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0
votes
1answer
52 views

Mutli-processor workstation as a workstation/server

I work in a research institute and a number of programs we use are computationally intensive (I actually wrote one of them). Right now we have one computer that is dedicated for one of these programs ...
2
votes
3answers
161 views

How to limit Windows 7 x64 to 1 CPU core?

How can I limit Windows 7 x64 to use only one core of one CPU? I already tried this and rebooted but it seemed to have no effect. Task Manager still shows four columns that were all in use from time ...
1
vote
1answer
99 views

What are “hyperthreading” and “virtual cores”?

I'm new in this computer terms. So anyone can explain to me what "virtual cores" and "hyperthreading" are at greatest detail a layman can understand? People told me that virtual cores are imaginary ...
1
vote
2answers
69 views

Clock frequency, number of cores , threads

I'm really confused. What determines the speed of the CPU/processor? Some compared a dual core with 2.8ghz and a 2.4ghz quad-core and say the quadcore is better. But when it comes to a dual core ...
6
votes
5answers
588 views

Is a higher core count or higher clock speed more beneficial to a computer's performance? [closed]

With lowering silicon costs and rising consumer needs, manufacturers seem to be pushing one of two things: clock speed and/or core count. With the way things are going, it doesn't seem that clock ...
2
votes
1answer
229 views

What Is Minimum And Maximum Processor State In Windows 7 Power Management?

I am talking about this: What should I set in minimum and maximum? I want good CPU performance but not overheated CPU and fan working like crazy.
2
votes
1answer
36 views

GPU stream processors speed (Hz)

I've recently purchased a "Radeon HD 6870 1GB GDDR5" which spec says operates at 915 MHz and has 1120 stream processors. My question is simple; Does all 1120 stream processors operate at 915 MHz, or ...
3
votes
1answer
205 views

Does my motherboard support Multi-Core Processors?

My specs: Hewlett-Packard HP d530 SFF motherboard CPU Properties CPU Type - Intel Pentium 4, 2800 MHz (21 x 133) CPU Alias - Northwood CPU Stepping - D1 Package Type - 478 Pin uPGA Instruction Set ...
2
votes
1answer
261 views

How do I disable multithreaded calculation in Excel 2010 - as a permanent setting (without needing to set it on a worksheet)

I need to be able to have excel 2010 open (in windows 7 if it makes a difference) and have this setting defaulted to off. I've tried unchecking the box and closing excel, saving the setting on the ...
0
votes
1answer
125 views

Why do some misbehaving processes use 100% CPU and some 50% CPU?

When programs on my laptop crash, they sometimes start hogging CPU. I have noticed that some processes use 50% (like firefox, various games) but a few use 100% like (VLC, GOM) etc. Does this have do ...
0
votes
3answers
526 views

What is actually multilevel cache in processors?

I recently read about processors(mainly multi-processor) and i came across, what is called as multi-level caches. I know that they have several cache in this case, for increasing the performance. But ...
0
votes
3answers
289 views

AMD 700, 800 series chipset. I'm lost

I've been an Intel / NVidia user ever since I started using computers. Intel really gone up with the prices, and they won't get cheaper. So I decided to get an AMD. But WHICH one? I mean.. not ...
5
votes
3answers
425 views

Quad cores have lower processor speed, are they still better?

So, I am looking at building a new laptop. Two examples of the processors I am looking at are: Intel® Core™ i7-740QM Quad Core 1.73GHz 6MB Intel® Core™ i5-520M Dual Core 2.40GHz 3MB Now I realize ...
6
votes
6answers
4k views

How do I calculate clock speed in multi-core processors?

Is it correct to say, for example, that a processor with four cores each running at 3GHz is in fact a processor running at 12GHz? I once got into a "Mac vs. PC" argument (which by the way is NOT the ...
2
votes
1answer
1k views

Does Windows 7 Home Premium support Dual Core Processors?

I'm looking to buy a new laptop (the new studio 14 from Dell). The processor for this laptop is an Intel Core i5-520M. Think link http://reviews.cnet.com/8301-31012_7-10379487-10355804.html says that ...
4
votes
1answer
132 views

Is there graceful degradation in symmetric multi-processing (SMP) systems?

Since graceful degradation is a fault-tolerant feature, is it true that in a multi-processor systems with symmetric multi-processing, there will be no graceful degradation? Update: ...
0
votes
4answers
86 views

Use netbook processor with laptop?

I don't know if this is possible or makes sense to do anyway, but I was thinking - could I somehow add my netbooks processor to another computer to act as an external core for better performance on ...
5
votes
3answers
182 views

Single Quadcore or Dual Dualcore?

If you have to choose (everything else being equal) between one processor with four cores, and two processors with dual core, what are the points in favour of each solution?
1
vote
1answer
62 views

Can a system have processors both with and without Hyper Threading?

Is is ever possible that a given computer has several processors among which only some have Hyper Threading technology and others do not? My problem is that I use hardcore code like here for ...
4
votes
7answers
3k views

Is it possible to use a dual processor computer as your desktop?

I've seen some people suggesting to get a motherboard that supports two processors and stick two Xeon Nehalem processors in it. Could you use this system as a desktop PC or is this useless or even ...
8
votes
5answers
618 views

What's the difference between multicore proc and multiproc system?

I wonder what's the difference between a dual core computer and a computer with 2 processors on the mother board.. I think it's something related with the threads but a I don't understand it very ...