JP2012198922A - ディジタル・パワー・スロットルを備えたマイクロプロセッサ - Google Patents
ディジタル・パワー・スロットルを備えたマイクロプロセッサ Download PDFInfo
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
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- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/329—Power saving characterised by the action undertaken by task scheduling
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
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Abstract
【解決手段】 本発明は、プロセッサ内の電力消費を調整するためのディジタルベースのメカニズムを提供する。このプロセッサは、1つまたは複数の機能ユニットと、プロセッサの機能ユニットの活動状態を監視して、プロセッサの電力消費を推定するディジタル・スロットルとを含む。このディジタル・スロットルの一実施形態は、1つまたは複数のゲート・ユニットと、1つの監視回路(320)と、1つのスロットル回路(330)とを含む。各ゲート・ユニットは、プロセッサの機能ユニットへの電力送付を制御し、その関連機能ユニットの活動状態を示す信号を出力する。監視回路は、信号から推定電力消費レベルを決定し、その推定電力消費としきい電力レベルを比較する。推定電力消費レベルがしきい電力レベルを超える場合、スロットル回路はプロセッサ内の命令フローを調整する。
【選択図】図3
Description
Claims (21)
- 複数の機能ユニットと、
前記複数の機能ユニットのそれぞれに対する電力供給を制御し、前記複数の機能ユニットに供給された電力レベルを示す信号を出力する複数のゲート回路と、
示された前記電力レベルを反映した推定電力レベルをしきい電力レベルと比較する監視回路と、
前記推定電力レベルが前記しきい電力レベルを超えた場合にプロセッサ内の命令フローを調整するスロットル回路とを含む、プロセッサ。 - 前記複数の機能ユニットが、プロセッサ用の命令実行パイプラインを形成する請求項1に記載のプロセッサ。
- 各ゲート回路が前記複数の機能ユニットのうちの対応する1つの機能ユニットへの電力供給を制御する請求項2に記載のプロセッサ。
- スロットル回路がプロセッサ・パイプラインにバブルを注入して、プロセッサ内の命令フローを調整する請求項3に記載のプロセッサ。
- 前記信号によって示される電力レベルは、機能ユニットが動作状態であるときの機能ユニットの電力消費レベルを表す請求項1に記載のプロセッサ。
- スロットル回路が、ゲート回路によって出力されるクロックのデューティ・サイクルを低減して、プロセッサを通る命令フローを調整する請求項1に記載のプロセッサ。
- プロセッサ内の電力消費を制御する方法であって、
前記プロセッサ内のゲート回路から電力信号を収集し、
収集した前記電力信号に応じて推定電力消費レベルを調整し、
前記推定電力消費レベルをしきい電力消費レベルと比較し、
前記推定電力消費レベルが前記しきい電力消費レベルを超えるときに前記プロセッサによる命令実行速度を調整することを含む方法。 - 前記命令実行速度を調整する前に、選択した周期の間、前記推定電力消費レベルを累積することをさらに含む請求項7に記載の方法。
- 前記電力信号を収集することが、ゲート回路に関連する機能ユニットに現在供給されている電力レベルを示す信号を収集することを含む請求項7に記載の方法。
- 各ゲート回路が、それに関連する機能ユニットに出力されたクロック信号を制御する請求項7に記載の方法。
- 前記命令実行速度を調整することが、前記ゲート回路によって出力されたクロック信号を特徴づけるデューティ・サイクルを調整することを含む請求項10に記載の方法。
- 前記推定電力消費レベルを累積することが、プロセッサ・クロックの選択したサイクル数について推定電力消費レベルを累積することを含む請求項8に記載の方法。
- 前記請求項1ないし3のいずれかに記載されたプロセッサと、
前記プロセッサにより実行する命令を記憶するメモリ・システムとからなるコンピュータ・システム。 - 複数の機能ユニットと、
複数のゲート・ユニットであって、各ゲート・ユニットが前記複数の機能ユニットのうちの関連する1つへの電力供給を制御し、前記複数の機能ユニットに供給された電力レベルを示す信号を出力する複数のゲート・ユニットと、
示された前記電力レベルを反映した推定電力レベルをしきい電力レベルと比較する監視回路と、
前記推定電力レベルが前記しきい電力レベルを超えた場合にプロセッサ内の命令フローを調整するスロットル回路とを含むプロセッサ。 - 監視回路が前記推定電力消費レベルをしきい値と比較し、比較の表示を行う請求項14に記載のプロセッサ。
- 前記複数の機能ユニットが命令実行パイプラインを形成し、前記プロセッサが、命令実行パイプライン内の命令のタイプに応じて前記複数の機能ユニットの活動状態を示すパイプライン制御モジュールをさらに含む請求項14に記載のプロセッサ。
- 前記スロットル回路が、前記複数の機能ユニットの活動状態を使用してプロセッサの電力消費レベルを推定する監視回路をさらに含む請求項16に記載のプロセッサ。
- 機能ユニットと、
前記機能ユニットに対する電力供給を制御し、前記機能ユニットに供給された電力レベルを示す信号を出力するゲート回路と、
示された前記電力レベルを反映した推定電力レベルをしきい電力レベルと比較する監視回路と、
前記推定電力レベルが前記しきい電力レベルを超えた場合にプロセッサ内の命令フローを調整するスロットル回路とを含むプロセッサであって、
前記スロットル回路は、前記機能ユニットを有するプロセッサパイプラインにバブルを注入して、プロセッサ内の命令実行速度を調整するプロセッサ。 - 単一のプロセッサ・チップ上で複数の実行コアを有するプロセッサ内の電力消費を制御する方法であって、
プロセッサ内の複数のゲート回路から、前記複数のゲート回路に関連する複数の機能ユニットに現在供給されている電力レベルを示す電力信号を収集し、
前記収集した電力信号に応じて推定電力消費レベルを調整し、
前記推定電力消費レベルをしきい電力消費レベルと比較し、
累積された推定電力消費レベルが前記しきい電力消費レベルを超えるときに前記プロセッサによる命令実行速度を調整することを含み、
前記複数の機能ユニットは、第1の実行コアの第1パイプラインの一部であり、第2の実行コアは、機能ユニットの第2のセットを備えた第2のパイプラインを有し、
前記プロセッサにより前記命令実行速度を調整することは、前記第1の実行コアと前記第2の実行コアにより共有される共有デジタル・スロットルにより実行され、前記第1及び第2のパイプラインの両者の前記機能ユニットにおいて命令実行速度を調整することを含む方法。 - 1つまたは複数の機能ユニットを有する第1の実行コアと、
1つまたは複数の機能ユニットを有する第2の実行コアと、
プロセッサの前記第1の実行コアに対する電力消費レベルを示す、前記第1の実行コアの1つまたは複数の機能ユニットの活動状態を監視する前記第1の実行コアの第1のデジタル・スロットルと、
前記第1の実行コアの1つまたは複数の機能ユニットの前記示された活動状態より、前記プロセッサの前記第1の実行コアの前記電力消費レベルを決定する監視回路と、
前記第2の実行コアの第2のデジタル・スロットルと、
を備え、
前記第1のデジタル・スロットルは、1つまたは複数のゲート回路を有し、各ゲート回路は前記第1の実行コアの前記機能ユニットのうち関連する1つへの電力供給を制御し、前記関連する機能ユニットに対する活動状態を示すことを特徴とするプロセッサ。 - 機能ユニットと、
前記機能ユニットに対する電力供給を制御し、前記機能ユニットに供給された電力レベルを示す信号を出力するゲート回路と、
示された前記電力レベルを反映した推定電力レベルをしきい電力レベルと比較する監視回路と、
前記推定電力レベルが前記しきい電力レベルを超えた場合にプロセッサ内の命令フローを調整するスロットル回路と、
を備え、
前記スロットル回路は、前記命令フローを調整するために前記プロセッサのクロックの周波数を低減させ、前記推定電力レベルが前記しきい電力レベルを超えた量に基づいてスロットリングすることを特徴とするプロセッサ。
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US09/471,795 | 1999-12-23 | ||
US09/471,795 US6564328B1 (en) | 1999-12-23 | 1999-12-23 | Microprocessor with digital power throttle |
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JP2014002324A Division JP6042830B2 (ja) | 1999-12-23 | 2014-01-09 | プロセッサおよびプロセッサ内の電力消費を推定する方法 |
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JP2001549170A Expired - Fee Related JP5073903B2 (ja) | 1999-12-23 | 2000-11-21 | ディジタル・パワー・スロットルを備えたマイクロプロセッサ |
JP2012130447A Expired - Fee Related JP5650689B2 (ja) | 1999-12-23 | 2012-06-08 | ディジタル・パワー・スロットルを備えたマイクロプロセッサ |
JP2014002324A Expired - Fee Related JP6042830B2 (ja) | 1999-12-23 | 2014-01-09 | プロセッサおよびプロセッサ内の電力消費を推定する方法 |
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US (1) | US6564328B1 (ja) |
EP (1) | EP1259870B1 (ja) |
JP (3) | JP5073903B2 (ja) |
KR (1) | KR100511110B1 (ja) |
CN (2) | CN101520725B (ja) |
AT (1) | ATE460698T1 (ja) |
AU (1) | AU1626601A (ja) |
DE (1) | DE60043996D1 (ja) |
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Also Published As
Publication number | Publication date |
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HK1046561A1 (en) | 2003-01-17 |
JP5650689B2 (ja) | 2015-01-07 |
CN100492252C (zh) | 2009-05-27 |
JP6042830B2 (ja) | 2016-12-14 |
CN101520725B (zh) | 2012-02-15 |
DE60043996D1 (de) | 2010-04-22 |
JP5073903B2 (ja) | 2012-11-14 |
KR100511110B1 (ko) | 2005-08-31 |
KR20020062986A (ko) | 2002-07-31 |
JP2014112399A (ja) | 2014-06-19 |
TW512261B (en) | 2002-12-01 |
ATE460698T1 (de) | 2010-03-15 |
EP1259870B1 (en) | 2010-03-10 |
CN101520725A (zh) | 2009-09-02 |
GB0214785D0 (en) | 2002-08-07 |
JP2003523563A (ja) | 2003-08-05 |
WO2001048584A1 (en) | 2001-07-05 |
EP1259870A1 (en) | 2002-11-27 |
CN1434934A (zh) | 2003-08-06 |
US6564328B1 (en) | 2003-05-13 |
HK1046561B (zh) | 2005-06-03 |
GB2373896A (en) | 2002-10-02 |
AU1626601A (en) | 2001-07-09 |
GB2373896C (en) | 2013-02-13 |
GB2373896B (en) | 2004-11-03 |
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