. I run Mobaxterm on my Windows ...
2
votes
1answer
19 views

How to best manage the run of several processes?

My computer has 6 cores. I have to run 12 processes. Each process takes exactly 10 minutes. I want to consider (for the sake of the argument only) two scenarios: I run 2 processes successively on ...