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

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2answers
111 views

Why is my processor performing worse than it should be?

I have a desktop that I use for gaming. The specs are at the bottom. I bought my computer originally, but since then I've upgraded it a lot. Other than the case, hard drive, and some wiring. As I ...
1
vote
1answer
13 views

Live A/B website performance testing

Is there a way in Chrome web dev tools, to alter the site (CSS for example) and measure / compare the loading performance before and after the edits ? If I change the CSS, as soon as I reload the ...
0
votes
1answer
138 views

Very slow execution of Excel 2016 VBA codes

I'm having a case of slow vba code execution. I find it hard to believe because I have a quad-core Core i7 processor operating at 2.6 GHz. In my workbook, I have an input form on a separate sheet to ...
0
votes
1answer
17 views

Which Operations are Considered in the FLOPS Measure?

FLOPS (floating point operations per second) is a standard measure of performance of computing. But, which floating point operations are considered? Addition? Multplication? Division? Doesn't each ...
1
vote
1answer
44 views

A dual and single channel memory [closed]

My question is in regards to potential laptop performance. Please forgive my ignorance in advance for most of this is quite new to me. I am wanting to upgrade the DDR3 ram in my laptop and also have ...
1
vote
0answers
158 views

Abnormally slow CPU speed in Windows 10 Task Manager, with virtualization disabled

In Windows 10 Pro Task Manager, CPU speed shows a constant and unchanging value of 1.18GHz, while nominal CPU speed is 2.50 GHz. Dual Intel Xeon E5-2680 v3, on a Intel S2600CW2S server board. Per ...
0
votes
0answers
19 views

Laptop graphics card performance issue after unplugging charger

I've a Dell laptop with a Geforce GT 650M graphics card. It's suffered from the same issue from new, though it took me ages to figure out the trigger (and I still don't have a 100% repro). After a ...
1
vote
2answers
36 views

Is the performance of a RAM drive inside a VM comparable to native hardware?

If I define a ram drive inside a VM will it behave the same as a ram drive on bare metal (with in reason). I am looking to setup a VM on my KVM node that will run a few games. Yes, one of them is ...
-1
votes
1answer
201 views

Disk usage is always at 100%

I have noticed that recently my computer has been slowing down. For example opening a folder would take around 20 seconds to load, moving a folder (from the same drive) would take a minute or so. When ...
1
vote
1answer
30 views

Laptop monitor uses a lot of bandwidth compared to external monitor

My external monitor is using a lot less bandwidth compared to my laptop monitor. This happens only when I use "remote desktop connection". When I keep scrolling down a text file at the same speed, ...
0
votes
0answers
14 views

django - iframe loading faster on Nexus5

Simple django code where on click loads 8mb file in the iframe. Here is a link to the hosted code : http://52.35.60.58:8000/polls/ This loading takes ~20 sec on other browsers. But on Nexus5 it ...
0
votes
0answers
40 views

My mouse pointer freezes often but pressing esc key releases it

Lately my mouse pointer freezes very often and all apps load slower now or sometimes don't respond but if i keep pressing esc key, it gets released or solved. I have searched a lot on this, common ...
1
vote
0answers
124 views

Slow Linux Desktop performance in a Virtualbox guest installation

I have a CentOS guest running on VirtualBox with GNOME 3, which is using Windows 7 as a host. This guest is configured to use all 4 of my CPUs, 2GB of RAM (which is plenty), and 128MB of VRAM. The ...
0
votes
1answer
43 views

Windows 10 acting erratically

With no warning, my apps and search icons do nothing when I click on either of them. I can eventually get the folders quick start icon to open that folder, but it takes many seconds to work. also, ...
0
votes
1answer
126 views

In the “High Performance” power plan, why does the CPU always shows 100% usage?

I've got a Dell Inspiron 11, model 3147, with a Pentium N3540 2.16GHz processor. I've noticed that when I chose the "high performance" power plan (at Control Panel\All Control Panel Items\Power ...
1
vote
1answer
65 views

The effects of dual booting on performance

Say I have Windows 7 but want to dual boot Ubuntu(or you know, anything else). Does downloading Ubuntu effect performance when I use Windows or, while not in use, does it just sit there and take up ...
0
votes
0answers
38 views

Web server IIS and Apache virtualized server

I am planning to use a web server IIS based on windows machine(Windows 10 Pro) and use the Hyper-V feature to create a virtual machine (Windows again or Linux I do not know yet) which would serve as ...
6
votes
6answers
3k views

Should I use a SSD or HDD for “swap” on an old computer

Introduction Let's imagine some environment where the speed is not a factor. In my case I am using a really old computer for a "server" with a lot of stupid things ( personal lab ). It is more ...
-1
votes
1answer
325 views

High CPU usage and very slow performance with Eclipse

I have a very strange situation with my computer. This is Win10 with both jdk8 x86 and jdk8 x64 with 16GB ram and 3.6GHz i7 processor. I develope with eclipse ide and tomcat webserver. I have the ...
0
votes
1answer
78 views

Alternative solution for poor wireless performance due to over-saturation

Performance of 2.4Ghz wireless networks, in dense housing areas, is generally quite poor. The only "solutions" I've seen are switching channels, or switching to 5Ghz. These aren't really viable ...
0
votes
0answers
31 views

The Power Supply can influence in performance?

I bought a new computer, I have a core i5 4690, 16gb ram hyper-x, 120 gb SSD + 500Gb HDD and a Radeon R7 360 2gb, the only thing that is not new in my computer is the power supply, a 500W "Wise Case" ...
1
vote
1answer
48 views

When does CPU Usage starts to impact users or services? [closed]

I work with servers, and now, starting to gravitate more into server performance monitoring. Some application developers that I've met lately claim that Windows/Linux Services and its applications ...
0
votes
1answer
71 views

What is slowing down my computer during gaming?

I have a Dell Latitude E6410 with Nvidia Quadro NVS 3100M and Windows 10 installed. I've been regulary playing Counter Strike Source for past 1 year without a problem. But for past month or so, ...
0
votes
0answers
74 views

Windows 10 is ignoring my pagefile settings

Is there a way to make Windows follow my pagefile settings? I really don't want the pagefile on D; I'd rather have it disabled if there's no way to force it to be on C instead.
0
votes
0answers
124 views

VirtualBox Win7 Windows Update unusably slow

Problem: 190 Important windows updates take ~10hours to install, then fail, then take ~10 hours to roll back. Tried 3x. Now I'm doing 10 updates at a time, about 2.5hours each set. Environment: Win7 ...
0
votes
0answers
152 views

Windows 10 100% Disk usage with less that 15 MB/s

I have the Lenovo Y70-70. 4th gen i7, nvida gtx 960, 16 GB RAM, and a 1tb hybrid drive, so I know it can be faster. The problem is that the Disk usage regularly maxes out, and makes the computer lag. ...
0
votes
0answers
46 views

Zero cpu usage in task manager with 45-50% memory usage

I hope someone can help shed some light on this for me, I have an Asus X54H laptop running Windows 7 home that has been getting to be a little sluggish as of late. I checked the task manager to see ...
0
votes
1answer
41 views

Is it Optimal to balance RAM across banks

It's well known that using matched pairs of RAM in a single bank with Dual Channel Architecture is optimal, both so that the two sticks have similar timings, equal capacity, etc. But what about ...
1
vote
2answers
274 views

What is the performance difference of a Virtual Machine vs the Physical host?

Where I work we are running relatively powerful PCs using the Debian Linux Distribution. However for certain programs which we need to install it would be better to have CentOS and these would be our ...
1
vote
0answers
67 views

Intel PCM ( Performance Counter Monitor ) - Low hit rate for LLC

I am having Intel Xeon D-1520 CPU I tried to run Intel PCM to get the the L3 cache miss and hit ratio. L3MISS: L3 cache misses L3HIT : L3 cache hit ratio (0.00-1.00) Core (SKT) | EXEC | IPC | ...
0
votes
1answer
47 views

How can I identify processes with high CPU usage?

My CPU remains from 30-40 percent even when everything is closed. Is there a way to scan unknown/bad Windows 7 processes and apply a fix? Norton 360 is already installed. I just installed ...
0
votes
4answers
94 views

How do I check what is spiking the CPU while the computer is idle

My Windows 10 laptop with an i7 and 16 GB of RAM often gets the fans going full speed when I am not using it. It is a bit slow to respond sometimes when I try to wake it up to check what is going on. ...
0
votes
3answers
80 views

Laptop is slow even after wipe [closed]

I have a HP DV7T-2200 laptop that sat on the shelf for a couple of years. Recently, I decided to get it back out and let my wife use it. So I wiped it, and installed Windows 7. The problem is that ...
3
votes
0answers
75 views

How to load entire process memory from swap quickly (linux)?

I run a bunch of CPU-hungry processes in parallel, they normally use a few GB of memory each. From time to time they allocate large amount of memory too (say 150-250GB). Usually at most one of the ...
0
votes
1answer
46 views

Why is CPUMark rating relatively the same for the Intel 2955U compared to newer Intel Braswell chips such as N3150?

In terms of processing power only (ignoring GPU performance), why is the CPUMark performance of the Celeron 2955U (2-core, 1.4GHz) relatively close to the Celeron N3150 (4-core, 1.6GHz)? Intel ...
0
votes
1answer
187 views

Windows 10 file sharing on local wifi is horribly slow

As the title implies, when sharing a file / folder in windows 10 the connection is horribly slow. What I am essentially trying to do is to share a folder on one computer and access that folder and ...
0
votes
0answers
69 views

R memory leak issue loading large dataset

I all, I have an issue with memory usage in R. I do not really undertand how R manage the memory. As long as the datasets were small it was not a problem but with a 1 GB file loaded in the RAM a leak ...
-1
votes
1answer
26 views

How will running two displays (same image) affect performance

I want to run the same image on two screens the colour should be the same and so should the red but one is a slightly bigger screen would this affect the performance of the Pc I have a GeForce gtx ...
0
votes
1answer
29 views

How do I evaluate 2 different hardware specs for an application?

I have a single-threaded, CPU-bound application that's currently running on a multi-core Windows machine (32-way 2.1GHz Pentium Pro/II/III). It's stuck at 100% of one of the "cores", which equates to ...
0
votes
1answer
85 views

HDD to SSD file transfer very slow

I'm using Fedora 22 Linux, and just got a brand new Samsung 850EVO 250GB SSD. I'm trying to move some of my files (mostly, my most-used games) from my old HDD to my new SSD but the transfer speed is ...
0
votes
0answers
36 views

Transferring over network gradually slows down

I have a spare Windows 10 computer sitting around and I turned it into a file storage computer. My computer is running Windows 7. When I transfer a 1.5GB file from my pc to my server, it goes from ...
0
votes
0answers
75 views

Would a log-structured file system on a SSD/HD mirror improve (write) performance and reliability in a virtualization environment?

I'm planning to get new Notebook as a host for several virtual machines. The host shall get a SSD drive for the sake of speed. However, I'm a bit concerned about the reliability of SSD drives for this ...
0
votes
2answers
60 views

How can I find out if changing cluster size on a home Windows pc will improve anything?

I've read a few things here and there about hard drive cluster sizes and how it can help get more space out of a hard drive if the cluster size is set to maximum in case of very few very large files ...
0
votes
0answers
19 views

Defrag: Does it really improve performance? Could physical file location be equally detrimental? [duplicate]

Over time, windows just runs slower. Fragmented files are often to blame, but time after time I feel like I see evidence that defragmenting the files doesn't help. I've been running defrag on each ...
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votes
1answer
52 views

Is this performance usual of a SDD?

Please see the benchmark below: HD Tune Pro: Crucial_CT512MX100SSD1 Information Firmware version : MU01 Serial number : 14420D871481 Capacity : 512.1 gB (476.9 GB) Buffer size ...
0
votes
0answers
39 views

Consistently high disk usage hinders performance

I have a Asus quad-core Laptop running windows8.1, and it has high disk usage, for the entire time it is running. Its not like its doing anything, (that I know about) Just 100% disk usage, all the ...
0
votes
1answer
279 views

Why is FlightGear not using more computing power?

I recently downloaded FlightGear as I felt like playing a flight simulation game. I am using Windows 10 and am running into a framerate problem. The game does never goes above 25 fps and sometimes ...
0
votes
1answer
49 views

Outlook 2013 sending emails too slow

We have Outlook 2013 and the problem is that with some of the users, the emails just won't leave outbox quickly and will stay there for a long time. Uploading attachments is excruciatingly slow. ...
1
vote
2answers
52 views

Outlook 2010 is very slow and error in HDD SMART [closed]

I've got a problem with PC performance when I run Outlook 2010. It's starting for 20 minutes or more. My PST data file is 50 GB, so it's a lot. I moved some messages to new data file, so it takes now ...
0
votes
0answers
11 views

Does preview pane in windows 7 downgrade performance

I like to use the preview pane when I'm sorting through and filing a lot of documents because it's a quicker way to view contents than openning the file in whatever program. But my IT head keeps ...