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The quest for higher performance via deep pipelining (for high clock rate) and
 

Summary: 8
The quest for higher performance
via deep pipelining (for high clock rate) and
speculative, out-of-order execution (for high
instructions per cycle) has yielded processors
with increasing design complexity. The costs
of higher complexity are manyfold: increased
verification time, higher power dissipation,
reduced scalability in terms of microarchitec-
tural resource size parameters and process
shrinks, and so on. The recent industry-wide
focus on processor power consumption as a
major design constraint has forced companies
to pay further attention to the underlying
complexity issue.
It is important to understand that the two
issues, power and complexity, do not neces-
sarily have complementary, causal effects, that
is, an increase or decrease in one metric does
not necessarily imply a corresponding increase

  

Source: Albonesi, David H. - Computer Systems Laboratory, Cornell University

 

Collections: Computer Technologies and Information Sciences