Branch (control) hazards in computer architecture, Computer Engineering

Branch (control) hazards in computer architecture:

Branching hazards (also called control hazards) take place when the processor is told to branch -for example, if a definite condition is true, then jump instruction from 1 part of the instruction stream to another - not essentially to the next instruction sequentially. In such type   of case, the processor unable to tell in advance whether it should process the next instruction (instead it may have to move to a distant instruction).

It can result in the processor doing not needed actions.

A cache misses:- A cache miss stalls all  of the instructions on pipeline before and after both condition the instruction causing the miss.



Posted Date: 10/13/2012 4:22:55 AM | Location : United States

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