JP5947463B2 - インテリジェントファーメモリ帯域幅スケーリング - Google Patents
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Description
Claims (20)
- 2レベルメモリ(2LM)システムにおいて、少なくとも1つのファーメモリでのファーメモリ帯域幅の利用を監視する段階と、
監視したファーメモリ帯域幅の利用に基づいて利用可能なファーメモリ帯域幅の利用度を動的に修正する段階と、
利用可能なファーメモリ帯域幅の修正に応じて、少なくとも1つの処理コアの動作状態を動的に修正する段階と、
を備える方法。 - 前記ファーメモリは、相変化メモリを含む、請求項1に記載の方法。
- 少なくとも1つの処理コアの前記動作状態を動的に修正する段階は、前記処理コアの電力状態を変える段階を含む、請求項1または2に記載の方法。
- さらに、過度の帯域幅を利用するスレッドの実行状態を選択的に修正する段階を備える、請求項1から3のいずれか一項に記載の方法。
- スレッドの実行状態を選択的に修正する段階は、オペレーティングシステムが前記スレッドを終了する段階を含む、請求項4に記載の方法。
- 監視したファーメモリ帯域幅の利用に基づいて利用可能なファーメモリ帯域幅の利用度を修正する段階は、通知された利用可能なファーメモリ帯域幅を修正する段階を含む、請求項1から5のいずれか一項に記載の方法。
- 監視したファーメモリ帯域幅の利用に基づいて利用可能なファーメモリ帯域幅の利用度を修正する段階は、ファーメモリへ/からデータを転送するのに利用可能なチャネルの数を変える段階を含む、請求項1から6のいずれか一項に記載の方法。
- 監視したファーメモリ帯域幅の利用に基づいて利用可能なファーメモリ帯域幅の利用度を修正する段階は、ニアメモリのページサイズを修正する段階を含む、請求項1から7のいずれか一項に記載の方法。
- さらに、ニアメモリ利用が予め選択されたニアメモリ利用閾値を超えるのに応じて、前記ニアメモリの前記ページサイズを増大する段階を備える、請求項8に記載の方法。
- さらに、前記ファーメモリに書き込まれるデータを圧縮する段階を備える、請求項1から9のいずれか一項に記載の方法。
- タッチスクリーンインターフェースと、
異なる電力消費レベルを有する少なくとも2つの動作状態において動作可能な複数の処理コアであり、前記複数の処理コアは少なくとも前記タッチスクリーンインターフェース上にグラフィカルユーザインタフェースを提供する、複数の処理コアと、
揮発性メモリデバイスと、
不揮発性メモリデバイスと、
前記複数の処理コア、前記揮発性メモリデバイス、および前記不揮発性メモリデバイスと連結されたメモリシステムコントローラであり、前記メモリシステムコントローラは、前記揮発性メモリデバイスおよび前記不揮発性メモリデバイスを2レベルメモリ(2LM)として管理し、前記揮発性メモリデバイスはニアメモリとして動作し、前記不揮発性メモリデバイスはファーメモリとして動作し、前記ファーメモリでのファーメモリ帯域幅の利用を監視して、監視したファーメモリ帯域幅の利用に基づいて利用可能なファーメモリ帯域幅の利用度を動的に修正する、メモリシステムコントローラと、を備え、
利用可能なファーメモリ帯域幅の修正に応じて、少なくとも1つの処理コアの前記動作状態が動的に修正される、システム。 - 異なる電力消費レベルを有する少なくとも2つの動作状態において動作可能な複数の処理コアと、
前記複数の処理コアと連結されたメモリシステムコントローラであり、前記メモリシステムコントローラは、揮発性メモリデバイスおよび不揮発性メモリデバイスとの通信を制御し、前記メモリシステムコントローラは、揮発性メモリデバイスおよび不揮発性メモリデバイスを2レベルメモリ(2LM)として管理し、前記揮発性メモリデバイスはニアメモリとして動作し、前記不揮発性メモリデバイスはファーメモリとして動作し、前記ファーメモリでのファーメモリ帯域幅の利用を監視して、監視したファーメモリ帯域幅の利用に基づいて利用可能なファーメモリ帯域幅の利用度を動的に修正する、メモリシステムコントローラと、を備え、
利用可能なファーメモリ帯域幅の修正に応じて、少なくとも1つの処理コアの前記動作状態が動的に修正される、装置。 - 前記ファーメモリは、相変化メモリを備える、請求項12に記載の装置。
- 前記メモリシステムコントローラは、さらに、過度の帯域幅を利用するスレッドの実行状態を選択的に修正する、請求項12または13に記載の装置。
- スレッドの実行状態を選択的に修正することは、オペレーティングシステムが前記スレッドを終了することを含む、請求項14に記載の装置。
- 監視したファーメモリ帯域幅の利用に基づいて利用可能なファーメモリ帯域幅の利用度を修正することは、通知された利用可能なファーメモリ帯域幅を修正することを含む、請求項12から15のいずれか一項に記載の装置。
- 監視したファーメモリ帯域幅の利用に基づいて利用可能なファーメモリ帯域幅の利用度を修正することは、ファーメモリへ/からデータを転送するのに利用可能なチャネルの数を変えることを含む、請求項12から16のいずれか一項に記載の装置。
- 監視したファーメモリ帯域幅の利用に基づいて利用可能なファーメモリ帯域幅の利用度を修正することは、ニアメモリのページサイズを修正することを含む、請求項12から17のいずれか一項に記載の装置。
- 前記メモリシステムコントローラは、さらに、ニアメモリ利用が予め選択されたニアメモリ利用閾値を超えるのに応じて、前記ニアメモリの前記ページサイズを増大する、請求項18に記載の装置。
- 前記メモリシステムコントローラは、前記ファーメモリに書き込まれるデータを圧縮する、請求項12から19のいずれか一項に記載の装置。
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US13/631,938 | 2012-09-29 | ||
US13/631,938 US8830716B2 (en) | 2012-09-29 | 2012-09-29 | Intelligent far memory bandwith scaling |
PCT/US2013/045983 WO2014051750A1 (en) | 2012-09-29 | 2013-06-14 | Intelligent far memory bandwidth scaling |
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JP5947463B2 true JP5947463B2 (ja) | 2016-07-06 |
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EP (2) | EP3361386B1 (ja) |
JP (1) | JP5947463B2 (ja) |
CN (1) | CN104541256B (ja) |
WO (1) | WO2014051750A1 (ja) |
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EP2901293A1 (en) | 2015-08-05 |
EP3361386A1 (en) | 2018-08-15 |
JP2015524595A (ja) | 2015-08-24 |
EP2901293B1 (en) | 2018-02-21 |
WO2014051750A1 (en) | 2014-04-03 |
CN104541256A (zh) | 2015-04-22 |
US20140092678A1 (en) | 2014-04-03 |
US8830716B2 (en) | 2014-09-09 |
EP2901293A4 (en) | 2016-07-27 |
EP3361386B1 (en) | 2019-08-21 |
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