Alternative Schemes for High-Bandwidth Instruction Fetching

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Alternative Schemes for High-Bandwidth Instruction Fetching

Pierre Michaud, André Seznec, Stéphan Jourdan, Pascal Sainrat

To cite this version:

Pierre Michaud, André Seznec, Stéphan Jourdan, Pascal Sainrat. Alternative Schemes for High- Bandwidth Instruction Fetching. [Research Report] RR-3392, INRIA. 1998. �inria-00073297�

a p p o r t

d e r e c h e r c h e

INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE

Alternative Schemes for High-Bandwidth Instruction Fetching

Pierre Michaud, Andr´e Seznec, St´ephan Jourdan, Pascal Sainrat

N ˚ 3392

Mars 1998

TH `EME 1

6

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A B C D

FETCHING PREDICTING

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TRACE CACHE

instruction window

cache L2 BTB

cache L1 FETCH

UNIT

trace

block FILL UNIT

retired instructions

rename / dispatch trace finalized

update

align/

decode branch

predictor

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