27 lines
1.3 KiB
Markdown
27 lines
1.3 KiB
Markdown
up:: [[algorithme de remplacement de page]]
|
|
title:: "remplacer la plus ancienne page chargée"
|
|
#s/informatique
|
|
|
|
---
|
|
|
|
|
|
|
|
# Exemple
|
|
avec 3 cadres (1, 2, 3)
|
|
|
|
|pages demandées :| 5 | 0 | 1 | 2 | 0 | 3 | 0 | 4 | 2 | 3 | 0 | 3 | 2 | 1 | 2 |
|
|
| ------------------ | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
|
| page 0 | | 2 | | | |X|3| | |X|1| | | | |
|
|
| page 1 | | | 3 | | | | X | | | | | | |2| |
|
|
| page 2 | | | | 1 | | | |X|2| | | | |X|3|
|
|
| page 3 | | | | | | 2 | | |X|3| | | | |X|
|
|
| page 4 | | | | | | | |1| | |X| | | | |
|
|
| page 5 | 1 | | | X | | | | | | | | | | | |
|
|
| | | | | | | | | | | | | | | | |
|
|
| défaut de page | D | D | D | D | | D | D | D |D|D|D| | |D|D|
|
|
- 12 défauts de page
|
|
- 50% de plus que l'[[remplacement de page - algorithme optimal|algorithme optimal]]
|
|
|
|
|
|
|