For questions concerning computer, or computer-related, performance. Please include metrics in your questions.
-1
votes
1answer
20 views
What are some good PC bench-marking and/or monitoring programs? [closed]
I have used Cinebench, CPU-Z, and CoreTemp. These are all great, but what are some other programs to test your PC hardware. Programs that specifically test RAM, CPU, graphics card, hard drive, etc ...
-2
votes
2answers
43 views
Could my CPU be damaged?
This afternoon, I used the tuneup test from the catalyst vision engine control center. It started and my fan was gaining speed, getting to 5000 RPM before my PC instantly shut down.
Wondering what ...
0
votes
0answers
16 views
for low latency should I switch “EEE Control Policies” to “Maximum Performance”?
In the properties of my network adapter (HP 331FLR) I have found such option: "EEE Control Policies". It's default value is "Optimal Power and Performance"
I do not care about power but I do care ...
-2
votes
1answer
38 views
How do I make my mouse slower or faster? [duplicate]
my last one got closed and I beleve it said to make a new thread but make more sence; so here it is: i've been looking up some ways to slow your mouse down for this game, but what they do is not ...
-3
votes
2answers
28 views
Microsoft Office on a low-spec netbook [closed]
I just installed MS office 2007 on a very old netbook. I only needed Word and Excel but I mistakenly installed the whole suite. How much of an impact will this have on the overall speed of the system?
...
2
votes
2answers
23 views
Test disk write speed on existing partition
I want to benchmark write speeds on a disk in an existing server setup. I suspect there is a problem with the write perf of the controller. Benchmarks I have tried (SiSoft Sandra, HDTune) report that ...
-3
votes
1answer
37 views
If I'm not worried about boot-up time, what gets better performance: choosing SSD instead of SATA or adding 8 GB RAM? [closed]
OK, buying a new Desktop PC for software development.
Assumptions
Boot up time not too important. Only need to do it once or twice a day. Not a big deal.
Lots about multitasking, running VMs, etc.
...
-1
votes
1answer
41 views
Should I use my 128GB SSD drive for my Windows primary or a use a 6GB/s SATA drive)? [closed]
I've always thought that you'd want to use an SSD drive for your Primary drive to boost overall system speed, then use a larger secondary drive for storing files and such.
Is that true?
If I have an ...
0
votes
0answers
15 views
A fast modern network filesystem to replace VirtualBox's shared folder emulation
My work code repository is stored in host Linux system, and is accessed from Windows guest; currently, guest can access the repo via 'shared folder' which looks like a samba emulation.
But, it just ...
27
votes
7answers
2k views
Why is my computer really slow despite of having a considerable amount of free memory?
I have a Lenovo g560 3-4 years old, Intel i5, with 2GB ram and with a Geforce 310M. It always had some issues during startup or when starting a new program, but recently it just went crazy.
From the ...
1
vote
1answer
31 views
IOPS - What are they and what do they mean?
OK I know technically what IOPS are. The technical definition is great but I'm not understanding the broader implications. My knowledge is basically:
IOPS are the input and output operations an ...
0
votes
1answer
37 views
What are the most common metrics for comparing performance when buying a new Windows PC?
What are some good and common performance metrics for comparing PC performance when purchasing a new PC?
One I'm aware of are: Windows Experience.
Edit: individual factors aren't helpful (like CPU ...
0
votes
0answers
12 views
Problems with buffered disk read performance
I have two identical linux boxes (running ubuntu 13.4) with identical hardware including a WDC WD20EARS hard disk. I noticed that my main system got unsually slow and performed a number of HD tests. ...
0
votes
0answers
31 views
SSD suddenly failed
I've been gaming last night and noticed that the whole system lags for 10 seconds each 10 minutes or so (completely frozen) and goes back to normal.
Today when I started it up, it said "windows ...
-4
votes
0answers
48 views
Unusual Physical Memory Usage(Win 7/ 1 GB RAM) [closed]
Recently,my laptop seems to be constantly using a high amount of physical memory. I am using a HP 540 laptop runnning Windows 7 with 1 GB RAM. My physical memory usage used to be 55 or below but now ...
0
votes
1answer
32 views
Old Cat5 Network Cable With Gigabit Equipment [duplicate]
We moved into a different building a couple of years ago. Instead of rewiring everything I elected to use the existing wiring. I tested it all and only replaced the defective wires. Currently, here ...
-2
votes
0answers
15 views
Macports: does it actually improve system performance? I installed some mpeg [closed]
Macports: on os x, does it actually improve system performance? I installed some mpeg ports and my video seemed zippier so now I'm auto installing every single port with dependencies..... Any ideas? ...
0
votes
1answer
155 views
Toshiba Satellite L650 slow booting time inspite of new HDD and new Win 7 Home Premium 64 bit install [closed]
This is a follow up of my earlier question. Using the recovery media creator (another story for another day X( ) I was successful in getting Win 7 64 bit with Toshiba drivers installed and running.
...
1
vote
0answers
23 views
Performance of nano / pico wireless adapters versus regular-sized USB or PCI-E adapters
Wireless N adapters come in all shapes and sizes: some have 2 antennas; some have only 1, and some have no external antenna at all. I assume that those with at least one external antenna have better ...
0
votes
1answer
29 views
My laptop freezes for a few minutes with any minor action
I have the following issue with my laptop: whenever I do any minor action (such as clicking on a text field, or just opening a new tab) my computer will get completely frozen for a few minutes.
I ...
-1
votes
2answers
45 views
Why is the AMD Athlon 64 X2 Dual-Core Processor TK-57 faster than an Intel Atom CPU N570
There are ubuntu 12.04 32-bit on both machines, results of hardinfo benchmarks:
Athlon | Atom
X2 TK-57 | N570
**lower is better:** |
|
...
2
votes
1answer
59 views
Performance gains from secure erasing an SSD?
Are there performance gains to be had by secure-erasing an SSD (an SSD that supports and uses TRIM)?
I'm using an Intel 320 SSD 160GB as my main OS drive runnin Windows. It's been a while since I've ...
1
vote
0answers
25 views
Windows 8 Start Screen Lagging
For some reason, when explorer.exe gets restarted on my Windows 8 PC, the start screen is laggy. What I mean by laggy is that when I scroll in the start screen, it takes a bit to show the rest of the ...
-3
votes
0answers
33 views
not near the speed I contracted
I have a 200Mb service with a wireless card for up to 300Mb, it is a dlink-Dir857 wireless router supposed to deliver up to 450 per channel. Wired I abtain the 200 speed but wireless I cant even a ...
-1
votes
1answer
54 views
TRIM for SSD — Is is really that good?
I'm a newbie to SSDs and nearly complete beginner to TRIM, so this may sound a little bit dumb.
I found many articles (for example this one) and even more Internet sources that claims, that "TRIM ...
0
votes
1answer
26 views
X2 Dual Core vs Quad Core [closed]
Strictly speaking, which offers a better performance?
A server-style motherboard running 2 processors (each 3.2 GHZ, dual core)
A single processor Motherboard running an I series processor (3.2ghz, ...
0
votes
0answers
30 views
What's causing this drop in performance?
So when browsing trough folders in Explorer, suddenly my mouse will stutter and scrolling trough folders goes extremely slow. This goes on for 10 seconds and happens multiple times a day. I don't see ...
1
vote
1answer
27 views
Virtualbox, consistent performance with numerous guests?
I have a quad-core computer and I'm running Linux amd64 as host OS.
I want to run 3 guest Linux systems in VirtualBox, all with only one allowed CPU core, and 80% CPU cap, maybe I'll increase cap, ...
0
votes
0answers
15 views
X11VNC server system resources usage optimization
My config file:
start on login-session-start
script
/usr/bin/x11vnc -xkb -noxrecord -noxfixes -xdamage -auth /var/run/lightdm/root/:0 -rfbauth /path/to/pwdfile -display :0 -forever -wait 4 -defer 1 ...
0
votes
0answers
11 views
Identifying disk readr/writer (Debian Linux)
I have the strange activity on my Linode. The Munin reports shows that there is constant writing to /dev/xvda at the rate of 30Kb/s. The Linode Graphs shows constant DiskIO at 48 Blocks/sec average. ...
-1
votes
0answers
9 views
How to speed up mahout learning process? [closed]
I have been using a dataset with million documents as a training set. It takes a day for mahout to learn in my machine with 8GB ram, intel i5 2.50GHZ?
Is there any tweak to improve the learning ...
1
vote
1answer
41 views
Why is gzip slow despite CPU and hard drive performance not being maxed out?
I have some JSON files, 20 GB each, that I want to compress with gzip:
gzip file1.json
This takes up one full CPU core, all fine.
It processes around 25 MB/s (checked in atop), my hard drive can ...
-1
votes
0answers
16 views
Tracking down performance discrepancies with perfmon counters on supposedly identical hardware?
I have an app that has a markedly different performance profile on supposedly identical hardware. The app reads from a database, reads and writes to local disk, and does a lot of CPU bound ...
-1
votes
0answers
22 views
asrock h61m-itx Slow boot
I have a problem with my pc. On every first time I turned it on, it seems to boot fine however it gets stuck on the motherboard info screen (not the bios but the one that says "F2/Del to enter setup, ...
1
vote
1answer
61 views
cURL SFTP upload speed only 50% compared to command line SFTP
I need to use cURL to upload some files to an SFTP server, it has to be using cURL because I'll be later using cURL_multi etc to transfer files simultaneously (unless anyone knows a command line ...
0
votes
1answer
33 views
How to to measure and monitor I/O performance
We have a linux cluster with worker nodes sharing a common remote file system. We want to optimize the I/O, in particular when the workers read from the remote fs.
The starting point is to measure ...
1
vote
2answers
54 views
How effective is a tool like Iolo's System Mechanic? [closed]
I'm evaluating System Mechanic for 2 computers and while it seems to be able to discover a lot of problems that I didn't know about, it fails to fix the one problem I was trying to fix (a problem for ...
-1
votes
0answers
16 views
Which server would be most appropriate? [closed]
Im in the process of evaluating buying some second hand servers online. The issue im coming up against is whether the extra cost is worth it with regards to a DDR2 & L5420 vs DDR3 and L5520 ...
0
votes
1answer
39 views
Specing out CPUs (more than just cores and clock)
This is not a production question, just something that I've been thinking about.
When specing out CPUs I know the general rule is a faster clock speed will make a core run faster and the greater ...
0
votes
1answer
42 views
How big a performance impact on Core i7 Xeon is caused by not installing RAM in pairs?
At work I have a dual CPU workstation (HP Z600) with i7 / Xeon E5620 Gulftowns installed on a Intel 5520 based motherboard. Factory, it was installed with 2x2GB sticks enabling 4GB in dual channel ...
1
vote
1answer
155 views
What is Conime.exe and is it safe to delete / remove from startup?
Why am I posting this?
After googling this, the answers were very unclear, scattered and gave different answers. So, once I had worked out what this process was and what it does, I thought I'd help ...
0
votes
1answer
25 views
Why doesn't the stop button work on my web browser(s)?
I'm developing a website, and sometimes the code behind the page I'm loading will get stuck in a loop or whatever..
Why is it that Chrome, Safari, Firefox, IE etc.. etc.. don't respond if this ...
3
votes
1answer
73 views
CPU gets stuck at 0.90 GHz and 53% usage cap
Configuration in question:
Model - Dell 1558
CPU - Core i7 740 @ 1.73Ghz - 2.93GHz
RAM - 6GB DDR3 1333Mhz
OS - Windows 8 Pro MSDN
Now this problem has started since yesterday.
My computer blanked ...
0
votes
0answers
22 views
Speed up Windows 2008 VPN (L2TP)
Earlier I posted the following question Connect to a PPTP VPN (Server 2008) on an Apple client (iPhone / MacOS) regarding problems settings up PPTP VPN.
I read that it should be faster than L2TP ...
1
vote
2answers
78 views
Browsing to localhost is slow when connected to Internet
When I browse localhost in my browser when connected to the Internet, the response is slow; it takes 30 seconds or completely times out. When I disconnect from the Internet, it is blazing fast and ...
0
votes
0answers
31 views
Microsfot Virtual PC 2007 running 3 windows XP VMs on Dual monitors. VM screens freeze on each screen after twenty minutes
I am currently running three VMs on Microsfot Virtual PC 2007. After about twenty minutes the screen freezes where it is at and will not continue until I move the window the the other monitor. But ...
2
votes
2answers
111 views
Why can a SD card be faster on an external USB reader rather than on a builtin SD reader?
I have a Sandisk SDHC 4GB Class 2 memory card, and I have benchmarked its reading speed with Palimpsest Disk Utility, under Linux and with my Acer Travelmate 5720G laptop.
These are the speeds when ...
2
votes
1answer
97 views
How can I analyze performance issues before/during the logon process?
How can I analyze a performance issue that happens before or during the logon process?
0
votes
1answer
83 views
Diagnosing boot performance on Win7
I am trying to diagnose the problems I've been having with boot-up on my machine.
The system drive is an SSD, so it should be fairly quick.
However there is one moment, right after the "Welcome" wheel ...
0
votes
1answer
18 views
Firebug - turn of (deactivate) panels that are not used
I have all firebux panels on right now. There is one javascript application that horibly laggs when all panels are active.
So how do I turn panel (HTML, DOM, CSS, Net) off when I don't need one, but I ...
