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Ubuntu System Monitor question

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#1 nkfro


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Posted 28 December 2009 - 04:48 AM

I'm running Ubuntu 9.10 on an Acer Aspire One netbook. The CPU is an Intel Atom N270. When running the System Monitor provided with Ubuntu, SM reports that there are two Atom CPU's on board.listed as CPU 1 and CPU2. The product specs I read before buying this netbook clearly stated that Atom CPU is single core.

Why would two CPU's be reported?

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#2 Andrew


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Posted 28 December 2009 - 02:10 PM

The Atom supports hyperthreading which is reported by Gnome System Monitor as dual cores. Hyper threading allows a single core processor to run two threads of processing simultaneously.

Running a more advanced system resources reporting tool such as htop will reveal the truth.

Edited by Amazing Andrew, 28 December 2009 - 02:11 PM.

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