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