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

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3
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0answers
76 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
61 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
225 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
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0answers
81 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
30 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
91 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
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0answers
41 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
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0answers
77 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
66 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
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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 ...
-1
votes
1answer
53 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
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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
302 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
65 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
56 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 ...
0
votes
0answers
31 views

Profiling hard drive access

I'm running Linux (elementary OS) on a notebook. The notebook has two hard drives: a 32GB SSD drive which is reasonably fast, and a 1TB mechanical drive which is really really slow. I'm playing a game ...
1
vote
1answer
76 views

Unreasonable laptop performance

My laptop has some serious issues with performance. The specifications of my laptop:  Lenovo Y50-70  RAM: 16GB  CPU: Intel i7-4710HQ @2.5GHz  Graphics: GeForce GTX 860M 4GB ...
0
votes
2answers
102 views

Is it true that embedded graphics cards reduce the CPU's performance?

Consider the Intel HD Graphics. The video card resides inside the cpu die and uses ordinary system RAM. Therefore, it uses up Front Side Bus and Northbridge bandwidth. Therefore, accessing the main ...
0
votes
0answers
34 views

Page-file performance comparison ?

Is there any way to compare difference in performance between different drives, page-file settings (single/multiple page-files, page-file size, automatic size or not) ? I mean in real world scenario. ...
-3
votes
2answers
30 views

Amount of time to transmit 5GB to USB 2.0?

How many minutes should it take to transmit 5GB over a USB2.0 (assume 500 Mbps) bandwidth connection? How would I figure this out??? When I did the math I came up with 1.3 minutes which Im pretty ...
1
vote
0answers
100 views

Slow vagrant box, how to improve this?

We've built a vagrant box for our development box and we are facing some latency issues. Issues: Assetic:watch is being slow Overall application access in (app_dev.php) is slow Using "find" command ...
0
votes
1answer
255 views

Inkscape extremely slow on new, powerful computer

Last week I bought an ASUS ultrabook laptop: i7 6500U processor; 256 GB SSD hard drive; 8GB RAM memory; Intel HD Graphics 5500 video card. I was told this laptop should be extraordinary fast. ...
0
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0answers
72 views

CPU and Memory Running Well Below Set Clock Speed

The last time I used my PC was December 30th, and it worked perfectly. I turned it off, went out of town for a week, and when I returned, I turned it on to discover that my CPU and memory were running ...
0
votes
1answer
63 views

Using 1GB and 4GB ram sticks: worth it? [duplicate]

I have a laptop running Linux with a 4GB RAM stick that came with it. It's a DDR3 1066 MHz stick. I also have a 1GB DDR3 1333 MHz stick lying around. I've read somewhere that it might not be good to ...
0
votes
1answer
75 views

Can I have a 4 GB RAM (1600 MHz-1.35V-DDR3) and a 2 GB RAM (1333 MHz-1.5V-DDR3) at the same time to my laptop? [duplicate]

Currently my laptop has a: 4GB RAM DDR3, 1.35V, 1600MHz. I am wondering if I could add to the other slot of my laptop another RAM which has the following specs: 2GB, RAM DDR3, 1.5V, 1333 MHz ...
0
votes
0answers
34 views

Why is my Mac Mini slowing down? (HD, processor, memory, network, are all fine)

I have a late 2012 Mac Mini with 16GBs of RAM (of which I use maybe 4 GBs), a 1 TB HD that is not even half full (and which I have verified to be working according to more than one method). The ...
3
votes
1answer
36 views

Xerox Documate 3220 scanning slowly

I have a Xerox Documate 3220 that takes about ten seconds to scan one page using the auto document feeder. I've tried reinstalling the driver, cleaning the scan glass, switching from TWAIN to WIA, and ...
0
votes
0answers
41 views

QoS does not cause lag in multiplayer gaming?

I was doing some testing with QoS on my internet last night (Quality of service was done using DD-WRT on a linksys router). My internet is normally 25 MB/s, which I can game fine without lag. I used ...
1
vote
1answer
425 views

How do I Uninstall/Disable unnecessary Microsoft applications of Windows 10?

My university prohibits me using Windows Cloud storage and several its functions in Windows 10 Enterprise because it stores passwords in the cloud, prohibiting EU security legislation. I cannot ...
0
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0answers
20 views

Isn't overall cache miss time more than direct ram access time

Suppose there is a computer with three cache's L1,L2(inside the processor) and L3(external to the cpu) and a RAM. Now suppose CPU need to access data "ABC" for some operation which is definitely ...
0
votes
1answer
123 views

Why is my Samsung 850 Pro booting up slowly?

I am running Windows 10 Pro and I have a Gigabyte GA-Z170X-Gaming 3 motherboard with 16 GB of RAM. I also have a mechanical hard drive for mass storage. But the problem is it takes about 15-20 seconds ...
2
votes
2answers
81 views

Optimize cygwin tools load time on my i5 4th Gen, 8 GB RAM, large disk

I have a x86 cygwin installation(v. (cygwin) 2.3.1 installed yesterday) where practically every tool loads very slowly. grep, tail, less, which, echo, cat -- every utility takes 2 seconds to load and ...
-1
votes
1answer
197 views

Computer not using all available RAM… Windows 7

I have 64 bit Windows 7 Ultimate. My games have been sort of laggy recently and I realized I had a issue when I looked at my computer properties (Start > Computer (Right Click) > Properties) and it ...
0
votes
1answer
128 views

Gaming computer slow, mainly after login

I'm using an MSI GP60 2PE Leopard running Windows 7 Ultimate x64. It has gotten a bit slugging, but it is very slow and prone to freezing 1 or 2 minutes after logging in. The hard drive light is on ...
0
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0answers
11 views

Do application cache/config files benefit significantly on an SSD?

Applications should be installed on an SSD to take advantage of the performance advantage it has over HDDs. However, do cache and config/settings files in the User folder on Windows and the /home ...
-1
votes
2answers
126 views

Win 10 - HDD is unbearably slow

Since the upgrade from Win8.1 to Win10, the HDD of my laptop became unbearably slow. Please look at these transfer speeds: 0.3MB/sec????? Floppy drives had such a transfer rate. :) The laptop is ...
16
votes
4answers
41k views

What is the cause of a high CPU usage of 'system and compressed memory' in Windows 10?

There is an observation to be made for Windows 10 on my laptop running with 24G memory available, and 2.5G used. There is no 'memory pressure'. Other questions have looked at memory consumption (...
1
vote
1answer
43 views

Slower performance on a better server?

Yesterday I've imported 10 million rows into MySQL in about 1 hour, using SomeHosting's: 2C CPU/4GB Memory/60GB SSD [Ubuntu 14.04 64-bit] Today I've imported only 500k rows in 1 hour, using my '...
1
vote
1answer
100 views

Slow write performance on internal SSD disk

================= I am facing the following issue: my SSD Samsung EVO 850 is leaving me with terribly slow write performance. I am getting only approx. 150 MB/s, many times it is worse than that. ...
2
votes
1answer
281 views

Windows 10 Task Manager: CPU Speed Rises Above Maximum Speed

I wonder if it Windows 10 changing behaviour in recent major update. I am using Windows 10.0.10586. I am well aware of TurboBoost that mentioned in this SuperUser question. My CPU could hit 2.70GHz in ...
1
vote
0answers
19 views

File copying much slower than rated Firewire speed

While copying a lot of files to an external hard drive using Firewire I notice that the copy speed is a lot slower than the Firewire data transfer rate. The supposed transfer rate for Firewire 400 is ...
0
votes
1answer
56 views

bcdedit is having big time delay

I want to read and set default entries in Windows Boot Manager from my app by bcdedit. But bcdedit is very slow. For response from bcdedit I must wait about 16 seconds. Why is bcdedit too slow or how ...
5
votes
1answer
226 views

100% SSD Activity, 0 R/W Speed: System Hang Issue

So I've just been experiencing a weird issue with my system where it hangs and it is very unresponsive at random intervals of time (in fact, the first clue that I had an issue was when boot to desktop ...
1
vote
2answers
71 views

Can a powerful graphics card slow laptop down?

I've recently bought a new laptop - DELL Inspiron 15 from 5000 series. It includes a 4GB graphics card while having only 4GB of RAM. The problem is, the laptop works slower than any of my other ...
0
votes
2answers
596 views

Poor performance with AMD R7 M265 after driver upgrade/system restore

I have a very strange problem. It happened two weeks ago, when Radeon Crimson was released. I ran DDU and wiped my old Catalyst install (it was working fine). After that, I installed the latest ...
0
votes
0answers
50 views

Adobe Premiere and Media Encoder randomly can't encode video

I have a mid-range computer setup which I use to do a lot of video editing and 3D rendering. Usually, it works fine, although I can't do 3D rendering (using Blender) on the GPU because there isn't ...
0
votes
0answers
19 views

On running an OS in an external HDD (SATA-to-USB3) on a Macintosh laptop for nostalgic-gaming

TLDR; What significant performance difference would there be if I run an OS (say, Windows) in an external HDD through USB3 (a SATA-to-USB3 connection), comparing to running it natively, on a ...
0
votes
0answers
36 views

SSD + HDD Setup - Occasional slow HDD access?

My PC setup is currently using a small SSD (~75gb) for storing my OS and small, frequently used software. The rest of my software and data is stored on an HDD (~1TB). Here's the issue; because most of ...