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Branch effect reduction techniques

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3 Author(s)
Uht, A.K. ; Rhode Island Univ., USA ; Sindagi, V. ; Somanathan, S.

Branch effects are the biggest obstacle to gaining significant speedups when running general purpose code on instruction level parallel machines. The article presents a survey which compares current branch effect reduction techniques, offering hope for greater gains. We believe this survey is timely because research is bearing much fruit: speedups of 10 or more are being demonstrated in research simulations and may be realized in hardware within a few years. The hardware required for large scale exploitation is great, but the density of transistors per chip is increasing exponentially, with estimates of 50 to 100 million transistors per chip by the year 2000

Published in:

Computer  (Volume:30 ,  Issue: 5 )