The central processing unit carries out each instruction of the program in sequence, to perform the basic arithmetical, logical, and input/output operations of the system. This term has been in use in the computer industry at least since the early 1960s. The form, design and ...
2
votes
1answer
31 views
Interpreting output of cat/proc/cpuinfo
How does one interpret the information printed out by the following command in Linux
cat /proc/cpuinfo
On my laptop, I get the following output:
[gaurish108:~]$ cat /proc/cpuinfo ...
0
votes
0answers
28 views
Get number of processor ticks on Mac? [migrated]
How would I find:
The number of nice ticks
The number of user ticks
The number of idle ticks
The number of system ticks
I am on Mac OS X Snowleopard with an 2.4Ghz Intel Core 2 Duo processor. Is ...
0
votes
1answer
11 views
how to make caches with equal bitline and wordline lengths?
We know to minimize delay of cache structures in microprocessors, the bitline wire length and wordline wire length should be relatively the same. So in other words, cache modules in processors should ...
1
vote
1answer
60 views
Should I clean and re-apply thermal paste to my CPU every time I remove the heatsink?
Should I clean and re-apply thermal paste to my CPU every time I remove the heatsink? It's a bother to remove and re-apply it, plus I wonder if having fresh paste is worth the risk of handling the ...
-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 ...
2
votes
2answers
82 views
High CPU temperatures (123C)
AIDA64 is telling me that my CPU package temp gets to 125C. That is incredibly hot. My cpu core temps stay at ~31C though.
Should I be worried about a high package temp? What is a CPU package? Should ...
0
votes
2answers
32 views
Finding the number of Cores on my CPU in GNU/Linux
When I do cat /proc/cpuinfo I get the folowing information printed below. Can I conclude from this information
that there are 8 cores in my machine? I am interested in doing some parallel programming ...
1
vote
2answers
34 views
Distributed computing project? [closed]
I've tried seti@home and folding. But are there any other good ones that might have better luck actually making a difference?
I don't want to contribute to a project that is going to use the results ...
0
votes
1answer
54 views
Motherboard LED is lit (constant green) but turns off immediately when I press the power button (No fans, no POST)
I'm not sure where to begin; I've been trying to get the thing working again for a couple of weeks (waiting on shipping is a pain). There are no trustworthy local shops (speaking from experience) so ...
-4
votes
0answers
83 views
Hard disk shut down automatically eveytime [closed]
I am not able to find where is the fault.
I have window XP. After some random amount of time may be 12 hrs 24 hrs or 6 or 2 hrs. My Computer turn off automatically. Now i can still see the cPU fan ...
1
vote
2answers
72 views
Intel Core2Duo E4400 processors running at different speed?
I was checking my old computer today and I noticed something I tough was kinda strange. The CPU is a Intel Core2Duo E4400 (2M Cache, 2.00 GHz, 800 MHz FSB).
I am running linux so I ran the commands ...
2
votes
3answers
51 views
How is CPU clock rate maintained?
I was reading an article Clock rate from wikipedia which has to say that:
The clock rate typically refers to the frequency that a CPU is running at.
The clock rate of a CPU is normally ...
3
votes
2answers
71 views
A list of CPUIDs?
Is there a list somewhere of all known x86 CPU identifiers (such as „x86 Family 6 Model 15 Stepping 13”)?
1
vote
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 ...
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 ...
1
vote
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. ...
1
vote
0answers
37 views
shared L2 in multicore: regarding miss per kilo instruction (MPKI) counting
I am using multicore simulator marss http://marss86.org. I am using 4-core simulation, with shared L2 cache. Each core is run for say, 100M instructions. Since different cores progress at different ...
0
votes
2answers
66 views
egrep: CPU and memory usage
My Linux machine has 16 processors and free memory of 70 GB but when I run an egrep command, the command is using (checked through the top command) 100% of CPU and 0.5 of memory:
22391 aime 25 ...
5
votes
3answers
217 views
Should I worry about the noise my PC makes after installing a second GPU?
I recently installed a second graphics card (ATI 5770 in crossfire), and cleaned out a lot of dust from the PC. For some reason however the 'fan noise' is much louder, and I can only think of a few ...
3
votes
1answer
75 views
Why are uploads maxing out CPU?
Some odd behaviour ... when sending / uploading files, my CPU usage goes to about 100%; Activity Monitor reports 'Kernel Task' as the culprit. I first noticed this when sending emails in Mail, but it ...
2
votes
3answers
118 views
Computer shut off and won't turn back on
My desktop just shut off and won't power back on.
There was no warning or sounds, smells, or problems prior to the shut off.
The computer seems to be still getting power, the front LED display is ...
0
votes
1answer
65 views
Which version of Centos should be installed on a pc with i7 2600k cpu? [closed]
I have a pc which has a i7 2600k cpu. Should I install i386 or x86_64 centos on Virtualbox? and what are the differences between them?
0
votes
0answers
72 views
Intel Architecture documents for sandybridge, ivy bridge, nehalem etc? [closed]
Does anybody know where I can get very detailed architecture (pdf preferably) on the architecture for the latest Intel chips? I did a google search but I just got a few 3-page pdfs and nothing ...
2
votes
2answers
166 views
How Do You Get More Cores?
Are you able to gain Cores? I bought The Elder Scrolls V: Skyrim without looking at the Specs. I need at least a Dual Core Processor but I only have a Single Core Processor. Please Help.
0
votes
2answers
82 views
Why are there RAM chips with bus speed of 1600Mhz since there aren't CPUs that support more than 1333?
It is not my profession but I think my question isn't that stupid :)
Intel i7-2600 supports RAM: DDR3 1066/1333 non ECC
Same for Xeon, Amd A4 & A6 and so forth..
Why are there RAM chips with ...
0
votes
1answer
56 views
Does Intel H61 chipset supports Intel Integrated graphics?
I am about to get a motherboard with the Intel H61 chipset and the Intel i3 2100 CPU.
Can these two comunicate and use the Cpu's integrated graphics?
According to this it is possible but I am kinda ...
0
votes
1answer
25 views
Can old motherboard with Pentium E2140 in it now support Pentium E6600?
Can old motherboard with Pentium E2140 in it now support Pentium E6600? Here is the Specifications of the 2 processors on Intel site.
E6600 is really cheap and can benefit performance a lot (more ...
0
votes
2answers
129 views
Strange cpuinfo, how many cores does these physical cpu has?
At the end of this post is my /proc/cpuinfo.
I know the Physical cpu number is 2
grep 'physical id' /proc/cpuinfo|sort|uniq|wc -l
2
But how many cores does each cpu have?
The 'cpu cores' shows ...
0
votes
4answers
88 views
CPU overheating after cleaning it
I wanted to clean my computer CPU heatsink and fan itself, because the temperature is not what I wanted. About (50C ~ 70C). I have Intel Core 2 Duo E4300 @1.8 GHz (LGA775).
The heatsink wasn't so ...
0
votes
1answer
72 views
What CPU, RAM, Chipset requirements for real-time transcode two 1080p ts streams to common formats? [closed]
I aim to build a home media streaming server, and I have a lot of recordings from my satellite receiver in ts format (it's a Dreambox DM8000 HD PVR and it directly writes the transport stream to disc ...
0
votes
3answers
128 views
Want to upgrade stock PC at work but keep it on the down low. Looking for advice [closed]
I have a problem at work. They've got me doing fairly processor-intensive image editing in Adobe CS5 pretty much daily. This would be fine except that I'm on an HP Compaq 6000 with an Intel Core 2 Duo ...
0
votes
1answer
68 views
Current processor speed on OS X
I have a Macbook Air, which can get hot when the core i5 inside ramps up (using Turbo Boost). I thought I'd make a geektool script to show me what speed the processor is currently at, and put it on my ...
5
votes
6answers
481 views
How does Motherboard and CPU affect RAM choice?
I am seeking advice on which memory to use with my motherboard and CPU. Below are my components and some relevant information extracted from their official websites.
NOTE: Although this is a very ...
0
votes
0answers
27 views
atop like tool for OSX
I'm trying to debug some issues with my Mac. This machine is used as Continius Integration server. It stops responding from time to time. I think it could be some software issue, sins machine is ...
2
votes
2answers
197 views
Is the transistor count in hardware actual count?
In PC hardware, such as CPUs and GPUs, is the transistor count 'actual' or is it like saying this car has 300 horsepower. The car doesn't really have horses under its hood. Is it the same with the ...
-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 ...
4
votes
4answers
178 views
Rapidly change CPU speed [closed]
Possible Duplicate:
Why does my Intel CPU underclock itself automatically?
Background: The CPU Frequency Scaling Monitor from my Ubuntu installation is set to "on demand" per default. This ...
0
votes
1answer
44 views
Testing an embedded device processor [closed]
I am writing some tests to test the processor on an embedded device (running on Linux). The device shell supports Ash, python and I can even run C code after compilation in scratchbox.
Can you give ...
0
votes
0answers
65 views
intel vs ARM battle. Where does AMD stand. Is it a x86 platform also [closed]
I read this article http://gigaom.com/2010/01/21/analyst-firm-thinks-arm-will-beat-intel-on-ultramobile-devices/ about the battle between Intel and ARM. They say that the x86 platform has became the ...
3
votes
0answers
73 views
CPU Whine with USB mouse inserted while on battery
I have a Lenovo Thinkpad Edge E520 that emits a high pitched whine from the top lefthand area of the keyboard when a 2.4ghz wireless USB mouse is inserted. The sound is a lot louder while on battery ...
2
votes
1answer
151 views
Windows BSOD when all cpu cores enabled
I'm getting a blue screen "A clock interrupt was not received on a secondary processor within the allocated time interval", just a few seconds after the Windows desktop is loaded. (For reference, ...
0
votes
3answers
63 views
Motherboard requires “Processor” which supports Intel HD Graphics Technology
I am interested in the following motherboard (Intel Hunter Cove DH55HC H55), which seems to have a DVI, HDMI, and VGA port on the motherboard but it requires a "Processor" with Intel HD Graphics ...
0
votes
0answers
54 views
system process using constantly 20% cpu - win7 pro 64
In my win7 professional 64bit I see the system process using 20% of cpu constantly. This also tends to rise the cpu temperature, causing the fan to start, and in general slowing down the entire ...
2
votes
2answers
61 views
How do I check if my system supports hardware acceleration? Is it on the CPU or motherboard?
What is hardware acceleration? How can I check if my system supports it?
Is it a property of the CPU or Motherboard?
1
vote
3answers
148 views
Thermal paste was installed on my new heatsink. Does it need to get re-applied if I remove it?
I just installed a new i5 Sandy Bridge on an Asus P67 Sabertooth board. When I first turned it on, I received a Bios error stating there was a CPU overheating issue. I was able to navigate to the Bios ...
0
votes
1answer
142 views
How to change XP VM on virtualbox to have two CPUs without having to reinstall XP?
I installed Windows XP in Virtualbox under Ubuntu.
After installing XP I want to change the VM to have two cpus.
How to do that without reinstalling XP?
3
votes
2answers
94 views
My CPU doesn't seem to be worked beyond 20%
I have a i3 based system running Windows 7. I have noticed that even during intense activities like copying GBs of data the CPU doesn't exceed 25%. I have no malware.
Some questions based on that ...
0
votes
1answer
50 views
CPU ruuning at full capacity when boot to DOS?
Does the CPU is run at 100% or near full capacity when the computer is booted into MS-DOS? Will the CPU temperature become higher even though we are not running any program in DOS mode?
In Windows, ...
3
votes
1answer
125 views
Why does my laptop's CPU intermittently run REALLY slow?
My laptop's CPU is an Intel P8400, rated for operation at 2.26GHz.
However, sometimes it starts running really slow: the computer becomes nigh unusable, and utilities like CPU-Z show clock speeds in ...
0
votes
1answer
74 views
Changing the processor on Toshiba R500 Portege?
This is my first post here. I am looking to fix my old Toshiba Portege R500 laptop. It fell in the water a while ago so I bought a new one. To my surprise, it still works, though it has a cracked ...
