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

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-1
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2answers
18 views

Which 2gb ram card would be compatible with the Samsung nc110 netbook? [on hold]

As you can tell from the title, I have been searching for a 2gb ram upgrade for my Samsung netbook and I am a little confused as to which one would be compatible (really don't want to pick the wrong ...
0
votes
0answers
25 views

why is my ram having different benchmark scores on these 2 different motherboards ? [on hold]

RAM: corsair vengeance 8gb dual 1866 cl9 ddr3 mobos: Intel DH67CL Asrock Pro3 R2.0 Both systems run windows 8.1 64bit Intel mb has intel i5 2320 Asrock mb has amd FX-8350 benchmark software used ...
0
votes
2answers
16 views

Speed up ubuntu on desktop by moving some directories to a faster storage

I want to speed up my ubuntu install a bit. I was using a RAID1 setup for the whole system (separate md for /home and /). Now (thanks to ...
0
votes
1answer
23 views

Why does my browser cache fill up so fast? [on hold]

So on my second desktop there seems to be a problem with the browser cache. To clear up the cache i'm using this program called ccleaner. Helps me alot keeping everything clean. Recently the browser ...
0
votes
1answer
24 views

how could I figure out RAM consumption of services?

I'm using Windows 7 SP1. Recently I feel it runs slower and slower. The applications do not consume much RAM, so I guess some services do. How can I see the memory consumption by each service?
1
vote
1answer
41 views

Will a large block size affect speed noticeably? [on hold]

I've seen discussions about it being fine to have a large block size on drives where large files will be stored because not much space will be wasted. But will it also help to speed up reading? I'm ...
0
votes
0answers
19 views

Mixing 4GB 1Rx8 PC3L RAM with 2GB 2Rx8 PC3 RAM in samsung RC510

I have Samsung Laptop RC510 with 4GB RAM (2x 2G 2Rx8 PC3). Latelly I wanted to change one of the 2GB for 4GB so i get 6GB RAM in total I got 4GB 1Rx8 PC3L RAM Stick but when I put it in my Laptop it ...
0
votes
0answers
21 views

System very slow, benchmarks and tests give different results

I have a Dell Latitude E5540 system (i5-4300U CPU, 4GB RAM, Intel HD graphics; less than a year old) which has been running very slowly recently (as in: waiting for minutes to open Word document/web ...
0
votes
0answers
25 views

Why is cURL slower than wget

Test page: https://www.beobank.be/nl/Home.aspx This is the result using wget (or a real browser): # time wget https://www.beobank.be/nl/Home.aspx -O /dev/null --2015-01-26 12:05:46-- ...
0
votes
3answers
34 views

Poor performance with large .txt

Is there an inherent bug in the design of .txt that signficant performance drops can be experienced when working with relatively large files? Working with a file of over a million characters on ...
0
votes
0answers
18 views

Justifiable outlay to boost performance [closed]

stupid question i know but if I increase my memory from 12 to 16 Gb what kind of performance increase can I expect to see in the Adobe suite of products? will I see a 'marked' increase in performance, ...
0
votes
0answers
24 views

Slow SSD to SSD Transfer Speed

My laptop uses a Samsung SSD. A few weeks ago I wanted to transfer a 6.22 GB folder from my internal SSD to an external SSD I own, also from Samsung. I keep the external SSD in a USB 3.0 enclosure, ...
1
vote
0answers
32 views

Why Computer is so slow after boot?

This situation has happened to me multiple times and I've tried to diagnose the problem unsuccessfully. This has to deal with my work PC. Machine/Software Specs: Windows 7 x64 32GB Ram Core i7 (ivy ...
-3
votes
0answers
20 views

Slow upload speed on only 1 computer [closed]

All of the sudden, I have very slow upload speed on only one computer. Wired it is fine. I have tried different wireless network adapters, and have the same result.
-2
votes
0answers
37 views

Dell 15R N5110 meanigful upgrade both RAM and HDD [closed]

I am planning to give a performance shake to my current laptop. After spending sometime over the net, I have nailed down two things (1. RAM and 2. SSD internal hard drive) that could really help boost ...
1
vote
1answer
16 views

What factors can affect a disk's seek time?

sorry for the beginner question. I am learning about how fast a disk can do its process (read/write) and move between tracks. One if the factor related to this is disk's seek time. I am curious, in ...
1
vote
3answers
71 views

SSD slows in minutes, resets on reboot

I have a Windows 7 Pro HP z200 system with an MTFDBAK256MAG-1G1 (Micron RealSSD C300 240 GB). I notice that the drive's performance is fine when the disk is booted, then during the course of a ...
0
votes
0answers
48 views

Is it safe to disable pagefile? [duplicate]

I read on many website that when pagefile is disabled the system gets increasingly unstable and crashes unrecoverably. Is it really unsafe to disable the pagefile? Here is my scenario: I mainly use ...
0
votes
1answer
19 views

Django's dev server causes permanent high CPU load with Python 3

Django's development server runs under Python 2.7.5 (on Windows 7) with a rather constant (idle) load of about 1-3% on my test system - no page loads or other calculations done. Switching to Python ...
-2
votes
0answers
19 views

Cython vs pure python for trending engine [closed]

I have a python script that fetches a large amount of data (order of 10^5) as json, parses it, splits it into multiple parts, performs calculations and then sorts them. If and how can the performance ...
0
votes
0answers
22 views

SandForce SF-1200: Is it worth secure-erasing to recover from performance degradation?

I have an OCZ Agility 3, 120 GB in a Windows 8.1 system. The drive is well used and only has a sequential write speed of about 80-90MB/s left. My question is: is it worth going through the trouble ...
0
votes
1answer
49 views

Firefox unbelievably laggy on dell laptop

I own a Dell XPS 15 (2014 model), running windows 8.1, where firefox has always been slow and sluggish. I haven't been able to solve the issue through google. One of the problems is that scrolling is ...
1
vote
1answer
28 views

Transferring large files spikes CPU and network on source and destination machines

I have two PCs, both running Windows 8.1, and both use a wired network connection. I need to transfer files from machine A to machine B. Machine A is a workhorse: Core I7-4770K 16GB RAM Gigabit LAN ...
0
votes
0answers
29 views

why is there 5-50 gig downloaded in my temp file-windows task manager says my cpu usage is always around 90-100% [duplicate]

I have been struggling for over a week now trying to figure out why my computer is running slow when connected to the internet. Windows task manager says my cpu usage is always around 90-100% I have ...
0
votes
1answer
52 views

windows 7 64bit workstation ,suddenly started being slow and unresponsive

Well the full title should be something like: slow - all applications will take for ever to load. unresponsive at times (pressing `ALT+CTRL+DEL1 sometimes does not bring up the blue screen from ...
0
votes
2answers
40 views

Several problems after system restore

I had a problem with a program that I thought I'd be able to solve by doing a system restore. The side effects however were too severe and made me undo the system restore. After the undo, the problems ...
0
votes
0answers
37 views

Is it slower when using 3TB hard drives on Windows? [duplicate]

For some reason I have a notion that it's somehow detrimental to the performance of your windows machine (and other OSs?) to use hard drives that are larger than 2TB. When I was thinking about this, I ...
-2
votes
0answers
68 views

How do I troubleshoot a slow-boot

I'm trying to find anyway to troubleshoot or analyze the slow-booting problem on my (Dell 15r 5537) Windows 8.1 Laptop, is there's any user-friendly software to do this? Things I've already tried to ...
0
votes
0answers
32 views

Computer slow after plugged into wrong voltage

So I set up a desktop computer running ubuntu in a classroom that was running through an AVR at 220 volts. I got a report that it wasn't working, so I came to look at it, and sure enough, fans and ...
0
votes
0answers
31 views

What types of issues would cause very poor frame rate in games like Minecraft?

I am trying to assist a friend of mine in getting minecraft running on his computer so he can play on my server. I got everything installed and running but there is a serious issue. When he loads up ...
-1
votes
0answers
32 views

Computer Runs games real slow and I don't know what is wrong or what I need to do to fix the slow Issue

A rundown of my pc specs. - http://gyazo.com/c404f48e4a405d8de2286cf1dcb127ec Games like TF2 and World of Warcraft run really laggy and slow on lowest settings for everything. I am not sure what needs ...
-1
votes
0answers
46 views

2006 Windows XP with Pentium D 3.4 GHz (more specs in post) - Can speed be improved in 2015 Jan?

I already tried the multiple suggestions herein, but although this desktop is only used for simple Web browsing, email, word processing, with the plainest applications, it remains laggy and stasgnant. ...
1
vote
1answer
35 views

Why does a SSD have (a lot) higher mb/s with queue depth 32 then queue depth 1?

So basically in class (during a database course) we had to install and run CrystalDiskMark and analyse the numbers. The only thing I couldn't quite grasp is the fact that my computer (using an SSD) ...
0
votes
1answer
19 views

Speed up/slow down TilEm on Windows 8?

I have a program named TilEm, which is an emulator for Ti-84 graphing calculators and the like. The main issue that I am having is that there are only two speeds for the emulator: a regular graphing ...
0
votes
1answer
109 views

Google chrome helper using a lot of memory MAC

i find in my activity monitor that i have around 10 google chrome helper processes and most of them use 300-400 mb.On some questions i read, they say to change the plugins from run automatically to ...
0
votes
1answer
103 views

Slow disk performance in Docker container

Problem I have some extremely slow disk IO within a Docker container. I'm using Boot2Docker, so i'm actually now wondering if the issue is vboxsf? Testing I used this script initially because I was ...
0
votes
0answers
36 views

Performance degradation of VM vs real machine

I know there is quite a bit of info about this topic around the web but after spending several hours reading other posts and articles I still don't have a solid understanding. Here is my setup: Quad ...
0
votes
1answer
25 views

Does overclocking have any benefit on a processor that already has Intel Turbo Boost? [closed]

I've read that when the model number of an Intel Core i5 or i7 processor ends in K, it means that it is "unlocked" and can be manually overclocked by the end user. These processors also come with ...
1
vote
2answers
224 views

Optimal location of pagefile on a system with two SSDs, with system drive faster than secondary drive

Background My laptop has three disk drives, two of which are SSDs. The system drive is a 512 GB Samsung SSD 850 PRO, while the other SSD is a 64 GB Plextor M5M. Needless to say, the M5M is ...
1
vote
2answers
65 views

Comparing i7 laptop benchmark to i5 desktop

I'm sorry if this has been asked before. I'm a complete newbie in this field and couldn't understand a lot of the other responses to similar questions. I'm looking to build a computer. It will ...
3
votes
1answer
164 views

Localhost tcp throughput performance differences

I have been using psping for measuring bandwith statistics on localhost on different computers: laptops, home computers and servers. All of them get to between 100 and 200 MB/s but my PowerPc at work ...
0
votes
1answer
53 views

Which bit version of windows 7 would be better from a gaming perspective? Core 2 duo (T6400) + 4GB [closed]

I am re-installing windows 7 on an old HP dv6 laptop. It was running win 7 64 bit, however I figured there might be a slight performance boost if I would downgrade to 32-bit. I have been reading ...
-1
votes
4answers
79 views

Laptop super slow after few minutes [closed]

My samsung laptop (win 7) goes so slow after a few minutes (also happens right after start up) that a mouse click can take from 5 to 10 minutes. So basically it is frozen beyond recovery. Seems to ...
0
votes
2answers
174 views

Is green WD too slow (for a normal home computer)? Would it have less than a 10 MB/s read/write speeds? [closed]

There's a very good deal on a 5TB green WD that I intend to catch. However I hear that green WDs might be slower than other drives. I know that the RPM speed for green drives are is mentioned and is ...
1
vote
2answers
60 views

Does frequency of RAM really matters? [closed]

I have 2 sticks of RAM with frequency 667MHz and 1 stick with frequency 1600Mhz. As a result my all sticks are at 667MHz. How does it affects performance. I mean, we all know how all other components ...
5
votes
0answers
131 views

After plugging in a USB device, Win7 severely slows. What causes this and how could it be fixed?

This is the second PC undergoing this condition, both running Win7. On PC1 a Logitech device was connected through USB before installing it's branded driver (allowing windows to auto-install it), and ...
79
votes
5answers
6k views

Why are my games slower on battery power, even with the power plan set to High Performance?

My laptop is capable of running most games on high settings at decent frame rates. However, if the power cable gets unplugged while I'm playing, the game immediately starts slowing down, even if I'm ...
1
vote
0answers
47 views

“Access is denied” to Admin when using Sysinternals Contig to defrag the $LogFile metadata file

I have folders with hundreds of thousands, to over a million files and subfolders in each parent. I'm reading that the NTFS log file may be responsible for slow file creation and other actions. How ...
0
votes
1answer
17 views

Mercurial commands take more than 20 seconds when run as root-user

when I call any mercurial command (hg init, hg status, hg manifest, hg add, etc) as root user, the commands take more than 20 seconds to complete: # time hg init real 0m25.226s user 0m0.156s ...
0
votes
1answer
45 views

Mac mv command very slow

On my mac cp command works 9 times faster then mv. Why it is possible? Mac-Pro-AVM-4:2014-10-22 editor$ time cp /Volumes/AVM4_HD5/INGEST/Final\ Cut\ Original\ Media/2014-10-22/Clip\ \#13.mov ...