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http://dbpedia.org/ontology/abstract 效能功耗比(Performance per watt)是一種測量计算机系统结构或电脑效能功耗比(Performance per watt)是一種測量计算机系统结构或电脑硬件能量轉換效率的方法。效能功耗比有非常多種算法,不過大多使用熱能來計算。 所使用的性能和功耗指標取決於定義; 合理的性能衡量標準是FLOPS,MIPS或任何性能基準的得分。取決於度量的目的,可以採用幾種用電量度量; 例如,度量標準可能只考慮直接傳遞給機器的電力,而另一個可能包括運行計算機所需的全部電力,例如冷卻和監控系統。功率測量通常是運行基準時使用的平均功率,但也可以採用其他功率使用度量(例如峰值功率,空閒功率)。 例如,早期的UNIVAC I計算機每瓦特秒執行約0.015次操作(執行每秒1,905次操作(OPS),同時消耗125千瓦)。2005年發布的4 FR550核心版本的芯片上的富士通 FR-V VLIW / 并行向量處理器 系統執行51 Giga-OPS功耗為3瓦,每瓦功率為170億次。這是54年來超過一萬億次的改善。 計算機使用的大部分功率都轉換為熱量,因此需要較少瓦特來完成工作的系統將需要較少的冷卻來維持給定的工作溫度。降低冷卻需求可以使計算機更安靜。降低能耗還可以降低運行成本,並減少為計算機供電帶來的環境影響(請參閱綠色計算)。如果安裝在氣候控制有限的地方,較低功率的計算機將在較低的溫度下運行,這可能使其更加可靠。在氣候控制的環境中,減少直接用電也可能節省氣候控制能源。 計算能耗有時也通過報告運行特定基準所需的能量來衡量,例如EEMBC(嵌入式微處理器基準聯盟) 能量基準。標準工作負荷的能耗數據可能會更容易判斷電效率。 由於1瓦= 1焦耳/秒,每瓦性能(每秒操作)也可以寫成操作/瓦特秒或操作/焦耳。。 由於1瓦= 1焦耳/秒,每瓦性能(每秒操作)也可以寫成操作/瓦特秒或操作/焦耳。 , En informatique, la performance par watt eEn informatique, la performance par watt est une mesure de l'efficacité énergétique d'un ordinateur. Celle-ci mesure la puissance de calcul délivrée par un ordinateur pour chaque watt consommé. Le terme de performance n'est pas objectif, puisqu'il dépend du type de charge de travail demandé. Cependant, la liste Green 500 classant les supercalculateurs les plus efficaces utilise un seul test de performance. Les architectes systèmes utilisant des systèmes parallèles utilisent des notions de performance par watt pour choisir leurs processeurs, le coût d'alimentation du CPU dépassant son prix d'achat.ntation du CPU dépassant son prix d'achat. , 전성비(電性比; 전력 대비 성능 비율)는 일정 전력당 얼마만큼의 연산을 하는가에 대한 상대적 지표이다. 주로 중앙처리장치, 그래픽 카드에 쓰인다. , In computing, performance per watt is a meIn computing, performance per watt is a measure of the energy efficiency of a particular computer architecture or computer hardware. Literally, it measures the rate of computation that can be delivered by a computer for every watt of power consumed. This rate is typically measured by performance on the LINPACK benchmark when trying to compare between computing systems: an example using this is the Green500 list of supercomputers. Performance per watt has been suggested to be a more sustainable measure of computing than Moore’s Law. System designers building parallel computers, such as Google's hardware, pick CPUs based on their performance per watt of power, because the cost of powering the CPU outweighs the cost of the CPU itself. Spaceflight computers have hard limits on the maximum power available and also have hard requirements on minimum real-time performance. A ratio of processing speed to required electrical power is more useful than raw processing speed. is more useful than raw processing speed. , Prestatie per watt is in de computerwereldPrestatie per watt is in de computerwereld een maatstaf voor het rendement of energie-efficiëntie van een bepaalde computerarchitectuur of computerhardware. Letterlijk meet het de rekensnelheid die door een computer kan worden geleverd voor elke watt aan stroom die wordt verbruikt. Deze snelheid wordt doorgaans gemeten aan de hand van de prestaties op de LINPACK-benchmark bij het vergelijken van computersystemen. Systeemontwerpers die parallelle computers bouwen, zoals de hardware in datacenters van Google, kiezen processors (CPU) op basis van hun prestaties per watt vermogen, omdat de kosten van de stroomvoorziening opwegen tegen de kosten van de CPU zelf.g opwegen tegen de kosten van de CPU zelf.
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rdfs:comment In computing, performance per watt is a meIn computing, performance per watt is a measure of the energy efficiency of a particular computer architecture or computer hardware. Literally, it measures the rate of computation that can be delivered by a computer for every watt of power consumed. This rate is typically measured by performance on the LINPACK benchmark when trying to compare between computing systems: an example using this is the Green500 list of supercomputers. Performance per watt has been suggested to be a more sustainable measure of computing than Moore’s Law.ble measure of computing than Moore’s Law. , En informatique, la performance par watt eEn informatique, la performance par watt est une mesure de l'efficacité énergétique d'un ordinateur. Celle-ci mesure la puissance de calcul délivrée par un ordinateur pour chaque watt consommé. Le terme de performance n'est pas objectif, puisqu'il dépend du type de charge de travail demandé. Cependant, la liste Green 500 classant les supercalculateurs les plus efficaces utilise un seul test de performance.caces utilise un seul test de performance. , 效能功耗比(Performance per watt)是一種測量计算机系统结构或电脑效能功耗比(Performance per watt)是一種測量计算机系统结构或电脑硬件能量轉換效率的方法。效能功耗比有非常多種算法,不過大多使用熱能來計算。 所使用的性能和功耗指標取決於定義; 合理的性能衡量標準是FLOPS,MIPS或任何性能基準的得分。取決於度量的目的,可以採用幾種用電量度量; 例如,度量標準可能只考慮直接傳遞給機器的電力,而另一個可能包括運行計算機所需的全部電力,例如冷卻和監控系統。功率測量通常是運行基準時使用的平均功率,但也可以採用其他功率使用度量(例如峰值功率,空閒功率)。 例如,早期的UNIVAC I計算機每瓦特秒執行約0.015次操作(執行每秒1,905次操作(OPS),同時消耗125千瓦)。2005年發布的4 FR550核心版本的芯片上的富士通 FR-V VLIW / 并行向量處理器 系統執行51 Giga-OPS功耗為3瓦,每瓦功率為170億次。這是54年來超過一萬億次的改善。 計算機使用的大部分功率都轉換為熱量,因此需要較少瓦特來完成工作的系統將需要較少的冷卻來維持給定的工作溫度。降低冷卻需求可以使計算機更安靜。降低能耗還可以降低運行成本,並減少為計算機供電帶來的環境影響(請參閱綠色計算)。如果安裝在氣候控制有限的地方,較低功率的計算機將在較低的溫度下運行,這可能使其更加可靠。在氣候控制的環境中,減少直接用電也可能節省氣候控制能源。下運行,這可能使其更加可靠。在氣候控制的環境中,減少直接用電也可能節省氣候控制能源。 , 전성비(電性比; 전력 대비 성능 비율)는 일정 전력당 얼마만큼의 연산을 하는가에 대한 상대적 지표이다. 주로 중앙처리장치, 그래픽 카드에 쓰인다. , Prestatie per watt is in de computerwereldPrestatie per watt is in de computerwereld een maatstaf voor het rendement of energie-efficiëntie van een bepaalde computerarchitectuur of computerhardware. Letterlijk meet het de rekensnelheid die door een computer kan worden geleverd voor elke watt aan stroom die wordt verbruikt. Deze snelheid wordt doorgaans gemeten aan de hand van de prestaties op de LINPACK-benchmark bij het vergelijken van computersystemen. bij het vergelijken van computersystemen.
rdfs:label Performance per watt , 效能功耗比 , Rendiment per watt , Performance par watt , 전성비 , Prestatie per watt
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