JP2011210275A5 - - Google Patents

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JP2011210275A5
JP2011210275A5 JP2011123762A JP2011123762A JP2011210275A5 JP 2011210275 A5 JP2011210275 A5 JP 2011210275A5 JP 2011123762 A JP2011123762 A JP 2011123762A JP 2011123762 A JP2011123762 A JP 2011123762A JP 2011210275 A5 JP2011210275 A5 JP 2011210275A5
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JP2011210275A (ja
JP5465215B2 (ja
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Claims (10)

  1. 高い性能を有する第1の組のコアおよび低い性能を有する第2の組のコアを含む、複数の非対称型コアと、前記高い性能を有する第1の組のコアおよび前記低い性能を有する第2の組のコアに接続された、スレッドマイグレーションロジックと、を有するプロセッサと
    を備え、
    前記スレッドマイグレーションロジックは、一命令当たりのエネルギーに基づいて、前記高い性能を有する第1の一組のコアの第1のコアと、前記低い性能を有する第2の一組のコアの第2のコアとの間で、スレッドをマイグレーションする、プロセッサ。
  2. 前記スレッドマイグレーションロジックは、前記第1の組のコアおよび第2の組のコアに関連付けられた電源電流を含む電力消費の大きさに応じてマイグレーションする、請求項1に記載のプロセッサ。
  3. 前記スレッドマイグレーションロジックは、前記第1の組のコアおよび前記第2の組のコアの数と、前記第1の組のコアおよび前記第2の組のコアの数に関連付けられた任意の数の現在の実行スレッドと、を追跡するオペレーティングシステムに関連付けられたオペレーティングシステムのスケジューラに応じてマイグレーションする、請求項1に記載のプロセッサ。
  4. 前記スレッドマイグレーションロジックは、マイグレーションをトリガする特定の時間間隔を発生する周期タイマに応じてマイグレーションする、請求項1に記載のプロセッサ。
  5. 前記電力消費の大きさは、コアが実行しているか停止しているかを反映する値に、コアが実行状態にあるときに1クロック当たりに費やされるエネルギー量を乗算することによって求められる、請求項2に記載のプロセッサ。
  6. 前記プロセッサの各組のコアの属性を監視するためのモニタロジックをさらに備え、前記属性は1クロックサイクル当たりにリタイヤされる命令の数である、請求項1に記載のプロセッサ。
  7. 前記電力消費の大きさは、1クロックサイクル当たりにリタイヤされる命令の数に、1命令当たり、かつ、1クロック当たりに費やされるエネルギー量を乗算することによって求められる、請求項2に記載のプロセッサ。
  8. 前記プロセッサの各組のコアの属性を監視するためのモニタロジックをさらに備え、前記属性は前記コアの機能ブロックのアクティブステータスである、請求項1に記載のプロセッサ。
  9. 電力消費の大きさは、前記機能ブロックがアクティブであるのか又はアイドルであるのかを反映する値に、前記機能ブロックがアクティブであるときに1クロック当たりに費やされるエネルギー量を乗算することによって求められる、請求項8に記載のプロセッサ。
  10. 1命令当たりのエネルギーのメトリックに基づいて、低い性能を有する第2の組の複数のコアに含まれる第2のコアから高い性能を有する第1の組の複数のコアに含まれる第1のコアへ、スレッドマイグレーションロジックを介して、スレッドの実行をマイグレートすることを含む方法。
JP2011123762A 2004-09-28 2011-06-01 利用可能な並列性の量に従って1命令当たりのエネルギーを変化させるための方法及び装置 Active JP5465215B2 (ja)

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US10/952,627 US7437581B2 (en) 2004-09-28 2004-09-28 Method and apparatus for varying energy per instruction according to the amount of available parallelism
US10/952,627 2004-09-28

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JP2013123127A Division JP5709938B2 (ja) 2004-09-28 2013-06-11 プロセッサ、コンピュータシステム、および方法

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JP2011210275A JP2011210275A (ja) 2011-10-20
JP2011210275A5 true JP2011210275A5 (ja) 2012-12-20
JP5465215B2 JP5465215B2 (ja) 2014-04-09

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JP2007533787A Expired - Fee Related JP4898687B2 (ja) 2004-09-28 2005-09-28 利用可能な並列性の量に従って1命令当たりのエネルギーを変化させるための方法及び装置
JP2009232857A Pending JP2010092483A (ja) 2004-09-28 2009-10-06 利用可能な並列性の量に従って1命令当たりのエネルギーを変化させるための方法及び装置
JP2011123762A Active JP5465215B2 (ja) 2004-09-28 2011-06-01 利用可能な並列性の量に従って1命令当たりのエネルギーを変化させるための方法及び装置
JP2013123127A Active JP5709938B2 (ja) 2004-09-28 2013-06-11 プロセッサ、コンピュータシステム、および方法
JP2014204987A Active JP6049668B2 (ja) 2004-09-28 2014-10-03 利用可能な並列性の量に従って1命令当たりのエネルギーを変化させるためのシステム
JP2015257488A Active JP6289444B2 (ja) 2004-09-28 2015-12-28 利用可能な並列性の量に従って1命令当たりのエネルギーを変化させるための方法及び装置

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JP2009232857A Pending JP2010092483A (ja) 2004-09-28 2009-10-06 利用可能な並列性の量に従って1命令当たりのエネルギーを変化させるための方法及び装置

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JP2014204987A Active JP6049668B2 (ja) 2004-09-28 2014-10-03 利用可能な並列性の量に従って1命令当たりのエネルギーを変化させるためのシステム
JP2015257488A Active JP6289444B2 (ja) 2004-09-28 2015-12-28 利用可能な並列性の量に従って1命令当たりのエネルギーを変化させるための方法及び装置

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US (1) US7437581B2 (ja)
JP (6) JP4898687B2 (ja)
KR (1) KR100880060B1 (ja)
CN (1) CN100565426C (ja)
TW (1) TWI315847B (ja)
WO (1) WO2006037119A2 (ja)

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