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

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4
votes
1answer
4k views

High CPU usage by dwm.exe when nothing is happening

Setup: Windows 7 Ultimate, running in a VMware box inside Windows 8, VMware Tools installed; VMware Workstation is the only application launched in win8). Aero is on. Starting a few months ago, on ...
8
votes
6answers
31k 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
1answer
25 views

Bench-marking my SSD gives unreasonable number

I have a SAMSUNG 840 EVO SSD (120GB) installed on my laptop. According to the SAMSUNG website, it has 520 MB/s max read and 500 MB/s max write (sequential). I am trying to benchmark it using ...
-2
votes
0answers
20 views

Are there any good software performance benchmarks available? [on hold]

Background: I'm building a computer and trying to choose the components as carefully as possible. There are very many high quality benchmark websites that show a wide range of hardware performance, ...
6
votes
3answers
9k 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
33 views

What is my CPU speed?

I need the CPU speed of my KVM host. When I am using dmidecode, the result is the following : sudo dmidecode | egrep "Max Speed|Current Speed" Max Speed: 3100 MHz Current Speed: 3100 ...
9
votes
4answers
2k views

Can I “hibernate” a program?

Yes, I know that hibernate usually applies to a computer. (Hibernate her meaning saving program memory in disk and being able to restore it in a consistent manner.) However, hibernating a program ...
0
votes
1answer
20 views

Why is my mouse lagging over Thunderbird email or folder pane?

In Thunderbird 31.5.0 I noticed an annoying mouse delay/stutter when mousing over the email list or folder pane. At the same time I see a CPU spike of about 25% (older WinXP dual core system). Why ...
-1
votes
0answers
24 views

Nvidia CUDA performance over PCI-E x1 only

For my mobile computer vision project I want to use NVIDIA CUDA with the lowest power possible. I can go with a 300 GFLOPS GeForce GT 720 which has a TDP of 20W. I want to use it in an embedded ...
0
votes
0answers
17 views

Does minimizing programs in Windows affect their performance? [duplicate]

I feel like when i minimize some programs like download manager, torrent client or other programs that are in progress, their performance decreases in comparison to programs that are shown on monitor. ...
0
votes
0answers
68 views

How much extra workload would I assign the GPU if I choose to duplicate the screen instead of a single monitor?

As per my very little knowledge about computer graphics, I think the effect would be minimal. The reason is, given that the two screens has the same resolution, the pixel calculations are done exactly ...
-1
votes
0answers
14 views

My computer is slow now after pulling out my video card to look at what the graphics card is

So I was checking out my graphics card I pulled it out to check the name since it was on the bottom side of the card then I placed it back in correctly and now my games that I use to play are having ...
0
votes
0answers
18 views

have over 8GB free disk and “disk full” message appears

my macbook pro System Version: 10.9.5 Processor: 2.9 GHz Intel Core i7 Hard Disk: 250 GB Memory: 8 GB Number of Processors: 1 Total Number of Cores: 2 L2 Cache (per Core): 256 KB L3 Cache: ...
3
votes
2answers
2k 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
39 views

RAM and CPU relationship [on hold]

What is the relationship between the amount of RAM added to a system and the CPU power? Can there be a situation where there is too much RAM which overloads the CPU. How does it all work? For ...
13
votes
2answers
6k views

RamMap “Empty standby list” drastically speeds up PC. Is there a better way to do this?

Many people are educated on how Windows Memory manager caching work by reading Microsoft white papers, etc. However, there are relatively few documents that describe real-world performance issues ...
1
vote
2answers
4k views

Computer goes super-sluggish but Task Manager shows no CPU usage

At times, for instance after running a resource-intensive program, my normally quite stable Windows7 PC becomes virtually unresponsive for as long as a couple of minutes. Even changing directory in ...
0
votes
0answers
23 views

Intel turbo boost falls back to default 2.4GHz just when it's needed most. How can this be resolved?

Intel Turbo Boost has my laptop running at 3300 MHz most of the time. My power settings are maxed out, so it stays there most of the time while I'm browsing the Internet and stuff, but once I run a ...
0
votes
0answers
20 views

Check website speed using Firebug

I was using the “Net” panel of Firebug to check my website speed. I have a timer on the server script and it only takes around 0.02 seconds, but dang is it slow to render the page (6 seconds). Then I ...
0
votes
3answers
314 views

Will overclocking my chipset increase the performance of integrated graphics?

My AMD Radeon HD 5830 recently broke (overheated because the fan stopped working), and I am currently attempting to run games on integrated graphics, on my chipset. Many games are responding slowly, ...
0
votes
1answer
17 views

How to fix clock multiplier, it is 8x with 100 MHz Bus speed?

May laptop (HP G7) which is a low end laptop but can can overloaded even multiple tabs. I have seen it loading very slow if I search images on google search. I recently installed CPU-Z and found that ...
2
votes
4answers
3k views

Does installing a bunch of unnecessary fonts slow computers down?

Several sites and blogs advise users to remove the excess fonts from their OS. Does this help in performance or is this just a myth? If it is true, why is that so?
4
votes
3answers
3k views

Why does my general frame rate slow down to 40fps randomly?

This has been bugging me for a while. Every once in a while, I find my computer to be sort of laggy and I thought it was because it was busy or something. However, I recently noticed that it wasn't ...
0
votes
1answer
30 views

Memory not performing as expected

This is probably a noob question but I really don't know why this is happening I bought the below parts recently ASRock 970 Pro3 R2.0 Motherboard HyperX Savage 8GB (1 x 8GB) Memory Module 2133MHz ...
9
votes
3answers
6k views

VMware Fusion performance degrading after few hours

I've been having an issue with VMware Fusion for some time now, where the VM (running Windows) runs fine initially, but will slow down to a grind after some time (best guess is a couple of hours). ...
0
votes
1answer
29 views

Performance comparison for older server [closed]

Given the falling price of older decommissioned server hardware, I am considering purchasing one to use for my research at home. I will be running Linux, PostgreSQL, Neo4j and R-Server on it. I ...
-1
votes
2answers
23 views

What is CPU bottlenecks and how does it affect me?

First some facts: I have an MSI GT70 gaming laptop equipped with a GeForce GTX 780M 4GB graphics card. I am considering upgrading to an MSI GT72 equipped with a GTX 980M 8GB graphics card. I play all ...
5
votes
3answers
2k views

Is it worth to buy an external USB SSD drive for my laptop to increase performance?

I'm a programmer, and I use Eclipse for Java development. Recently I've installed an internal (SATA) SSD drive on my home machine, transferred Eclipse installation and project to it and noticed a ...
0
votes
0answers
62 views

Sometimes slow/choppy performance, driver related I believe (Newly formatted machine)

EDIT: Since we have identified that at least my HDD is failing, I've went ahead and used this as an excuse to finally get an SSD. It will arrive tomorrow morning and I will format back to my current ...
0
votes
2answers
75 views

Is disk read/write speed affected by processor architecture? [closed]

I am not sure what effect if any a 32 bit vs 64 bit architecture processor has on disk read/write speed. I believe that a 64 bit processor can address more main memory than 32 bit processor without ...
1
vote
0answers
35 views

How to defragment or minimize a “directory file” on ext4?

I have quite an old home directory on HDD. There were lots of files created and removed and now the size of /home/username is 995328 bytes. Please note, I mean the size of the "directory file" (every ...
11
votes
6answers
8k views

Extremely slow internet speed after reinstall

I have recently had a hard drive failure so I was forced to reinstall my OS (Windows 7). After a fresh install, I noticed the internet speed became extremely slow (~15 minutes for downloading a 20MB ...
0
votes
0answers
15 views

Subversion gets stuck when performing a network based operation after not communicating with the server

Our company uses Subversion, and ever since we upgraded to version 1.8 we encounter performance problems in network-based operations such as checkout, update, diff and log. The problem occurs ...
-1
votes
1answer
38 views

What happens if I upgrade 2X2 GB RAM in my laptop to 2X4 GB?

My Laptop has following specs :- 2X2 GB RAM (2.99 GB usable) Intel core i5 @2.4 GHz quad core processor (2nd generation...maybe ) 1 GB Graphics card (utilizing memory from RAM) EDIT : 1) Also ...
2
votes
0answers
27 views

Is it better to have 2x2GB Dual-Channel vs 4GB Single-channel RAM, performance-wise? [duplicate]

I know this has been discussed many times before but so far I’ve only found speculations and some blurry “experiences“ on this… Many just mix single and dual channel memory, or don't care about ...
-6
votes
1answer
69 views

Does SSD improve overclocking?

Hi i just had a query in my mind- Do i really need to add SSD to OC ...I mean does it make any difference on the perfomance of the processor ? I would like to overclock my i7 and i have already spend ...
0
votes
1answer
29 views

Distorted audio, lagging mouse, slow speed, no internet

So when I turn on my computer now the windows booting sound is all distorted almost like it's stretched or crackling, when I log in the mouse lags, and everything seems to load a bit longer. It can ...
1
vote
3answers
880 views

Why is the Core i5 5300u rated better than the i7 5600u?

I just purchased a new x1 Carbon with all the bells and whistles. I got a Core i7-5600u which I really thought would be the better chipset to get. But now I'm looking at some benchmarks and the ...
1
vote
2answers
61 views

Disable OSX 10.10 dashboard

I noticed that my dashboard was using 25% of my cpu on osx 10.10 after I upgraded... now I want to disable the thing altogether because I never use it and it is doing two things that I do not like, ...
-1
votes
0answers
32 views

Poor MSSQL server performance on virtual machine after system upgrade

I'm managing middle sized company database. Recently we have massive system upgrade and switched to virtual machine environment. After deployment, we are having performance issues, Apparently MS SQL ...
2
votes
1answer
4k 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 ...
0
votes
1answer
14 views

Debian server is very slow in spite of low CPU, RAM na SWP usage

From 3 days I experience problems with my debian server. When I stream media with samba transfer is about 20kb/s when it used to about 6 mb/s. Its my home server so its not internet issue. When I ssh ...
0
votes
0answers
38 views

How to fix slow Windows 7 on almost-full hard drive partition?

I'm using Windows 7 64-bit and Ubuntu 12 as multi-boot on an HP Pavilion DV4 2101tu. My hard disk partitions are almost filled. (It shows with red color in Windows.) Sometimes the whole system is ...
0
votes
1answer
42 views

serious disk performance problems, please help,

I have a Dell inspiron 7720 processor intelr core tm i7 3630qm 8 gm ram the problem is that me disk is always between 49% - 50%, then I noticed my disk had some "partitions" named as disk 0c: and ...
4
votes
5answers
1k views

Optimized versions of Firefox: are they worth it?

I've seen that some people have compiled themselves so-called "optimized" versions of Firefox, from the official source code. One example of such an optimized build is the "Blazing Fast", from Binary ...
2
votes
3answers
2k views

How does the performance of nano/pico wireless adapters vs. regular-sized USB/PCI-E adapters compare?

Wireless N adapters come in all shapes and sizes: some have 2 antennas; some have only 1, and some have no external antenna at all. I assume that those with at least one external antenna have better ...
10
votes
4answers
20k views

Does overheating cause a computer to slow down?

It's a pet peeve of mine that people leave the tower of their desktop computers in the small enclosed cabinet part of computer desks. I've heard that heat issues can cause problems with PCs, but is ...
0
votes
1answer
2k 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
0answers
39 views

Process Hacker - What's the difference between Disk and I/O?

As a sysadmin often having to deal with Windows systems with issues- be it servers with performance issues, or desktops with malware- I often spend a lot of time staring at he two different graphs in ...
0
votes
0answers
28 views

How do I make HDParm or equivalent settings persist in Windows?

I have a laptop with a harddrive that spins down so aggressively (after ~10s of inactivity) that it causes performance problems in games and various other apps that have frequent but spread out drive ...