JP5416223B2 - トランザクショナルメモリシステム内でのハードウェア属性のメモリモデル - Google Patents
トランザクショナルメモリシステム内でのハードウェア属性のメモリモデル Download PDFInfo
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- Techniques For Improving Reliability Of Storages (AREA)
Description
Set_monitor[M]
R0=test_monitor[M]
R1=test_monitor[M]
1)R0=TRUEおよびR1=FALSEは許可
2)R0=FALSEおよびR1=TRUEは禁止
3)R0=TRUEおよびR1=TRUEは許可
4)R0=FALSEおよびR1=FALSEは許可
Claims (6)
- キャッシュ要素が強制排除されると失われる情報である不可逆性データに対応付けられる前記キャッシュ要素を有するデータキャッシュメモリと、
前記キャッシュ要素に対応付けられ、前記強制排除が実行されても失われない損失フィールドと、
前記データキャッシュメモリおよび前記損失フィールドに結合されており、前記不可逆性データが失われると判断される場合に、前記損失フィールドを前記不可逆性データが失われたことを意味する損失値に設定する制御ロジックと
を備え、
前記不可逆性データに対応付けられる前記キャッシュ要素は、バッファリングされているハードウェア属性、前記データキャッシュメモリに対応付けられている状態アレイに保持されているハードウェア属性、および、前記データキャッシュメモリにおいて不可逆性のメタデータとして保持されているハードウェア属性から成る群から選択される、前記キャッシュ要素に対応付けられている不可逆性のハードウェア属性を含み、
前記制御ロジックはさらに、前記損失フィールドが前記損失値に設定されている場合に、前記キャッシュ要素から読み出すための後続のロード処理のエラーを開始し、トランザクション実行を再開する装置。 - キャッシュ要素が強制排除されると失われる情報である不可逆性データに対応付けられる前記キャッシュ要素を有するデータキャッシュメモリと、
前記キャッシュ要素に対応付けられ、前記強制排除が実行されても失われない損失フィールドと、
前記データキャッシュメモリおよび前記損失フィールドに結合されており、前記不可逆性データが失われると判断される場合に、前記損失フィールドを前記不可逆性データが失われたことを意味する損失値に設定する制御ロジックと
を備え、
前記不可逆性データが失われると判断される場合に、前記制御ロジックが前記損失フィールドを前記損失値に設定することは、前記制御ロジックが前記キャッシュ要素の少なくとも一部を強制排除の対象として選択する結果、前記キャッシュ要素に対応付けられている前記不可逆性データが失われることを含み、
前記制御ロジックはさらに、前記損失フィールドが前記損失値に設定されている場合に、前記キャッシュ要素から読み出すための後続のロード処理のエラーを開始し、トランザクション実行を再開する装置。 - 前記キャッシュ要素は、キャッシュセットを含む請求項1または2に記載の装置。
- 前記キャッシュ要素に対応付けられている前記損失フィールドは、前記キャッシュセット用の前記データキャッシュメモリ内の損失ビットを有し、
前記制御ロジックが前記損失フィールドを前記損失値に設定することは、第1の論理値の前記損失ビットを前記制御ロジックが更新することを含む請求項3に記載の装置。 - 前記キャッシュ要素は、キャッシュセットのキャッシュエントリを含む請求項1から4のいずれか1項に記載の装置。
- 前記キャッシュ要素に対応付けられている前記損失フィールドは、前記キャッシュセット用の前記データキャッシュメモリ内の複数のビットを有し、
前記複数のビットのうち1つのビットが前記キャッシュエントリに対応付けられ、
前記制御ロジックが前記損失フィールドを前記損失値に設定することは、前記複数のビットのうち前記1つのビットを前記制御ロジックが第1の論理値に更新することを含む請求項5に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US12/346,539 | 2008-12-30 | ||
US12/346,539 US8627014B2 (en) | 2008-12-30 | 2008-12-30 | Memory model for hardware attributes within a transactional memory system |
PCT/US2009/068114 WO2010077884A2 (en) | 2008-12-30 | 2009-12-15 | Memory model for hardware attributes within a transactional memory system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012514254A JP2012514254A (ja) | 2012-06-21 |
JP5416223B2 true JP5416223B2 (ja) | 2014-02-12 |
Family
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JP2011543575A Expired - Fee Related JP5416223B2 (ja) | 2008-12-30 | 2009-12-15 | トランザクショナルメモリシステム内でのハードウェア属性のメモリモデル |
Country Status (6)
Country | Link |
---|---|
US (2) | US8627014B2 (ja) |
JP (1) | JP5416223B2 (ja) |
CN (1) | CN101814017B (ja) |
BR (1) | BRPI0920229A2 (ja) |
TW (1) | TWI461912B (ja) |
WO (1) | WO2010077884A2 (ja) |
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WO2010077884A2 (en) | 2010-07-08 |
CN101814017B (zh) | 2015-02-11 |
US8769212B2 (en) | 2014-07-01 |
JP2012514254A (ja) | 2012-06-21 |
US20100169580A1 (en) | 2010-07-01 |
US20120159079A1 (en) | 2012-06-21 |
CN101814017A (zh) | 2010-08-25 |
BRPI0920229A2 (pt) | 2015-12-29 |
WO2010077884A3 (en) | 2010-09-30 |
US8627014B2 (en) | 2014-01-07 |
TW201037517A (en) | 2010-10-16 |
TWI461912B (zh) | 2014-11-21 |
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