JP3983250B2 - 演算処理方法および演算処理装置 - Google Patents
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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
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Description
TA(熱特性)は、コンポーネントの電力密度または電力消費(P)が、サイズまたはスペース(S)で割られ、温度の推定に使われる因数または定数(k)がかけられたものと等しい。
Claims (12)
- 第1の処理デバイスが第1のクロックスピードで第1演算を実行した場合に前記第1の処理デバイスの温度が所定の閾値を超えるか否かを判定するステップと、
第1演算を実行することにより前記第1の処理デバイスの温度が所定の閾値を超える場合、第1演算を実行する前記第1の処理デバイスと第1演算よりも優先度の低い第2演算を実行する第2の処理デバイスとの間で第1演算と第2演算とを交換するステップと、
前記第1の処理デバイスにおいて、第1のクロックスピードよりも低い第2のクロックスピードで第2演算を実行するステップと、
を備えることを特徴とする演算処理方法。 - 前記第2の処理デバイスにおいて、第1のクロックスピードよりも高い第3のクロックスピードで第1演算を実行するステップをさらに備えることを特徴とする請求項1に記載の演算処理方法。
- 前記第1の処理デバイスが第1のクロックスピードで第1演算を実行した場合に前記第1の処理デバイスの温度が所定の閾値を超えるか否かの判定は、第1演算を実行した後の前記第1の処理デバイスの温度変化を示す第1演算の熱特性を利用して実施されることを特徴とする請求項1または2に記載の演算処理方法。
- 第1の処理デバイスが第1のクロックスピードで第1演算を実行した場合に前記第1の処理デバイスの温度が所定の閾値を超えるか否かを判定するステップと、
第1演算を実行することにより前記第1の処理デバイスの温度が所定の閾値を超える場合、第1演算を実行する前記第1の処理デバイスと第1演算よりも優先度の低い第2演算を実行する第2の処理デバイスとの間で第1演算と第2演算とを交換するステップと、
前記第1の処理デバイスにおいて、前記第1の処理デバイスの温度が所定の閾値以下に低下するまで第2演算の実行を停止するステップと、
を備えることを特徴とする演算処理方法。 - 前記第2の処理デバイスにおいて、第1のクロックスピードよりも高い第3のクロックスピードで第1演算を実行するステップをさらに備えることを特徴とする請求項4に記載の演算処理方法。
- 前記第1の処理デバイスが第1のクロックスピードで第1演算を実行した場合に前記第1の処理デバイスの温度が所定の閾値を超えるか否かの判定は、第1演算を実行した後の前記第1の処理デバイスの温度変化を示す第1演算の熱特性を利用して実施されることを特徴とする請求項4または5に記載の演算処理方法。
- 複数の処理デバイスを含む演算処理装置において、
第1の処理デバイスは、第1のクロックスピードで第1演算を実行した場合に前記第1の処理デバイスの温度が所定の閾値を超えるか否かを判定し、前記第1の処理デバイスの温度が所定の閾値を超える場合、第1演算よりも優先度の低い第2演算を実行する第2の処理デバイスとの間で第1演算と第2演算とを交換し、第1のクロックスピードよりも低い第2のクロックスピードで第2演算を実行することを特徴とする演算処理装置。 - 前記第2の処理デバイスは、第1のクロックスピードよりも高い第3のクロックスピードで第1演算を実行することを特徴とする請求項7に記載の演算処理装置。
- 前記第1の処理デバイスは、第1演算を実行した後の前記第1の処理デバイスの温度変化を示す第1演算の熱特性を利用して、第1のクロックスピードで第1演算を実行した場合に前記第1の処理デバイスの温度が所定の閾値を超えるか否かを判定することを特徴とする請求項7または8に記載の演算処理装置。
- 複数の処理デバイスを含む演算処理装置において、
第1の処理デバイスは、第1のクロックスピードで第1演算を実行した場合に前記第1の処理デバイスの温度が所定の閾値を超えるか否かを判定し、前記第1の処理デバイスの温度が所定の閾値を超える場合、第1演算よりも優先度の低い第2演算を実行する第2の処理デバイスとの間で第1演算と第2演算とを交換し、前記第1の処理デバイスの温度が所定の閾値以下に低下するまで第2演算の実行を停止することを特徴とする演算処理装置。 - 前記第2の処理デバイスは、第1のクロックスピードよりも高い第3のクロックスピードで第1演算を実行することを特徴とする請求項10に記載の演算処理装置。
- 前記第1の処理デバイスは、第1演算を実行した後の前記第1の処理デバイスの温度変化を示す第1演算の熱特性を利用して、第1のクロックスピードで第1演算を実行した場合に前記第1の処理デバイスの温度が所定の閾値を超えるか否かを判定することを特徴とする請求項10または11に記載の演算処理装置。
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US20050216775A1 (en) | 2005-09-29 |
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