JP2009510618A - 多コア・プロセッサによる信頼できるコンピューティング - Google Patents
多コア・プロセッサによる信頼できるコンピューティング Download PDFInfo
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Abstract
Description
Claims (22)
- 多コア・プロセッサであって:
複数の処理コアと;
相互接続ファブリックと;
少なくとも一つのメモリ・モジュールと;
当該多コア・プロセッサ中の各コアの特性を動的にプロファイリングするプロファイリング・モジュールとを有しており、
前記複数のコアおよび前記少なくとも一つのメモリ・モジュールが前記相互接続ファブリックに結合されている、多コア・プロセッサ。 - 請求項1記載のプロセッサであって、前記プロファイリング・モジュールが:
前記多コア・プロセッサ中の各コアによる電力消費を、種々の電圧および種々のスピードのもとで定期的に測定する電力消費測定モジュールと;
前記多コア・プロセッサ中の各コアの最大スピードを、種々の電圧のもとで定期的に測定する動作スピード測定モジュールと;
前記多コア・プロセッサ中の各コアの信頼性情報を、少なくとも部分的に前記多コア・プロセッサ中の各コアの前記の測定された電力消費データおよび最大スピードに基づいて取得する信頼性追跡モジュールとを有する、
プロセッサ。 - 温度分布を測定し、前記多コア・プロセッサ中の各コアのダイ領域および前記相互接続ファブリックにわたるホット・スポットを同定するための少なくとも一つの温度センサーをさらに有する、請求項2記載のプロセッサ。
- 前記信頼性追跡モジュールが、前記温度分布および前記ホット・スポットを時間を通じて取得する、請求項3記載のプロセッサ。
- 前記多コア・プロセッサ中の各コアの機能的な正しさを検査する機能的な正しさ検査モジュールをさらに有する、請求項2記載のプロセッサ。
- 前記機能的な正しさ検査モジュールが、少なくとも粗い粒度のレベルで機能的な正しさ検査を実行する、請求項5記載のプロセッサ。
- 前記信頼性追跡モジュールが、前記多コア・プロセッサ中の各コアの機能的な正しさの傾向情報を時間を通じて取得する、請求項5記載のプロセッサ。
- 前記多コア・プロセッサ中の各コアの特性を動的にプロファイリングするプロセスにおいて、少なくとも前記電力消費測定モジュール、前記動作スピード測定モジュールおよび前記信頼性追跡モジュールを、制御し、協調させるコントローラをさらに有する、請求項2記載のプロセッサ。
- 多コア・プロセッサ中の各コアの特性を動的にプロファイリングする方法であって:
前記多コア・プロセッサ中の各コアについて定期的に試験を開始し;
各試験の間に、種々の電圧および種々の動作スピードのもとで、前記多コア・プロセッサ中の各コアの電力消費データを測定し;
各試験の間に、種々の電圧のもとで、前記多コア・プロセッサ中の各コアの最大動作スピードを測定し;
前記多コア・プロセッサ中の各コアの信頼性情報を、少なくとも部分的に、各試験の間に取得された前記電力消費データおよび前記最大動作スピードに基づいて取得することを含む、
方法。 - 前記多コア・プロセッサ中の各コアのダイ領域および前記相互接続ファブリックにわたるホット・スポットおよび温度分布を取得するために温度を測定し;
機能的な正しさ検査を実施して前記多コア・プロセッサ中の各コアの機能的な正しさ情報を取得することをさらに含む、
請求項9記載の方法。 - 前記信頼性情報が、前記多コア・プロセッサ中の各コアの、前記ダイ領域にわたる前記ホット・スポットおよび温度変動ならびに前記機能的な正しさ情報の傾向情報を含む、請求項10記載の方法。
- 前記多コア・プロセッサ中の各コアについてパフォーマンス・プロファイルを取得し、記憶することをさらに含む請求項10記載の方法であって、前記パフォーマンス・プロファイルは、前記電力消費データ、前記最大動作スピード、前記機能的な正しさ情報、各コアのダイ領域にわたる前記ホット・スポットおよび温度変動ならびに前記多コア・プロセッサ中の各コアについてのそれらの傾向情報を含む、方法。
- 多コア・プロセッサであって、該プロセッサ中の各コアについて動的プロファイルを生成するプロファイリング・モジュールを含む多コア・プロセッサと;
タスクを受領し、該タスク・アプリケーションを、少なくとも部分的に該タスクの要求および前記プロセッサ中の各コアの前記動的プロファイルに基づいて第一のセットのコアに割り当てるタスク割り当てモジュールとを有する、
コンピューティング・システム。 - 前記プロセッサがさらに、コアの少なくとも一つの特性を基準として使って、前記プロセッサ中のコアを、各コアの前記動的プロファイルに基づく複数のビンにグループ分けするコア・ビン分けモジュールを有しており、前記複数のビンは前記タスク割り当てモジュールによって、前記タスクを前記第一のセットのコアに割り当てるために使用される、請求項13記載のシステム。
- 変化する条件に応答して、前記タスクを第二のセットのコアに再割り当てするおよび前記第一のセットのコアを再バランスするうち少なくとも一方をするパフォーマンスおよび電力マネージャをさらに有し、ここで、前記第二のセットのコアは前記第一のセットのコアとは異なるコアを少なくとも一つ含んでいる、請求項13記載のシステム。
- 前記第一のセットのコアおよび前記第二のセットのコアのうちの少なくとも一方の間で相互接続を再構成する再構成器をさらに有する、請求項15記載のシステム。
- 前記変化する条件が、前記第一のセットのコアのうち少なくとも一つのコアの変化する条件と、変化する環境とのうちの少なくとも一方を含む、請求項15記載のシステム。
- 多コア・プロセッサを使ってタスクを効率的に実行する方法であって:
タスクを受領し;
前記タスクを解析して前記タスクの要求を判別し;
前記タスクを、前記タスクの前記要求に基づいて、前記多コア・プロセッサ中の第一のセットのコアに割り当て;
前記タスクを、前記第一のセットのコアを使って実行することを含む、
方法。 - 前記多コア・プロセッサ中の諸コアを、前記多コア・プロセッサ中のコアの少なくとも一つの特性に従って、各コアの動的プロファイルに基づいて、複数のビンにグループ分けすることをさらに含む、請求項18記載の方法。
- 変化する条件に応答して、前記タスクを第二のセットのコアに再割り当てすることおよび前記第一のセットのコアを再バランスすることのうち少なくとも一方を含んでおり、ここで、前記第二のセットのコアは前記第一のセットのコアとは異なるコアを少なくとも一つ含んでいる、請求項18記載の方法。
- 前記変化する条件が、前記第一のセットのコアのうち少なくとも一つのコアの変化する条件と、変化する環境とのうちの少なくとも一方を含む、請求項20記載の方法。
- 前記第一のセットのコアおよび前記第二のセットのコアのうちの少なくとも一方の間で相互接続を再構成することをさらに含む、請求項20記載の方法。
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US11/238,488 US7412353B2 (en) | 2005-09-28 | 2005-09-28 | Reliable computing with a many-core processor |
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PCT/US2006/037523 WO2007038530A2 (en) | 2005-09-28 | 2006-09-26 | Reliable computing with a many-core processor |
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WO2007038530A2 (en) | 2007-04-05 |
US7412353B2 (en) | 2008-08-12 |
JP2012216232A (ja) | 2012-11-08 |
DE112006002265B4 (de) | 2011-02-17 |
CN101278264B (zh) | 2012-03-21 |
DE112006002265T5 (de) | 2008-08-07 |
JP2014211910A (ja) | 2014-11-13 |
JP5535481B2 (ja) | 2014-07-02 |
CN101278264A (zh) | 2008-10-01 |
US20070074011A1 (en) | 2007-03-29 |
WO2007038530A3 (en) | 2007-11-29 |
JP2017076414A (ja) | 2017-04-20 |
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