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

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2
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2answers
2k views

Test disk write speed on existing partition

I want to benchmark write speeds on a disk in an existing server setup. I suspect there is a problem with the write perf of the controller. Benchmarks I have tried (SiSoft Sandra, HDTune) report that ...
1
vote
1answer
2k views

Internet is extremely slow after using VPN (and exiting/restarting)

I'm a student at Penn State, and for my engineering class I use a program called SolidWorks. Penn state provides me with a fully licensed edition of this program, but for it to acquire a license I ...
2
votes
2answers
66 views

What does high ambient CPU mean?

I have run userbenchmark test, the results are here: http://www.userbenchmark.com/UserRun/357122 According to them, the PC has high ambient CPU. !!!Very high ambient CPU load. These results have ...
0
votes
0answers
14 views

Microsoft, Revit and Photoshop are slow on my HP ENVY 15 TouchSmart. Any suggestions to improve?

I am trying to use Microstation, Revit and Photoshop in my laptop but even though I would expect I to go super smooth I need to spend time waiting for it to respond. My laptop is an HP ENVY 15 ...
-1
votes
0answers
14 views

Weird processes prevent me from clicking Apple logo when I go to shut down MacBook Pro

I just got a brand new MacBook Pro and am very conscientious about keeping it clean and running fast unlike my last MacBook Pro. After about a month I started noticing that when I go to shut down ...
0
votes
1answer
36 views

Windows 10 is unresponsive for a while after booting from sleep

I've found I have similar problem to the one posted yesterday: Windows 10 wake up from sleep is very slow I've done a boot trace (like it was suggested by user magicandre1981). ...
0
votes
0answers
19 views

Router internet suddenly failed

My router is a Netgear Nighthawk R7000. Going to routerlogin.com has been slower and slower recently, going from instant loading of settings to taking 10-15 seconds on every page, failing to load the ...
2
votes
1answer
21 views

Outlook 2010 OST Size limit

There are a few questions on here that come close to answering the questions but never really a definitive answer. Is there a limit to Mailbox size, email count, and folder count in Outlook 2010 x64 ...
4
votes
2answers
12k views

Windows 10 high memory usage (unknown reason)

Well few days ago I updated my pc to windows 10. However, after some use my PC started to slow down until its was impossible to use, it was due to high memory usage. After restart, everything came ...
2
votes
1answer
18 views

Intel i5 4690k randomly started maxing out at 100% usage when I open games?

So first, I should point out that I had a similar experience a few months ago (at least I assume it was the same as the symptoms were the same), and I ended up resorting to reinstalling Windows 8.1 ...
3
votes
2answers
50k views

How can I keep my laptop fan on the entire time?

I have a fan on my laptop that doesn't turn on often enough. The computer doesn't crash, but becomes very laggy. When the fan turns on the computer starts running fast again. How can I keep the ...
0
votes
0answers
26 views

slow program response: mainly notepad++

On my Dell Notebook, I recently upgraded my RAM from 8GB to 16GB, and the secondary mSata SSD from 32GB to 512GB. First HD is magnetic. On the SSD, I got Intel Rapid Start and Intel Rapid Storage ...
0
votes
0answers
8 views

Accessing local pages results in “waiting for localhost” for a few seconds each loadtime with MAMP

I've researched already but never found the solution, only that it might have to do with the name resolution in osx bonjour. Problem is i am running MAMP 3.4 in the normal version for local web ...
6
votes
2answers
1k views

Recent RAM Issue with Windows 7 - Memory Slowly Fills Up

Before I say anything at all, I want you all to know where I've been with this issue: I have run multiple AV scans, including: Malwarebytes, Sophos Virus Removal, ADWCleaner, ESET Smart Security 4 ...
7
votes
3answers
11k views

Increase Outlook 2013 performance?

I feel that Outlook 2013 (compared to Thunderbird) is quite slow at e.g. changing between mail view and calendar view - is there any way to disable e.g. the animation of the transition between mail ...
0
votes
1answer
35 views

Why does certain files and collection of files take so long to copy?

I was copying the windows "users" folder for a friend of mine and I noticed that the 6.5GB file took unusually long to copy. The transfer rate never exceeded 5Mb/s. Also, I noticed there was an ...
1
vote
0answers
11 views

How to increase performance of Adobe Creative Suite 6 via hardware upgrade?

A friend (who doesn't have a SO/SU account) has had a licence of Adobe CS6 for some time. Mostly uses Photoshop and InDesign. He doesn't want to upgrade to Creative Cloud for the reasons such as ...
9
votes
2answers
13k views

What happens if I use RAM of a faster speed than the CPU supports?

Looking at the Intel E3-1230v2 CPU, under Memory types it says "DDR3-1333/1600". My question is, in what way does the CPU limit the RAM speed? What would happen if I put in a DDR3-2133 RAM chip ...
0
votes
4answers
2k 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 ...
6
votes
3answers
29k views

Is 60 to 100 hard faults per second normal?

When I monitor my computer's memory usage in Resource Manager, I see that I constantly get between 60 and 100 hard faults. Is this normal? Or is that hard fault graph ideally supposed to be flat at ...
1
vote
0answers
32 views

Strange colored flashing boxes appearing at the top left in games

A few days ago I configured/tuned my graphics settings (HD 5970, a Dual-GPU Card) because I noticed that all games my second GPU was idling (noticed it thanks to GPU-Z/MSI Afterburner). At some point ...
0
votes
0answers
25 views

Exteremly Slow Microsoft Excel operation in LENOVO G550 series Laptop; Shall I add more RAM?

I am doing complex Macro operations in Excel 2007/2013 which generates random numbers and does many multiplications/divisions in each cell value. It also copies data to multiple worksheets and text ...
1
vote
4answers
4k 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, ...
1
vote
0answers
94 views

Excel 2013 opens files slow in Windows 10 (when not in Safe Mode)

This is a problem that has come up on Google and superuser in the past, although the solutions I have found haven't worked for me. If I run Excel 2013, it opens instantly. If I am in Excel and open a ...
0
votes
2answers
47 views

iperf giving incorrect results

I've just had new broadband installed, and wanted to test its throughput using iperf3. However it appears to be giving considerably different results than more conventional speed tests. E:\tmp> ...
3
votes
1answer
5k views

BootCKCL.etl file size & Session “Circular Kernel Context Logger” stopped due to the following error: 0xC0000188

I have a few regular / re-occurring errors in my event viewer which seem to be linked to logging upon boot and shutdown. I am running Windows 8 x64 professional. Event ID 4: The maximum file ...
3
votes
1answer
149 views

Fast gmail client program [closed]

This is a seemingly simple problem. I want to access my gmail mail account using some other client than googles web interface. Sounds easy right? Gmail supports IMAP so any email client should work. ...
0
votes
1answer
46 views

Desktop computer slow to Switch User

My HP desktop computer running Windows 7 is slow to Switch User. The problem has been getting worse recently. Here's a typical scenario: I activate the mouse and what appears on the screen is the ...
0
votes
0answers
51 views

Disk size varies - MooseFs

I have 4 moosefs chunkservers with 8 2.7 TB storage on each, I mount them using mfsmount and then export with nfs. Recently I noticed high iowait on my chunkservers, then huge mount size drops, see ...
1
vote
1answer
27 views

Compare efficiency of excel formulas

Is there any way to directly compare for calculation efficiency side by side two different formulas for achieving the same goal in excel? Say I want to know which is more processor intensive (or if ...
2
votes
0answers
30 views

Can CPU performance be permanently be degraded by running at high temperatures?

My question is specifically if a processor can perform worse after extended periods of being too hot. I've had my laptop for four years and my cpu would regularly get to 85C+ watching videos or using ...
0
votes
0answers
9 views

Windows explorer slows down during startup, how to trouble shoot? [duplicate]

Lenovo laptop running Windows 7 Home Premium. My windows explorer runs VERY slowly. e.g. a RMB on anything in the right hand pane or on the desktop takes 10 seconds, even selecting objects (files or ...
0
votes
0answers
7 views

performance test wireless network using loadrunner

We have a requirement to test a wireless network that will be deployed to 1000s of people. I am looking for a way to test it with loadrunner. Can you suggest a good approach to test the wireless ...
-1
votes
1answer
26 views

Trying to maximize USB3.0 speeds

New to Superuser but have really liked everything I found so far. I know there have been a lot of questions answered regarding USB3.0 speeds and I feel like I get the gist of most of it. I am ...
1
vote
1answer
18 views

Unstable internet speed macbook

In our network 4 computers and AP: MacBook Pro Notebook Dell 2 PC wifi access point Zyxel Keenetic 4G. PC connect to Zyxel with cable, notebooks - with wifi. Sometimes users of MacBook and ...
0
votes
1answer
9 views

How to produce multiple result files in JMeter?

I'm trying to run JMeter in non-GUI mode but I want to generate two result files: one in CSV format and another in JTL (but using XML). Right now I have: jmeter -n -t C:\testPlan.jmx -l ...
0
votes
0answers
13 views

Entire network sluggish after virus

I am almost positive that I got a virus from en.savefrom.net, although both Windows Defender and Avast found nothing. The Internet has become sluggish for all devices on the network, including PCs, ...
2
votes
2answers
188 views

How can I locally cache pictures from a web-page so it loads faster?

I am, on a nearly daily basis, accessing my companies staff directory that is hosted on our wiki. The "problem" (and I use the term loosely) is that when I load the page everybody has a picture ...
0
votes
6answers
6k 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 ...
0
votes
2answers
63 views

How much RAM can I add to my laptop? and how many slots?

I have a Samsung Series 5 530U3C-A01 model. My system says I currently have 4GB RAM. I want to add more to make it faster, but can't figure out: What's the max RAM it can run, and max speed How many ...
8
votes
5answers
12k views

Why does Firefox cause high-CPU-usage “spikes” every few seconds?

When I start Firefox, I have no problems for a while, but after a couple of days, CPU spikes start to occur. During a spike, Firefox freezes and then stops. Spikes occur every seven to ten seconds, ...
0
votes
0answers
207 views

Often mouse stutter on windows 10

I have a really annoying issue where windows 10 freezes/stutters almost every second for a small period of time. It's best noticeable when I move my mouse around in circles. As the mouse moves, every ...
0
votes
0answers
24 views

How can I create a RAM disk and install Firefox into it?

I've a Fedora 22 64-bits system running under a notebook with Intel Core i3 processor and 7.7GB of RAM. I only use about 2~3GB of RAM (with everything I need) and I want to speed up my system, so I've ...
44
votes
11answers
39k 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 ...
1
vote
1answer
43 views

Huge performance differences between i5 i7 SSD/non SSD…which makes more of a difference?

I have 2 pcs both running Windows 8.1 and each with 8b of ram. The differences are one has a solid state drive the other one is 7200rpm and also an i7 vs i5 Running the same application one query ...
0
votes
0answers
30 views

Is there a pentium equivalent of any i-series processor?

I have a confusion with speed of processors and I want to know what makes say, i3 faster than pentium processor which pentium doesn't have? If we add more GHz to pentium will it be same as i3 in some ...
2
votes
1answer
58 views

Consistent 100% disk access

I am a developer and on my work laptop it is entirely normal for my disk activity as shown by Task Manager to be 100%. With an average response between 7k-10k ms. This is under relatively simple ...
17
votes
8answers
41k views

Why is VNC on Windows so slow?

In a test, I could stream a full HD movie across our network from my friend's computer, no problem. It's as fast as I could want. But VNC is painfully slow. We've tried Real VNC and Tight VNC, I've ...
3
votes
1answer
52 views

Lenovo X1 Carbon suddenly slows when AC is attached

Today I notice that my one year old laptop Lenovo X1 Carbon (Windows 8.1) is 2,5 times slower on everything, only when AC is attached. As soon as I detach the AC to go on battery, performance ...
13
votes
5answers
19k views

How to increase performance of Remote Desktop

How can I increase performance of Remote Desktop on windows XP sp3? A better network connection is not an option, this is for at work. I have suggested a network upgrade to my boss and it is not in ...