Definition Performance, in the context of computer sciences, is the measurement of work done by a system during a fixed period of time. A system is understood as anything that produces some kind of measurable output. It can be a single algorithm inside a program, an entire program, a computer ...
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0answers
25 views
RDP optimization (smooth scrolling issue)
I have Windows XP SP3, and Windows 7 machines acting as a server in my LAN. (it's only 100mbit LAN there is no WAN).
The client is Linux with the latest FreeRDP 1.x just compiled.
Here is the ...
0
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0answers
9 views
monitoring the number of mv/rename per second on linux redhat
How can you monitor the number of mv/rename per second inside a specific directory/file system, for one particular user, on linux (redhat) ?
2
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2answers
51 views
What is more effective for reviving performance - Utilities or reinstalling the OS?
Toshiba Net Book, Windows 7, 1.5 years old and is slowing down.
What is more effective for reviving performance:
"clean-up utilities" or reinstalling Windows?
Is it possible that reinstalling ...
0
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1answer
33 views
Is it worth installing applications to removable flash media on Windows 7?
Without the funds to buy a SSD for my soon to arrive laptop, and the knowledge that Visual Studio 2010 can be quite slow at times on a normal hard disk, I was trying to come up with possible solutions ...
1
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2answers
35 views
Seagate Momentus XT hybrid drive and VMWare virtual disks
I would like to know how does Seagate Momentus XT see virtual disk?
As a single huge file (size depending on virtual disk type)
As individual file within this virtual disk?
If the first one is ...
2
votes
4answers
51 views
Performance issues with my Windows 7 hard drive
My desktop's performance has been much slower than it should be for quite awhile. The issue doesn't seem to be with the processor (AMD Phenom 9650 Quad-Core Processor, 2.30 GHz) as it's utilization is ...
0
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4answers
53 views
New computer keeps experiencing lag
I have a brand new machine (I7-2600k) with 8GB RAM. However, I find the computer very sluggish in general.
I believe the issue to be with the hard drive – is there any software I can download that ...
2
votes
1answer
28 views
Why might be file copying on Windows Explorer much slower than Command Prompt
When I copy a file in command prompt, it occurs instantly.
But when I copy a file inside Explorer of Windows 7, it waits around 3-10 seconds before starting the copying process.
Also the icons of ...
2
votes
2answers
28 views
Getting more information about memory from Perfmon
It is possible to set up counters in windows perform to get information about memory. Some useful counters include:
Pages/sec
Available Bytes
However, this give me information for my entire system. ...
-1
votes
4answers
77 views
Is one core of an i7 much faster than a Core 2 Duo core at the same clock speed? [closed]
Since the app I'm running runs only as a single process, it only uses one core.
I have a Core 2 Duo 2.4 GHz now. I'm wondering if I purchased a Core i7 2.4 GHz, would it usually complete general CPU ...
0
votes
1answer
27 views
DDOS atack: network performance benchmark? or server performance benchmark?
I'm wondering if DDOS style attack can be used to gauge performance of servers... or is it predominantly network biased test?
Some history:
At work, we are trying to test new CMS system for ...
2
votes
1answer
42 views
Slow performance when watching YouTube videos – related to ReadyBoost?
I got 2GB of RAM and a ReadyBoost SD card that's a 16bg SDHC card. Maximum ReadyBoost is 4GB, and I never remove it.
My virtual memory is now 4GB and it's staying at that – is that good? When I'm on ...
1
vote
2answers
49 views
Does RAID1 increase performance with Linux mdadm?
I have a cheap 2-bay NAS with a 2TB HDD. To be robust against disk failure, I'm thinking of buying a second 2TB HDD and putting it in RAID1 with Linux mdadm. The file system is ext4.
Will this ...
0
votes
0answers
12 views
Windows 2008 modified page list bytes perf counter
we have a windows 2008 x64 system which is continually using all memory.
Looking at the process running I can see that none are consuming any more than they should be, nor trough analysing process ...
0
votes
1answer
51 views
Drivers causing Windows to shutdown slowly
My PC (Dell XPS 15z, 8gb RAM, Windows 7, I7) has been taking a long time shutting down recently. I haven't installed anything new.
In Control Panel -> Performance Information and tools -> Advanced ...
1
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2answers
81 views
Lagging windows and mouse pointer in Windows 7
I'm using Windows 7 and on top of it I have installed Visual Studio 2010 and SQL server.
For some time now I have been experiencing a laggy behavior. Explorer windows minimize and maximize with a ...
1
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3answers
88 views
Visual Studio 2010 Takes More Than 40sec To Load
I'm having troubles to load Visual Studio 2010 for the first time.
It takes more than 40 seconds to load for the first time, after the first time it loads in 12 seconds.
the machine is core i5-520M ...
0
votes
2answers
55 views
Which drive should i install the host operating system on Dell PowerEdge 2950
I have a Dell PowerEdge 2950 and there are 3 SATA 7200 drives (2 x 1TB, 1 x 300GB) and one SAS 15k drive (1 x 300GB).
I want to install Ubuntu as the host OS with several guest OSes.
Should I ...
2
votes
1answer
78 views
Low-latency streaming using ffmpeg
Recently, I'm trying to stream a remote desktop using ffmpeg.
The goal is to being able to send what is shown on one of the computer's screen to another computer while being able to choose settings ...
2
votes
0answers
43 views
Computer lags an unreasonable amount after recent wipe and load; specs and details inside
Laptop specs:
i7 Q720 @ 1.60GHz
ATI Mobility Radeon HD 5800 Series (this is what device manager lists it at but it should be 5830 to be exact)
6 GB of RAM
It's an HP Envy 15-1000se CTO, other specs ...
2
votes
2answers
117 views
How to disable the online Authenticode check everytime you open an EXE?
Every time you open an EXE file that you've downloaded, Windows 7 checks online if the EXE is signed. Is there a way to disable this?
It takes around five seconds to test if it's okay, and then it ...
1
vote
0answers
75 views
1080p HD Videos lag
It lags the least with MPC-HC Player under "Overlay Mixer Output" setting but still the audio and video gets out of sync eventually due to the lags.
I want to ensure perfect playback by compensating ...
1
vote
3answers
59 views
Are .fon (bitmap font) files needed in Windows XP?
I'm trying to make a minimal XP installation for low-end machines, and I want to remove anything that could slow the system down.
I've heard many fonts installed slow down the boot process, so I'd ...
0
votes
1answer
72 views
Archlinux boot time
I have Archlinux installed in my netbook. I want to reduce the boot time to less than 10 seconds. Is this possible? Do you have any success in reducing the boot time to a larger extent?
I am aware of ...
1
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2answers
76 views
Lots of DDR2 and older CPUs or small amount of DDR3 and a newer CPU?
Building a new desktop PC, for some gaming and lots of Virtualization, I have come across a nice old machine I can use. It has two CPU slots populated by dual core AMD Opterons, and 16Gb of DDR2 RAM ...
1
vote
1answer
23 views
will there be a degradation in performance if i install 2 OS?
I was planning 2 OS systems on my laptop. One is already installed which is Win7 and second one that i need to install is fedora. Is it that if i install fedora there will be a degradation in the ...
0
votes
0answers
48 views
Home personal computer configuration [closed]
I am trying to upgrade my processor(personal computer). I want it to be a decently high performance(that's what i think), not for gaming but mainly for doing some scientific computations and normal ...
0
votes
0answers
75 views
Winlogon delays start
I'm trying to determine, why my notebook running Windows 7 Prof x64 hangs for about 30 seconds on the welcome screen with no CPU or HDD usage (it's a member of a Windows domain). I analyzed the boot ...
1
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0answers
66 views
System and Interrupts causing high CPU
Under Process Explorer, I noticed that System -- and occasionally Interrupts -- are taking between 5% and 20% CPU constantly, for hours on end. This is resulting in weird video playback problems. ...
2
votes
1answer
135 views
Running a VM off a USB 2.0 Flash Drive - Mac/Parallels/XP
I use a MacBook Air as my primary machine, and the 128GB SSD means space is precious. To save about 10 GB, I've been running Parallels with a Windows XP VM off an external USB hard drive, which ...
0
votes
0answers
11 views
VPS optimization. Backuping and reseting old version
I want to make a "snapshot" of my old VPS server and create a new installation. The server would be used as Magento testing environment with 10+ test domains. What I would like to know is
Server ...
2
votes
0answers
87 views
How to correctly partition usb flash drive and which filesystem to choose considering wear leveling?
Two problems. First one: how to partition the flash drive?
I shouldn't need to do this, but I'm no longer sure if my partition is properly aligned since I was forced to delete and create a new ...
4
votes
1answer
76 views
How to solve extreme DPC latency peaks (240.000µs)
Once every few minutes I get a sudden peak of DPS latency that causes the system to "freeze" for a fraction of a second (240.000µs = 240ms).
The freeze is not only audio, also video, input devices, ...
1
vote
0answers
34 views
ReadyBoost or RSTv10.5 to boost my HDD read time using an SSD?
I am trying to figure out which of the two following scenarios would perform faster. The system has a 500Gb disk, 8Gb Ddr3 Ram and i7 2600, Win7 x64:
Scenario - ReadyBoost
SSD drive in sata3 with ...
0
votes
2answers
41 views
How do I test the maximum TCP/IP transfer rates of my computer?
In Delphi, I am writing client software for open source message brokers, and would like the transfer rates with a realistic upper limit of what can be achieved on my local computer, or between my ...
0
votes
0answers
60 views
If you have a limited budget to improve a computer's performance, what would you go for? [closed]
You have limited budget and you can buy one of the followings, with improving the performance as a goal, which one would you go for and why?
A faster hard disk
A faster CPU
More RAM
Let's say it's ...
7
votes
2answers
209 views
Is Windows Hibernation Bad for SSD's? [closed]
I recently got an SSD, and I was wondering if should still continue using Windows Hibernation. My fear is that hibernation would cause significant wear-and-tear on the drive.
I have about 8GB of ...
1
vote
1answer
85 views
Discrete audio - will Xonar DG improve my experience and reduce my CPU load?
I've experienced audio hick-ups when playing Battlefield 3. I suspect that it's caused by to high CPU load, so I'm considering discrete sound card. Currently I'm using on board one (VIA VT 1708S). I'm ...
1
vote
5answers
104 views
Compressing a slow drive for performance?
I've gotten a shiny new computer with just a 60gb SSD, and I don't store much media so it hasn't been a problem... until I bought a game pack that needs 50gb+ to install. With hard drive prices and ...
0
votes
2answers
37 views
System hangs once in 2-3 days after installing DDR2 667Mhz RAM with a 533Mhz RAM
My Compaq Presario desktop with Windows7 professional installed becomes completely unresponsive once in 2-3 days, since I added an extra 2GB 667Mhz DDR2 ram to it. As told on the official hp site, my ...
-1
votes
1answer
61 views
What is the best hardware for evaluating financial prices (FPGAs, GPUs or CPUs)? [closed]
I am going to write my own electronic trading platform for a university project. Hopefully hack out most of the network stack of the kernel and have simulated "real-time" prices being received on one ...
1
vote
0answers
70 views
Can I disable Windows 7's indexing/scanning of dvd contents?
When I try to copy data from a DVD on my Windows 7 machine, I keep running into this problem. I open the DVD drive in windows explorer to browse the files, select the ones I wish to copy then paste ...
0
votes
0answers
38 views
What's the best web site performance tool for end-users? [migrated]
When I receive reports that my website is running slowly, I would like to be able to point the end-users to a performance/profiling tool that is easy to use and that has a feature where the end-users' ...
4
votes
2answers
77 views
Does partitioning a hard drive give a performance gain?
Back in the day you could gain some performance by partitioning your hard drive to several partitions:
Pagefile
OS and Apps
data
There was some debate regarding the order of the drives as the ...
31
votes
10answers
2k views
Which malfunctions cause old computers to slow down and crash?
I've had a few computers of my own break after a few years of use, and I've seen computers owned by friends and family do the same thing. They either slow down (even running the original software ...
0
votes
1answer
75 views
Iceweasel 8.0 extremely sluggish in Debian Squeeze
My installation of Iceweasel is extremely sluggish in Debian Squeeze. CPU usage by /usr/bin/Xorg seems to spike when doing very simple things like switching empty tabs, opening new tabs, scrolling. ...
0
votes
2answers
92 views
Is ReadyBoost a replacement for more RAM?
I have an HP Pavilion s3000y desktop. The only problem is, the motherboard only supports a maximum of 2GB of RAM, which is not enough for some games or other memory hog applications (like Visual ...
1
vote
1answer
78 views
2 x RAM memories for notebook with different speeds
I have an old notebook which I use from time to time and would like to upgrade its RAM since it's really slow... It has two slots and only one is used, so I want to buy another RAM to put into the ...
3
votes
2answers
151 views
Maxed out memory on Windows Vista
My mother-in-law's Windows Vista desktop (Dell Inspiron 531) is running slowly, and I think it is because it is running low on memory. When the computer has been sitting idle for a while the physical ...
1
vote
1answer
182 views
How do I find out if an SSD is too fast for my laptop's SATA controller? [closed]
I have a Dell Latitude E5500 laptop, and I'd like to upgrade it to an SSD drive (120GB probably). I'm not sure what kind of SATA controller it has, and I'm not sure how to check honestly.
How do I ...
