KR100880060B1 - 가용 병렬 기능의 양에 따라 명령어 당 에너지를변화시키는 방법 및 장치 - Google Patents
가용 병렬 기능의 양에 따라 명령어 당 에너지를변화시키는 방법 및 장치 Download PDFInfo
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Abstract
Description
Claims (62)
- 적어도 하나의 큰 코어 및 복수의 작은 코어를 갖는 프로세서로서,상기 큰 코어의 속성 값을 모니터링하는 모니터 로직(monitor logic);상기 속성에 대응하여 상기 프로세서의 전력 소비량을 결정하는 변환 로직(convert logic); 및상기 큰 코어에 의해 실행되는 스레드들을 상기 작은 코어들 중 둘 이상의 작은 코어들로 이동시켜 병렬로 실행되도록 함으로써, 상기 전력 소비량에 대응하여 상기 프로세서의 명령 메트릭(instruction metric) 당 에너지를 조정하는 제어 로직(control logic)을 포함하는 프로세서.
- 제1항에 있어서,상기 코어의 상기 속성은 코어 동작 상태(core running state)인 프로세서.
- 제2항에 있어서,상기 전력 소비량은, 상기 코어 동작 상태에, 상기 코어가 상기 코어 동작 상태에 있는 경우 클럭 당 소비되는 에너지의 양을 곱함으로써 결정되는 프로세서.
- 제1항에 있어서,상기 코어의 상기 속성은 클럭 당 방출된 명령의 수인 프로세서.
- 제4항에 있어서,상기 전력 소비량은, 상기 클럭당 방출된 명령의 수에, 클럭 당 명령마다 소비된 에너지의 양을 곱함으로써 결정되는 프로세서.
- 제1항에 있어서,상기 코어의 상기 속성은 상기 코어의 기능 블록의 활성 상태(active state)인 프로세서.
- 제6항에 있어서,상기 전력 소비량은, 상기 기능 블록의 상기 활성 상태에, 상기 기능 블록이 상기 활성 상태에 있는 경우 클럭 당 소비되는 에너지의 양을 곱함으로써 결정되는 프로세서.
- 제1항에 있어서,상기 속성은 코어 공급 전류(core supply current)인 프로세서.
- 제8항에 있어서,상기 전력 소비량은 상기 코어 공급 전류를 포함하는 프로세서.
- 제1항에 있어서,상기 제어 로직은 상기 전력 소비량에 대응하여 상기 프로세서의 구동 전압 및 구동 주파수를 조정하는 프로세서.
- 삭제
- 제1항에 있어서,상기 제어 로직은 상기 전력 소비량에 대응하여 상기 프로세서의 상기 코어 내의 선택적 성능 회로(optional performance circuitry)를 턴온시키는 프로세서.
- 제1항에 있어서,상기 제어 로직은 상기 전력 소비량에 대응하여 상기 프로세서의 상기 코어 내의 선택적 추론 회로(optional speculation circuitry)를 턴온시키는 프로세서.
- 제1항에 있어서,상기 전력 소비량과 희망 전력 소비 사이의 차이를 산출하는 차이 로직(difference logic)을 더 포함하는 프로세서.
- 제14항에 있어서,상기 전력 소비량과 희망 전력 소비 간의 상기 차이의 시간 적분을 결정하는 적분 회로(integration circuitry)를 더 포함하는 프로세서.
- 제14항에 있어서,샘플링 방법에 따라 상기 제어 로직에게 상기 전력 소비량을 제공하는 샘플링 회로(sampling circuitry)를 더 포함하는 프로세서.
- 제1항에 있어서,빠른 피드백 제어를 가능케 하는 클럭 스로틀 회로(clock throttle circuitry)를 더 포함하는 프로세서.
- 프로세서로서,제1 유형의 복수의 제1 코어;제2 유형의 복수의 제2 코어; 및상기 제1 유형의 복수의 제1 코어 또는 상기 제2 유형의 복수의 제2 코어 중 하나에 복수의 스레드를 할당하는 모듈을 포함하고,상기 모듈은 전력 예산에 따라 상기 스레드를 할당하고, 상기 복수의 스레드는 상기 복수의 제2 코어에 할당되는 경우 병렬로 실행되며,상기 제1 유형의 코어들은 낮은 스레드 레벨 병렬 기능(thread-level parallelism) 상태에서 최적의 스칼라 성능(scalar performance)을 위해 동작하고, 상기 제2 유형의 코어들은 높은 스레드 레벨 병렬 기능 상태에서 최적의 처리량 성능(throughput performance)을 위해 동작하는, 프로세서.
- 삭제
- 제18항에 있어서,상기 모듈은 할당 테이블에 따라 상기 스레드를 할당하는 프로세서.
- 제18항에 있어서,상기 모듈은 신규 스레드를 상기 복수의 제2 코어 중 하나에 할당하고 기존 스레드를 상기 복수의 제1 코어 중 하나로부터 상기 복수의 제2 코어 중 하나로 이동시키는 스레드 이동 로직(thread migration logic)을 포함하는 프로세서.
- 제21항에 있어서,상기 스레드 이동 로직은 논리 코어를 물리 코어에 매핑하는 테이블을 포함하는 프로세서.
- 제21항에 있어서,상기 스레드 이동 로직은 운영체제 스케줄러에 대응하는 프로세서.
- 제18항에 있어서,상기 제1 유형의 코어는 설계에 의해 상기 제2 유형의 코어보다 높은 성능을 갖는 프로세서.
- 제18항에 있어서,상기 제1 유형의 코어는 구성에 의해 상기 제2 유형의 코어보다 높은 성능을 갖는 프로세서.
- 다중 코어 프로세서에 의한 스레드 할당을 제어하기 위한 방법으로서,하나 이상의 큰 코어와 둘 이상의 작은 코어를 포함하는 일련의 프로세서 코어에 일련의 스레드를 할당하는 단계;상기 프로세서 코어의 소비 전력을 모니터링하는 단계;상기 소비 전력과 희망 전력 간의 오차 값을 산출하는 단계; 및상기 오차 값에 기초하여, 상기 하나 이상의 큰 코어로부터 상기 스레드들이 병렬로 실행되는 상기 둘 이상의 작은 코어로, 상기 할당에서 천이(transitioning)하는 단계를 포함하는 방법.
- 제26항에 있어서,상기 천이 단계는 상기 일련의 프로세서 코어 내의 상기 큰 코어와 상기 복수의 작은 코어 사이에서 상기 일련의 스레드의 상기 할당을 변경시키는 단계를 포함하는 방법.
- 삭제
- 제26항에 있어서,상기 오차 값을 시간에 대해 적분하는 단계를 더 포함하는 방법.
- 제26항에 있어서,상기 오차 값을 시간에 대해 샘플링하는 단계를 더 포함하는 방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 시스템으로서, 상기 시스템은,큰 코어 및 복수의 작은 코어를 갖는 프로세서로서상기 큰 코어의 속성 값을 모니터링하는 모니터 로직,상기 속성에 대응하여 상기 프로세서의 전력 소비량을 결정하는 변환 로직, 및상기 큰 코어에 의해 실행되는 스레드들을 상기 작은 코어들 중 둘 이상의 작은 코어들로 이동시켜 병렬로 실행되도록 함으로써, 상기 전력 소비량에 대응하여 상기 프로세서의 명령 메트릭 당 에너지를 조정하는 제어 로직을 포함하는 프로세서;오디오 입출력 로직; 및상기 프로세서를 상기 오디오 입출력 로직에 연결하는 인터페이스를 포함하는 시스템.
- 제37항에 있어서,상기 코어의 상기 속성은 코어 동작 상태이고, 상기 전력 소비량은 상기 코 어 동작 상태에, 상기 코어가 상기 코어 동작 상태에 있는 경우 클럭 당 소비되는 에너지의 양을 곱함으로써 결정되는 시스템.
- 제37항에 있어서,상기 코어의 상기 속성은 클럭 당 방출된 명령의 수이고, 상기 전력 소비량은 상기 클럭 당 방출된 명령의 수에, 클럭 당 명령마다 소비된 에너지의 양을 곱함으로써 결정되는 시스템.
- 제37항에 있어서,상기 코어의 상기 속성은 상기 코어의 기능 블록의 활성 상태이고, 상기 전력 소비량은 상기 기능 블록의 상기 활성 상태에, 상기 기능 블록이 상기 활성 상태에 있는 경우 클럭 당 소비된 에너지의 양을 곱함으로써 결정되는 시스템.
- 제37항에 있어서,상기 속성은 코어 공급 전류이고, 상기 전력 소비량은 상기 코어 공급 전류를 포함하는 시스템.
- 제37항에 있어서,상기 제어 로직은 상기 전력 소비량에 대응하여 상기 프로세서의 구동 전압 및 구동 주파수를 조정하는 시스템.
- 제37항에 있어서,상기 제어 로직은 상기 전력 소비량에 대응하여 상기 프로세서의 큰 코어 및 작은 코어 사이에서 프로그램의 스레드를 이동시키는 시스템.
- 제37항에 있어서,상기 제어 로직은 상기 전력 소비량에 대응하여 상기 프로세서의 상기 코어 내의 선택적 성능 회로를 턴온시키는 시스템.
- 제37항에 있어서,상기 제어 로직은 상기 전력 소비량에 대응하여 상기 프로세서의 상기 코어 내의 선택적 추론 회로를 턴온시키는 시스템.
- 제45항에 있어서,샘플링 방법에 따라 상기 제어 로직에게 상기 전력 소비량을 제공하는 샘플링 회로를 더 포함하는 시스템.
- 시스템으로서,제1 유형의 복수의 제1 코어, 제2 유형의 복수의 제2 코어, 및 상기 제1 유형의 복수의 제1 코어 또는 상기 제2 유형의 복수의 제2 코어 중 하나에 복수의 스레드를 할당하는 모듈을 포함하는 프로세서;오디오 입출력 로직; 및상기 프로세서를 상기 오디오 입출력 로직에 연결하는 인터페이스를 포함하고,상기 모듈은 전력 예산에 따라 상기 스레드를 할당하고, 상기 복수의 스레드는 상기 복수의 제2 코어에 할당되는 경우 병렬로 실행되는 시스템.
- 제47항에 있어서,상기 모듈은 전력 예산에 따라 상기 스레드를 할당하는 시스템.
- 제47항에 있어서,상기 모듈은 할당 테이블에 따라 상기 스레드를 할당하는 시스템.
- 제47항에 있어서,상기 모듈은 신규 스레드를 상기 복수의 제2 코어 중 하나에 할당하고 기존 스레드를 상기 복수의 제1 코어 중 하나로부터 상기 복수의 제2 코어 중 하나로 이동시키는 스레드 이동 로직을 포함하는 시스템.
- 제50항에 있어서,상기 스레드 이동 로직은 논리 코어를 물리 코어에 매핑하는 테이블을 포함하는 시스템.
- 큰 코어 및 복수의 작은 코어를 포함하는 일련의 프로세서 코어에 일련의 스레드를 할당하는 수단;상기 프로세서 코어의 소비 전력을 모니터링하는 수단;상기 소비 전력과 희망 전력 간의 오차 값을 산출하는 수단; 및상기 큰 코어에 의해 실행되는 스레드들을 상기 작은 코어들 중 둘 이상의 작은 코어들로 이동시켜 병렬로 실행되도록 함으로써, 상기 오차 값에 기초하여 상기 할당에서 천이하는 수단을 포함하는 프로세서.
- 제52항에 있어서,상기 천이 수단은 상기 일련의 프로세서 코어 내의 상기 큰 코어와 상기 복수의 작은 코어 사이에서 상기 일련의 스레드의 상기 할당을 변경시키는 수단을 포함하는 프로세서.
- 제52항에 있어서,상기 오차 값을 시간에 대하여 적분하는 수단을 더 포함하는 프로세서.
- 제52항에 있어서,상기 오차 값을 시간에 대하여 샘플링하는 수단을 더 포함하는 프로세서.
- 삭제
- 삭제
- 삭제
- 삭제
- 제37항에 있어서,상기 전력 소비량과 희망 전력 소비 사이의 차이를 산출하는 차이 로직을 더 포함하는 시스템.
- 제60항에 있어서,상기 전력 소비량과 희망 전력 소비 간의 상기 차이의 시간 적분을 결정하는 적분 회로를 더 포함하는 시스템.
- 제52항에 있어서,상기 천이 수단은 상기 일련의 프로세서 코어 내의 상기 큰 코어와 상기 복수의 작은 코어 사이에서 상기 일련의 스레드의 상기 할당을 변경시키는 수단을 포함하는 프로세서.
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