Supercompputer Branch Prediciton

Essay specific features

 

Issue:

Technology

 

Written by:

Leroy G

 

Date added:

December 24, 2010

 

Level:

University

 

Grade:

B

 

No of pages / words:

15 / 4193

 

Was viewed:

6862 times

 

Rating of current essay:

 
Essay content:

Branching impedes CPU performance in that conditional branches can’t be resolved until the condition is determined and the target address calculated. Likewise unconditional branches can’t be determined without calculating the address. As pipelines get deeper (longer) the penalty of incorrect branching grows...
displayed 300 characters

Order custom writing paper now!

  • Your research paper is written
    by certified writers
  • Your requirements and targets are
    always met
  • You are able to control the progress
    of your writing assignment
  • You get a chance to become an
    excellent student!

Get a price guote

 
 

As pipelines get deeper (longer) the penalty of incorrect branching grows. Many methods have been proposed and researched and the solution of the majority is based on variations of schemes that predict the direction of conditional branches and then pre-fetch, decode, and execute the instruction. If the prediction is incorrect a lot of the ‘speculative’ work will be tossed out...
displayed next 300 characters

General issues of this essay:

Related essays: