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how many cores do I have?

 
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Hank
Guest
PostPosted: Tue May 22, 2007 2:21 am    Post subject: how many cores do I have? Reply with quote
Stupid question I know, I ordered 2 dual core Dempseys 5060s but Task
manager Performance View shows 8, Processors under Device manager show 8.

I dont have the box it came in so I can't check there. This is windows 2003
server 64 bit btw

thanks
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paulmd@efn.org
Guest
PostPosted: Tue May 22, 2007 2:21 am    Post subject: Re: how many cores do I have? Reply with quote
On May 21, 6:28 pm, "Hank" <H...@Hank.net> wrote:
Quote:
Stupid question I know, I ordered 2 dual core Dempseys 5060s but Task
manager Performance View shows 8, Processors under Device manager show 8.

I dont have the box it came in so I can't check there. This is windows 2003
server 64 bit btw

thanks

Looks like you got a pair of quad cores instead.
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Paul
Guest
PostPosted: Tue May 22, 2007 2:21 am    Post subject: Re: how many cores do I have? Reply with quote
Hank wrote:
Quote:
Stupid question I know, I ordered 2 dual core Dempseys 5060s but Task
manager Performance View shows 8, Processors under Device manager show 8.

I dont have the box it came in so I can't check there. This is windows 2003
server 64 bit btw

thanks


That thing has got Hyperthreading. So Task Manager is going to show
2x what you would have expected.

http://processorfinder.intel.com/details.aspx?sSpec=SL96A

http://en.wikipedia.org/wiki/Hyperthreading

"Hyper-Threading works by duplicating certain sections of the
processor — those that store the architectural state — but not
duplicating the main execution resources. This allows a Hyper-Threading
equipped processor to pretend to be two "logical" processors to the host
operating system, allowing the operating system to schedule two threads
or processes simultaneously."

HTH,
Paul
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Hank
Guest
PostPosted: Tue May 22, 2007 8:38 am    Post subject: Re: how many cores do I have? Reply with quote
"Paul" <nospam@needed.com> wrote in message news:f2tjk1$3ke$1@aioe.org...
Quote:
Hank wrote:
Stupid question I know, I ordered 2 dual core Dempseys 5060s but Task
manager Performance View shows 8, Processors under Device manager show 8.

I dont have the box it came in so I can't check there. This is windows
2003 server 64 bit btw

thanks

That thing has got Hyperthreading. So Task Manager is going to show
2x what you would have expected.

http://processorfinder.intel.com/details.aspx?sSpec=SL96A

http://en.wikipedia.org/wiki/Hyperthreading

"Hyper-Threading works by duplicating certain sections of the
processor — those that store the architectural state — but not
duplicating the main execution resources. This allows a
Hyper-Threading
equipped processor to pretend to be two "logical" processors to the
host
operating system, allowing the operating system to schedule two
threads
or processes simultaneously."

HTH,
Paul

I see. Thanks again. This is the system I was talking to you about a while
ago, I got it up and running and it works great.
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Hank
Guest
PostPosted: Tue May 22, 2007 8:38 am    Post subject: Re: how many cores do I have? Reply with quote
<paulmd@efn.org> wrote in message
news:1179797932.604643.180920@b40g2000prd.googlegroups.com...
Quote:
On May 21, 6:28 pm, "Hank" <H...@Hank.net> wrote:
Stupid question I know, I ordered 2 dual core Dempseys 5060s but Task
manager Performance View shows 8, Processors under Device manager show 8.

I dont have the box it came in so I can't check there. This is windows
2003
server 64 bit btw

thanks

Looks like you got a pair of quad cores instead.



I wish, turns out to be because of hyperthreading.
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