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

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0
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1answer
12 views

SSD Setup OS/Programs/Documents

I am trying to configure a new computer using SSD's. Am leaning toward the following configuration: 1) SSD of about 120GB solely for OS 2) SSD of about 120GB solely for programs I would use (MS ...
28
votes
8answers
23k views

Top causes of slow ssh logins

I'd love for one of you smart and helpful folks to post a list of common causes of delays during an ssh login. Specifically, there are 2 spots where I see a range from instantaneous to multi-second ...
14
votes
2answers
5k views

SSH is slow to make a connection [duplicate]

I just installed Ubuntu 11.10, and whenever I try to SSH into my servers it's very slow. Before it displays the password prompt, it can take between 40 seconds and 60 seconds. I use: ssh ...
0
votes
0answers
64 views

poor write performance with RAID 5 array

I have an Intel RS2WC080 RAID controller card connected to an array of 8 WD Black 4TB SATA3 drives, in a RAID5 configuration. While the read speed is ~750MB/s the write speed hovers around 45MB/s. I ...
0
votes
1answer
23 views

“Disk” always at maximum usage

I recently opened up my laptop to fix a faulty power connector. Since then I have noticed my disk usage (not sure what it actually corresponds to) has been very high, as in the screenshot below: (Note ...
1
vote
3answers
673 views

Photoshop brush constantly lagging despite good computer performance

For now I've been using Paint Tool SAI for drawing, but I bought Adobe Photoshop CS6 lately and I noticed intolerable lagging while drawing with standard brushes. Delay is even bigger when I choose ...
0
votes
1answer
2k views

Windows 8.1 file explorer is Super slow

I have a newish ( a couple of months old) laptop. i7 4700mq gtx765 8gb ram I'm using an ssd boot dirve and a HDD for storage. The computer has absolutely no problems running programs but it is very ...
0
votes
0answers
18 views

Low Memory Performance

I am currently benchmarking some of my code to see where the bottleneck is. My memory is DDR3 1066MHz DualChannel Mode This should result in 17GB/s peak memory performance. With my code I am ...
1
vote
0answers
21 views

Slow Windows Application Startup

I have Windows 8 Pro/i5 3320M laptop with 8GB memory. Java based applications such as Eclipse, Phpstorm takes about 15-30 mins to load. (i assume issue is with java apps, others work fine). I tried ...
18
votes
2answers
7k views

How can I identify the culprit of my slow Windows shutdown?

My computer is taking a very long time to shutdown. How can I identify the culprit? I don't want to wait minutes for my computer to shutdown... Is there a program I can use to track how long it ...
0
votes
0answers
28 views

ext4 vs btrfs performance on SSD array

I am observing something that I cannot explain. I am trying to come up with a good filesystem configuration using HP P420i controller and SSDs. Out of curiosity I have tried BTRFS (still unstable so I ...
0
votes
1answer
504 views

Parallels Shared Folder + IIS 8 = really slow page loads

I've recently switched over to using a MAC as my main computer, but I am a .NET developer so require the ability to use Visual Studio and IIS so have setup a VM for this. I've got everything working ...
1
vote
5answers
467 views

What is the maximum amount of files to put in 1 folder for performance?

I have read in the past that is it good practice/performance to limit the amount of files you put in each folder, in this case it is user uploaded photos, My site has around 1,000,000 user photos ...
2
votes
1answer
3k views

Google chrome high hard disk usage

I'm on Windows 7 from boot to VHD. I got a lot of RAM and my pagefile is disabled. This OS can be up for days, even up to 3-4 weeks of working time without restart. I put it to sleep\suspend quite ...
0
votes
3answers
7k views

What can I do to make my VPN connection faster?

I am using hideman as my VPN, however I found that my internet browsing speed was significantly degraded when I was using VPN. I used speedtest.net without VPN and I got 5Mbps, and when connected to ...
0
votes
1answer
13 views

Asus N56VB-S4016H disk response time

We recently bought 3 Asus N56VB-S4016H laptops, and although the specs are great for the price it costs, we are experiencing similar issues on all 3 of the devices. After startup, a cold boot or from ...
0
votes
2answers
32 views

Does writing to SSD influence SSD Read spead?

I use my SSD to read and write at the same time, and I found that writing influences read performance quite a lot. Example: Without write, my read may be X MB/s, but with write, my read became 0.5X ...
-1
votes
2answers
44 views

How much faster is SSD compared to regular hard drive?

http://www.seagate.com/internal-hard-drives/solid-state-hybrid/desktop-solid-state-hybrid-drive/ Some says that using hybrid drive is 4 times faster. Some says it depend on data read. SSD is only ...
4
votes
5answers
540 views

New laptop running extremely slow?

I've purchased an Alienware m14x laptop but I am experiencing performance issues - It's slow. Quite slow actually. My other laptop that has a Celeron CPU is going faster than this and that computer is ...
0
votes
0answers
24 views

why is my sort slower with more ram?

System specs below. I recently purchased 2X4 RAM: Corsair XMS3 8 GB (2 x 4GB) 1333 MHz PC3-10666 240-Pin DDR3 Memory Kit CMX8GX3M2A1333C9 I already had 2X2 in there for a total of 12GB: Corsair ...
0
votes
0answers
9 views

Why does top and Google Compute Engine give me two totally seperate cpu % values?

So to preface this, I haven't done much in Linux since a decade ago when I was in college, so I may just be doing something stupid. However, for this project I am working on I'm performing a load ...
6
votes
2answers
3k views

How do I determine the optimal maximum simultaneous transfers in Filezilla?

How do I determine the optimal maximum simultaneous transfers in Filezilla?
-3
votes
1answer
325 views

Can my system manage 8GB of RAM?

Here is my system configuration: Motherboard: Asrock G31M-VS Processor: Dual Core 2.5GHZ RAM: 1GB DDR2 667MHZ Now I am trying to upgrade my memory. I checked crucial.com and found that my ...
0
votes
0answers
25 views

What is fastest way to backup a disk image over LAN?

Sometimes I boot sysrescd or a similar live linux on a PC to backup the hardrive over local network to my server. I noticed many times, that the transfer speed is not optimal (slower than HDD and ...
0
votes
0answers
9 views

Rail's FileStore with Linux Disk Caching or RAMdisk?

I have a Ruby on Rails application that stores it's catched files on the filesystem (Rails file-system cache). I was thinking about changing to memcached Store, but a short test shows it isn't a big ...
12
votes
6answers
18k views

Setting process priority everytime it is launched?

My work computer experiences a lot of slowdown, so I want to do what I can to make sure the stuff I need to be response actually is responsive. For example, I run Pidgin, which loads everytime I ...
-1
votes
1answer
22 views

Installation Optimisation With Limited SSD Space

Tomorrow, I need to rebuild a windows 7 machine due to various issues. It currently has a 500GB HDD as the primary drive, with a 120GB SSD. As a developer, I need to keep as much space free as I can ...
-2
votes
2answers
49 views

Why does a c++ code run significantly longer on one computer than another? [closed]

The code is exactly the same -- I copied it from one computer to another. The code is compiled with g++-4 (4.9.1) obtained from fink on OSX on both machines, and is not run in parallel. Compiler ...
0
votes
0answers
31 views

Automatic Maintenance Significantly Slows Down Computer

Problem I've found on several occasions that I've gone to use my computer only to find that it's practically unusable; just about everything runs extremely slowly. Symptoms The action center flag ...
4
votes
2answers
17k views

TiWorker.exe - Very High CPU Usage

I have a laptop running Windows 8. Although it originally ran well, it started having very bad performance issues. I decided to perform some research into the topic. Opening up Task Manager, I ...
0
votes
0answers
17 views

Will IIS8.5 do a better job for WebDAV data sharing than Apache in terms of performance and file locking?

Right now I am using Synology's built-in WebDAV function, which I think is based on Apache server. The issue i am having are basically slow transferring speed and missing file locking ability. The ...
0
votes
1answer
33 views

Need help diagnosing my machine

I have something that just slows my computer to a crawl sometimes. Not running anything big. Yesterday all I had running (besides background apps) were Firefox & Windows Explorer and could barely ...
1
vote
0answers
818 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 ...
-2
votes
0answers
17 views

What do you upgrade to make games load faster? [closed]

Let's say you have a relatively modern game like Shogun 2. The loading screens take several minutes. This bothers you and you'd like to improve it. What is actually going on when loading screens are ...
0
votes
1answer
41 views

How can I identify what is slowing down my mac when nothing is eating up CPU?

Sometimes I'll have characters appearing slowly on screen, an unwelcome beach ball or pages like google images will freeze while scrolling. When this happens often all seems calm in activity monitor, ...
0
votes
3answers
70 views

Lenovo Y50 laptop does not perform well when Discharging [on hold]

I just bought this laptop (Lenovo Ideapad Y50). I'm playing games such as Battlefield 4 (upto date DLC) and WatchDogs. Even though I set battery manger to High Performance mode game doesnt works well ...
0
votes
1answer
14 views

Laptop hot, CPU intensice

Laptop has been at around 70 degrees C for a while while idle compared to regular of around 50 (60 under load). Load average is 3 compared to past of 1.2 to 1.5. cat /proc/cpuinfo |grep MHz returns ...
0
votes
0answers
26 views

Excel consuming absurd amount of memmory

I have a excel file consuming a huge amount of memmory, something ~500mb. The file contains only one sheet, no images or scripts and its size is only 719kb. I have checked all suggested solutions ...
0
votes
2answers
36 views

Computer took much longer than normal to boot, and now windows open and close slow

I've got a Sager laptop, a GeForce GTX 680M, an i7, 32GB of RAM, and I'm running Windows 7. My computer recently began to make that sound Windows makes when you plug in or unplug something (The da duh ...
3
votes
1answer
73 views

Adobe photoshop “not enough ram” message opening a 60 MB TIFF file

I am working with Windows 7 x64 on a full HD monitor, Intel i5-2500K and 8 GB RAM, currently available 5,5GB. I tried to extend photoshop's memory usage and scratch disk settings as following: But ...
23
votes
2answers
43k views

How to diagnose slow booting or logon in Windows 7?

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 ...
1
vote
0answers
20 views

Some applications slow on network (win 8.1), where to start?

I recently got a new computer with windows 8.1. I identified at least two applications are very slow when the are using the network. This is the MS dynamics AX client (very slow all the time) and ...
0
votes
0answers
26 views

GIMP slows down my Ubuntu 14.04 over time

I have some problems with my GIMP recently. When I start GIMP it runs perfectly fine, but over time, say about 15 minutes, it's starting to slow down my Ubuntu (14.04). After checking my system ...
3
votes
1answer
115 views

Transcender very slow

I installed Transcender to practice for a Microsoft certification. I also installed the exam question files. It is all very-very slow after a short while. Is there any way to help on this? Further ...
-1
votes
1answer
19 views

How do I optimize eSATA performance in Linux?

I experience very slow eSATA performance. Around 5 mb/s on a disk that easily handles 150-200 mb/s. Do I need to enable some setting or module in order to speed it up? The disk is a 4 TB disk and the ...
0
votes
0answers
24 views

Xcode keeps showing the beachball when I select something

When I select something in the xcode editor and then try to select some other text, the spinning beachball comes up and i have to wait for a couple of seconds before i can continue working. I have the ...
0
votes
1answer
24 views

How to identify hardware performance bottleneck in laptop?

Is there any tool that helps to determine the weakest link of my current laptop hardware specification? Any online guide to help me choose nice balanced configuration for the new laptop? I need to ...
1
vote
0answers
6 views

How do I ask for clarification on an existing answer if I am very new? [migrated]

Request Please do not close the question before you read it in full My PC became very slow while booting and I wanted to know why? I google and find this interesting answer How to diagnose slow ...
0
votes
0answers
25 views

Windows 8 notebook, 100% disk activity

I don't know what is happening, i have spikes in which the disk activiy goes up to 100% for 10 secs, once every minute or so. During those events I cannot see any process writing or reading from disk ...
1
vote
3answers
117 views

Network speeds degrade with time

I bought an Asrock AM1B-ITX motherboard. It is working great, except for the wired download speed. When the machine boots up, it is close to the maximum the ISP provides me, but within a few hours it ...