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

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0
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1answer
25 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 ...
-1
votes
2answers
22 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 ...
0
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0answers
52 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 ...
1
vote
0answers
29 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 ...
0
votes
1answer
26 views

Performance comparison for older server [on hold]

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 ...
-3
votes
0answers
22 views

i3-2125 vs. i3-4360T: Performance and power consumption comparison [on hold]

I want to compare two Intel CPUs: The i3-2125 and the i3-4360T. I'm interested in the performance differences and the power consumption. Which one of these two performs better in the mentioned ...
-3
votes
0answers
26 views

How much RAM is optimal for single core processor [on hold]

I would like to improve my old machine by adding another GB of RAM. The thing is, my machine uses DDR 400 RAM and my processor is AMD Sempron which works on 1.6GHz. Currently, I have two modules of ...
-1
votes
1answer
35 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 ...
0
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0answers
14 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 ...
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 ...
-1
votes
1answer
24 views

What factors are responsible for the performance of software? [closed]

I'm using the Adobe program Flash CS 6 on a Windows 8.1 laptop. Currently it's taking 2 minutes to publish an iOS app from it. What factors are responsible for the publishing time? Will another 4 GB ...
0
votes
1answer
27 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
votes
0answers
30 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 ...
0
votes
1answer
8 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
35 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
40 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 ...
0
votes
0answers
37 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
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0answers
25 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 ...
0
votes
1answer
22 views

Combining two graphics cards - performance

I want to buy a new notebook, and to be honest I want it to run all modern games with as high details as possible. Recently I came across a notebook that had in its graphics card section written: ...
0
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0answers
11 views

Android Low Memory: How to do factory reset of my phone when it won't open anything [migrated]

My Android phone is constantly giving me a "Low Memory" error on the top of the screen. I would like to uninstall intensive apps or even do a factory reset (following online tutorials), but even if I ...
0
votes
1answer
18 views

OSX performance of near-full drive

OSX performance degrades terribly when writing to an HFS+ partition which is over about 96% full. It seems that every write request triggers some sort of process which takes about 10 seconds, during ...
0
votes
1answer
24 views

Printer “Windows Update” - Why always so slow?

In every version of Windows I've tested, when you click the "Update Windows" button, before adding a printer, it is always so slow to complete updating. Even if you have top-notch hardware and a super ...
0
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0answers
25 views

Poor memory performance on intel avoton?

I have 12 of these supermicro A1SA2-2750F boards that I'm playing around with in order to compare them to Dell's C5220s but I'm seeing consistent poor memory performance. Just curious if anyone's ...
5
votes
1answer
72 views

My SSD has extremely slow write speed. Any ideas what could be the issue?

Last year I put together a new PC with a PNY XLR8 SSD (http://www.pny.com/XLR8_SSD?sku=SSD9SC240GMDA-RB) Things have been great up until recently when I started noticing that network copies of large ...
0
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0answers
10 views

Wordpress extremely slow in VPS

Recently a client buy a "unmanaged" VPS at 1&1 and since a few days the site running on it, which is a Wordpress, is extremely slow and I can't find what the cause is meaning if it's at software ...
0
votes
1answer
31 views

Win7 System Process (PID 4) constantly accessing drive

My hard disk drive is constantly, incessantly active so long as my computer is on. Mostly this doesn't seem to affect performance- startup only takes a minute or two before the computer is usable- but ...
1
vote
2answers
37 views

What factors determine the maximum amount of ram a device can address?

I recently bought a new ultrabook that came with 4GB of ram. I have seen people talk about how it can be upgraded to 8GB with no trouble. However when I look up the CPU that is inside of the machine ...
0
votes
2answers
43 views

Does larger disk allocation unit size in HDD makes file searching faster?

Does choosing a larger unit size make it perform faster when it comes to searching files in the disk drive or even writing/reading files? Larger allocation unit means the hard disk needle needs less ...
1
vote
1answer
64 views

High CPU core usage from System Interrupts [duplicate]

The CPU usage on my AMD Phenom II X4 820 hasn't gone below 25% in days, and I realized that it’s because my 4th core is constantly at 100% load. I have spent quite a while trying to figure out why, ...
2
votes
1answer
57 views

Bad msbuild performance on Surface Pro 3

I've recently bought a Surface Pro 3 (Win 8.1, Core i7, 256GB Samsung SSD), mainly for .NET development and am disappointed at the performance. As an example, performing a full rebuild of a ...
1
vote
2answers
24 views

FTPS performance with small XML files but very high volume

Our company is building a b2b integration with another party that requires them to deliver to us a large number ~100,000 XML files about 10-15 KB each over the course of a three hour window everyday. ...
1
vote
2answers
86 views

windows 7 becomes unberable slow, what could I do? [duplicate]

I'm using windows 7 professional edition, 32 bits. At the beginning it's quite OK, but not it becomes unbearably slow: it takes around 31 minutes to start up! After I typed in the windows id and ...
3
votes
2answers
38 views

Thunderbird email from specific user is causing performance issues

In our office we are using Thunderbird. One user in particular, when using Thunderbird, has issues with sending and receiving emails. Whenever he sends an email, it takes 3 times as long to connect ...
0
votes
0answers
12 views

Are there benchmarks that measure code execution with various CPUs? Nodejs server building [migrated]

I have experience building PCs with gaming in mind. But where do I start when it comes to building a server (running specifically NodeJS programs)? I know the most significant factor would be the ...
-2
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0answers
66 views

Internet speed is very slow with new PC

I bought new PC and I have problem now. My internet is very slow and keeps changing it's speed. In old computer the speed was around 200 kb/s, now it's around few kb/s. My internet is slow everywhere ...
0
votes
0answers
22 views

Dropbox download speeds are terrible

OS: OSX 10.10.2 Router: Cisco RV320, updated AP: Ubiquiti Unifi AP-PRO Swiches: HP Procurve managed I have gigabit internet, both up and down, and my speeds generally do not dip below 800mbit. The ...
0
votes
0answers
22 views

OS on SSD, Win 8 “libraries” on HDD, access optimisations/cache?

I have Windows 8 with OS/Programs on my SSD, A lot of data on my HDD ... Available space for some data on my SSD (My SSD being 250GB, I can reasonably afford 100GB for data) Now I would like to ...
0
votes
1answer
60 views

Virtualbox - Windows 7 x64 slow loading

after moving *.vdi files to my new notebook I noticed that it takes long time to boot WIndows 7 x64(on 2 different VM's) on Windows 8.1 x64. That VM's worked perfectly on my home PC on Windows 7 X64 ...
0
votes
1answer
24 views

Clock speed vs. number of cores for parallelized computer simulation [duplicate]

My question is similar to some "speed vs. cores"-questions that have already been asked on this website. However, I am interested in some very specific and technical points. So I hope that my question ...
1
vote
3answers
621 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 ...
0
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0answers
6 views

Internet gets very slow when I open dc++ for a while

If I do continuously downloading anything in linuxdcpp it gets slower and slower.(dc++ itself and the internet in general). It gets that bad, if I wanna open any website it is loading and loading till ...
1
vote
1answer
37 views

AMD processor families and models

I want to use hardware performance monitors on my AMD Opteron 6376 processor. Unfortunately, AMD has many manuals and I can't figure out which one I need from this (partial) list: ...
1
vote
0answers
17 views

PHP - MSSQL configurations cause slow performance [closed]

I have a problem in my project using PHP and MSSQL. I have the following configurations: 64 GB Ram 16 CPU Intel Xeon SQL Server 16 GB Ram 4 CPU Intel Xeon Web Server And I have the following code: ...
2
votes
3answers
151 views

Hard disks: random vs sequencial access times for all uses

The general question: if I run all sorts of tasks on the PC, should I get an HDD with higher random or sequential data rates? More specifically: I'm using an 80GB HDD to host the operating systems ...
0
votes
2answers
45 views

Would it make any sense or can I see any performance upgrade if I change my RAM from 4 to 8 GB, in the presence of SSD hardrive? [closed]

I have a laptop with Win64 bit system with intel i3 processor on a Sandy bridge platform. I have recently replaced my hard drive with a SSD. Now I am also thinking to upgrade my RAM from 4 to 8 GB, ...
0
votes
1answer
22 views

Any benefits of VT-x for 32bit guest?

I am going to be deploying a network of 32bit guest systems. I will be running one core per VM (but multiple VMs per host), memory usage is low (<512MB per guest). Is there any benefit (or even ...
0
votes
2answers
46 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
49 views

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

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 ...
1
vote
1answer
29 views

how could I figure out RAM consumption of services? [duplicate]

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
49 views

Will a large block size affect speed noticeably? [closed]

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 ...