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Windows 7: Multi-core CPU operation


01 Sep 2010   #1

Windows 8 Pro
 
 
Multi-core CPU operation

Within the past two weeks or so, (I thought it was on Windows 7 Forum), a link to an article was posted that gave a simple understandable explanation of the operation of multi-core processors and how they handled data processing separately and together, etc. I need to pass this info on to a friend. Does anyone here recall this article or can you supply a location for this information? Google search was no help as what it showed was not as informative and complete. Thank you.


My System SpecsSystem Spec
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01 Sep 2010   #2

Vista 64 Ultimate, Windows 7 64 Ultimate, Ubuntu 9.10
 
 

A multi core processor is nothing more than putting more cpu's into one package.

if a multicore cpu is rated at 2.4 GHz, every single core runs at 2.4 GHz.

If a game or app is multithreaded, it will be able to use more than one of those cores at a time.

Do not assume that the clockspeed of a quad core 2.4 GHz cpu is 4 x 2.4 GHz (9.6 GHz). Its just 2.4 GHz.

The cores in a multi core cpu cant magically share the load if a program is not multi threaded. they have to be explicitly told to do work, there is no such thing as reverse hyperthreading.

Windows itself will use lots and lots of threads, so even if a game isn't multi threaded, Windows will be able to use the extra cores.

x86 is an architecture basically invented by Intel about 20 years ago. It has been evolving since then. x64, or x86-64, is the x86 architecture with 64 bit extensions. both amd and intel make 64 bit cpu's.
My System SpecsSystem Spec
01 Sep 2010   #3

Windows 8 Pro
 
 

Thanks for the explanation. That should help her understand what she has.
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01 Sep 2010   #4

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

You, and she, might like this:

Intel® Multi-Core Technology

A Guy
My System SpecsSystem Spec
01 Sep 2010   #5

Windows 7 Home Premium 64bit sp1
 
 

wow i feel like i am in science class A+ all the way for the info

Im gonna look up how AMD does there cpu's unless you have a video of that too A-guy
My System SpecsSystem Spec
02 Sep 2010   #6

Windows 8 Pro
 
 

Thanks to both of you for the explanation and the website. Job well done!
My System SpecsSystem Spec
02 Sep 2010   #7

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Glad we could help

A Guy
My System SpecsSystem Spec
03 Sep 2010   #8

Vista 64 Ultimate, Windows 7 64 Ultimate, Ubuntu 9.10
 
 

Hope it helped you explain it to your friend!
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 Multi-core CPU operation




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