Difference between revisions of "Cpu cores"

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m (small hype about cores.)
 
m (delete some "wtf factors")
 
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Due to limitation of size vs. voltage on a CPU die, the trend with computer cpu makers is to put several dies on one chip.  They call each CPU on the chip a core.
 
Due to limitation of size vs. voltage on a CPU die, the trend with computer cpu makers is to put several dies on one chip.  They call each CPU on the chip a core.
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Multi-cores pose a problem to UNIX.  UNIX has time-sharing among processes not cpu's.  Some UNIX like operating systems don't work well with a Big Giant lock and there is wastage in multi-cores when they run these Operating Systems.
 
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IBM recently announced creating cores that are interfaced with lasers thus allowing CPU cores to be interfaced even when they are farther apart than a
 
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electric passage would allow.  This allows 100 core CPU's in the near future.
 
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A perfect UNIX machine has a single core that is extremely fast and doesn't
 
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care about size.  One mind boggles whether light photonics could be used instead of electricity creating the ultimate single processor machine.
 
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Light seems to be the future of computing, until then multi-cores.
 

Latest revision as of 01:03, 30 August 2009

Due to limitation of size vs. voltage on a CPU die, the trend with computer cpu makers is to put several dies on one chip. They call each CPU on the chip a core.

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