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

learn more… | top users | synonyms (3)

0
votes
0answers
8 views

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

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 significantly slower ...
1
vote
2answers
21 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 ...
0
votes
0answers
20 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
33 views

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

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 ...
-2
votes
0answers
22 views

How to measure LAN performance in a packet tracer [on hold]

How can I measure the performance characteristics of a local area network (LAN) and Internet connections by using packet tracer under varying conditions: creating and/or using software tools that ...
-1
votes
4answers
54 views

Laptop super slow after few minutes [on hold]

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
139 views

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

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
41 views

Does frequency of RAM really matters? [on hold]

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 ...
4
votes
0answers
63 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 ...
73
votes
5answers
5k 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
28 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
0answers
7 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
32 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 ...
-1
votes
3answers
71 views

Does Server Ram work on a normal computer?

i need some help on choosing RAM for my computer. I have 2Gb on my pc and i am on a 32bit machine so i can only get up to 4gb of RAM. I am trying to find a x2 DDR2 PC2-5300 2GB for my computer and the ...
1
vote
1answer
33 views

Is my CPU causing bottleneck for the whole system?

I have this old laptop which I have been using for past 2 years. It works well except sometimes when I use programs like Photoshop and Eclipse, it takes a long time load. Also, there are some minor ...
1
vote
0answers
37 views

Can I add more RAM to make my Samsung N-145 plus Netbook faster? [closed]

Samsung N145 Plus. Intel Atom CPU N455@ 1.66 GHz. Win 7 Starter 32 Bit OS. I like this Netbook, but it is somewhat slow. I have already added a 2 GB RAM stick in place of the 1 GB that came with it. ...
1
vote
1answer
36 views

Can disk read speed significantly decreased as disk is full?

So I have a 2TB HDD, and it usually takes less than a fraction of a second to get the data I need, after some jobs it gets full, it takes 1-2 seconds to get the data I need. How much does the fullness ...
0
votes
0answers
22 views

How to throttle performance of a VHD (Virtual Hard Disk )

I'd like to be able to throttle the performance of Reads/Writes on some of my disks. While I know it might be pretty difficult to control that on actual Physical disks, is there any tool which can ...
0
votes
2answers
35 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 ...
5
votes
2answers
92 views

Optimal RAM configuration: one large DIMM vs multiple smaller DIMMS?

I have always been told there were performance advantages in using multiple smaller DIMMS vs a single larger DIMM (as the combined bandwidth of all the motherboard's RAM slots would be used). My boss ...
-1
votes
2answers
37 views

Improve SSD performance on Windows 7 laptop

I got Asus k40in and I've just replaced it's HDD with new 120gb SSD (Kingston v300) to give it a new life as office machine; winsat disk shows ~225 MB/s sequential read and ~195 MB/s sequential write. ...
0
votes
4answers
50 views

Is too big cache a bad idea? [duplicate]

I am going to pack a new computer for myself and I thought about Xeon series as main processor. Xeons tend to have very big caches even up to 32MB. And here is a question: Is it a big advantage to ...
-2
votes
0answers
52 views

Why is my speed slow for my smartphone or tablet on my second wireless router?

I have a Billion 7800NXL as my primary router and a TP-Link Archer 2 as my secondary router. When i connect my laptop to my secondary router through wireless everything is fine but when i connect my ...
1
vote
0answers
18 views

PHP running slow on Plesk 12 Windows VPS, IIS7.5, 6 cores, 6gb RAM [migrated]

I am having an issue where PHP is running very slow on my Plesk 12 Windows VPS. Its a high end VPS with 6 AMD Opeteron (2.4ghz) cores and 6gb RAM. The server runs Plesk 12 on Windows Server 2008 R2, ...
0
votes
0answers
15 views

Single user website — performance tuning

I'm a university researcher and I have a private wiki which I use to write down notes. It's on a very resource constrained VM with 512MB of memory running MediaWiki. Since there's only really one ...
0
votes
0answers
26 views

Laptop unusually slow after being accidentally dropped. Hard drive was replaced but still slow

My laptop—a Dell 1747 i7 laptop—fell from my desk to the concrete floor of my basement office when my son tripped on its cord. As would expect, that was it for the hard disk. Luckily, though, the ...
0
votes
1answer
51 views

ATTO benchmark read speed slow below 4MB transfer size on 2-way mirror

I've set up two Toshiba DT01ACA300 HDDs in Windows 8.1 Storage Spaces as a 2-way mirror formatted as a NTFS volume. Benchmarking with ATTO shows this (volume is only a quarter full of data) Click ...
0
votes
1answer
115 views

High disk usage with windows 8.1

I have a problem that whenever I start playing Call of Duty Advanced Warfare on my PC, it gets really laggy. When I open the task manager, I find that the disk usage is at a 100%, mainly used by the ...
-1
votes
2answers
54 views

How can I cut off my slow Windows local network without touching the Internet connection? [closed]

I want to cut off my Microsoft local network connection, but not the Internet (http, https) one. Any solution - like the Firewall - is good. By saying this, I suppose there is something (like a port ...
0
votes
1answer
37 views

Types of low perfomance in videogames

I've experienced two types of bad perfomance in videogames: 1. The basic one, when you have a low frame rate during the game. 2. When the game is fluid in some intervals of time, but it freezes a ...
1
vote
1answer
22 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, ...
0
votes
1answer
25 views

Does Processes on Host Machine Affect Virtual Machine?

I use Windows 8.1 as host and Ubuntu 14.04 in VMWare. I am going to run computational simulations in Java. I have two questions: 1. If I run simulations on VM and do other works on host machine, ...
0
votes
1answer
66 views

Impact on SSD when encrypted with BitLocker [duplicate]

I am running Windows 8.1 Pro on a Samsung 830 SSD. I do not have a TPM module so I've made the necessary configuration changes to permit BitLocker encryption of my system drive without a TPM module. ...
1
vote
3answers
98 views

Performance difference between SD and MicroSD cards?

If you compare a MicroSD card with an advertised speed of 48 MB/S to a full size SD card with an advertised speed of 48 MB/S (from the same manufacturer), should their performances be identical? Or ...
4
votes
2answers
83 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 ...
0
votes
1answer
24 views

What are the performance differences between SSD caching and native SSD usage?

I am looking at making some changes to my computer. I currently have a machine running on the X79 chipset and I am using a dedicated RAID controller. The controller is an LSI MegaRAID 9260-8i SAS / ...
0
votes
0answers
46 views

Causes of slow network connection between two Windows 7 computers on LAN but either Win7 and a Linux computer are not slow

I am experiencing slow (approx. 1 MB/s) transfer speeds on my home wireless network between two Windows 7 computers. Speeds improve when switching to Ethernet on both. This speed is being observed ...
0
votes
0answers
24 views

Really slow connection between wireless routers - wireless interference or something else?

I've got a bit of an issue with my home network. Three TP-Link WR1043ND V2 are used in the setup and the idea is to get a wireless signal to all three floors of the building. All three routers are ...
0
votes
0answers
40 views

Is there a way to make windows faster by making it use more RAM?

I use windows 8.1 OS. The bottleneck for my PC is my AMD A4 Processor(1.5Ghz x 4). However I also have 16 GB RAM. It works out fine for me because I generally tend to use a lot of RAM than CPU. ...
-2
votes
3answers
306 views

Why is there the Installed Memory: 4.00 GB & Available Memory ONLY: 536 MB - 2.20 GB

This is a desktop computer, the problem is the difference between the installed memory versus the available memory. I search everywhere, for a fix to this problem. Installed Physical Memory (RAM): ...
0
votes
0answers
22 views

mac book pro slowing down with age [duplicate]

I have a mac book pro that's about 4 years old. It's been slowing down. I tried to defrag the hard drive, but that didn't really help. I am using about 70% of the hard drive, but I haven't had a lot ...
1
vote
2answers
35 views

How to apply regex to large text file?

I have large text files (some mega) example and I would like to know how if there is a more efficient way to apply regex than to PyCharm or SublimText 2 on Mac OSX. Thanks. Comment: I want to ...
1
vote
0answers
38 views

Thousands of page faults per second while page file lies empty

So, in my office system, things are going crazy. Every thing was extremely slow, so much so that switching tabs on chrome took 10 seconds. So, I checked the performance monitor for the issues. ...
0
votes
0answers
9 views

Options for daily non-RAID data mirroring?

I'm considering setting up a storage box with an SSD and I want resilience in the case of hardware failure of that SSD. (I expect the box to run Ubuntu 14.04.) I have three reasons to consider ...
0
votes
1answer
50 views

windows 8.1 extremely long login

Hello I have just bought new computer. Asus g550jk. It came without Os, so i have installed win8.1 . It worked fine at the start but after few drivers and windows updates it developed very long login ...
0
votes
4answers
177 views

Why is my Mac slow?

I've started seeing the beach ball cursor on my Mac a lot lately, and I haven't been able to track down the cause. It happens even after restarting, with only a few applications running (basic stuff ...
0
votes
1answer
26 views

Does Intel Smart Response cache drive size matter?

I have a Lenovo Y400 laptop, that came with a 16gb Intel Smart Response cache drive. I also have an unused 64gb ssd drive lying around. I was wondering whether replacing the 16gb cache drive with the ...
0
votes
1answer
16 views

Network resources being called when no connections are configured

Some users were reporting awful performance in Excel 2010 when doing simple things like clicking a cell or changing sheets for many workbooks they use. I made sure there were no dead connections ...
0
votes
1answer
23 views

Why is oracle instant client so slow on OSX?

I have both a PC and Mac environment setup to connect to the same Oracle server. Both are using Oracle instant client 11.2.0.4 and are on the same network. Both machines are similarly configured ...
1
vote
2answers
27 views

Is it normal for uploads on ADSL to make the connection unusable (> 4000ms latency)?

I have an ongoing saga with my internet connection; where the latency periodically goes through the roof. In most cases, this seems to coincide with something uploading data. I'm not having a lot of ...