Thursday, January 11, 2007

How IBM Power 6 will reach 4-5 Ghz clock ?

With 65nm SGOI. Simplified, by streching silicon atoms with bigger germanium ones to move electrons faster.
However, it is not a simple task. Thus, don't expect that from Intel soon. Why?
The inability to scale the tolerance of multiple electrical parameters along with their nominal value has contributed to a virtual crisis in the ability to improve performance and reduce power consumption in new processes. The continued infusion of new materials and structures provides an illusion of conventional scaling, but presents additional idiosyncrasies as well. Anticipation of these mechanisms and their influence on variability is critical. Circuit and architecture design innovation will enable the extension of CMOS technology beyond currently recognized limits. These lessons will be important in addressing the more profound challenges of novel emerging technologies.

But, expect it for sure from Power 7 in 2009.

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