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[Memory] 主記憶への実行アクセス・書込み

Last updated at Posted at 2024-10-06

実行アクセス時間

実行アクセス時間 = キャッシュメモリのアクセス時間×ヒット率 + 主記憶のアクセス時間×1-ヒット率

書込み方式

方式 詳細
ライトスルー方式 ①CPUからのデータの書込み命令
②キャッスメモリへ書込み
③主記憶へ書込み
ライトバック方式 ①CPUからのデータの書込み命令
②キャッスメモリへ書込み
③キャッシュメモリからデータを該当追い出す
④主記憶へ書込み

参考リンク

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