KR20020007294A - 대기동안에 다른 데이터 처리 유닛의 메모리로의 액세스를가지는 데이터 처리 유닛 - Google Patents
대기동안에 다른 데이터 처리 유닛의 메모리로의 액세스를가지는 데이터 처리 유닛 Download PDFInfo
- Publication number
- KR20020007294A KR20020007294A KR1020017009221A KR20017009221A KR20020007294A KR 20020007294 A KR20020007294 A KR 20020007294A KR 1020017009221 A KR1020017009221 A KR 1020017009221A KR 20017009221 A KR20017009221 A KR 20017009221A KR 20020007294 A KR20020007294 A KR 20020007294A
- Authority
- KR
- South Korea
- Prior art keywords
- data processing
- processing unit
- memory
- power mode
- reduced power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0888—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches using selective caching, e.g. bypass
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- 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
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- 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
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- 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
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3275—Power saving in memory, e.g. RAM, cache
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
- G06F12/084—Multiuser, multiprocessor or multiprocessing cache systems with a shared cache
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/10—Providing a specific technical effect
- G06F2212/1028—Power efficiency
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Power Sources (AREA)
Abstract
Description
Claims (8)
- 제 1 데이터 처리 유닛에 속하는 메모리로의 액세스를 가지는 상기 제 1 데이터 처리 유닛 및 상기 제 1 데이터 처리 유닛에 속하는 메모리로의 액세스를 가지는 제 2 데이터 처리 유닛을 포함하는 감소된 전력 모드(a reduced-power mode)에 위치할 수 있는 데이터 처리 시스템에 있어서,상기 데이터 처리 시스템의 감소된 전력 모드에서 상기 제 1 데이터 처리 유닛은 상기 제 2 데이터 처리 유닛에 상기 제 1 데이터 처리 유닛에 속하는 상기 메모리로의 액세스를 제공하도록 배열되는 데이터 처리 시스템.
- 제 1 항에 있어서,상기 데이터 처리 시스템의 감소된 전력 모드가 상기 제 1 데이터 처리 유닛의 감소된 전력 모드를 의미하는 시간 주기에서 상기 제 1 데이터 처리 유닛은 상기 제 2 데이터 처리 유닛에 상기 제 1 데이터 처리 유닛에 속하는 상기 메모리로의 액세스를 제공하도록 배열되는 데이터 처리 시스템.
- 제 1 항 또는 제 2 항에 있어서,상기 제 2 데이터 처리 유닛에 속하는 메모리가 스위치 오프(switch off)되는 경우에 상기 제 1 데이터 처리 유닛은 상기 제 2 데이터 처리 유닛에 상기 제 1 데이터 처리 유닛에 속하는 상기 메모리로의 액세스를 제공하도록 배열되는 데이터 처리 시스템.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 제 1 데이터 처리 유닛에 속하는 상기 메모리가 상기 제 1 데이터 처리 유닛의 일부를 형성하는 데이터 처리 시스템.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 제 1 데이터 처리 유닛에 속하는 상기 메모리가 캐쉬 메모리(a cache memory)인 데이터 처리 시스템.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 제 1 데이터 처리 유닛은 마이크로프로세서(a microprocessor)인 데이터 처리 시스템.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 제 2 데이터 처리 유닛은 비디오 제어기(a video controller)인 데이터 처리 시스템.
- 데이터 처리 유닛이 감소된 전력 모드에 위치할 수 있는 상기 데이터 처리 유닛에 속하는 메모리로의 액세스를 가지는 데이터 처리 유닛에 있어서,상기 데이터 처리 유닛은 상기 감소된 전력 모드에서 상기 데이터 처리 유닛에 속하는 상기 메모리로의 액세스를 제공하도록 배열되는 데이터 처리 시스템.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99203936 | 1999-11-24 | ||
| EP99203936.2 | 1999-11-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020007294A true KR20020007294A (ko) | 2002-01-26 |
| KR100769557B1 KR100769557B1 (ko) | 2007-10-23 |
Family
ID=8240902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020017009221A Expired - Fee Related KR100769557B1 (ko) | 1999-11-24 | 2000-11-15 | 데이터 처리 시스템 및 데이터 처리 유닛 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6963987B1 (ko) |
| EP (1) | EP1157370B1 (ko) |
| JP (1) | JP2003515831A (ko) |
| KR (1) | KR100769557B1 (ko) |
| CN (1) | CN1188795C (ko) |
| WO (1) | WO2001039164A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8041848B2 (en) | 2008-08-04 | 2011-10-18 | Apple Inc. | Media processing method and device |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7230933B2 (en) * | 2002-04-17 | 2007-06-12 | Microsoft Corporation | Reducing idle power consumption in a networked battery operated device |
| JP4180834B2 (ja) * | 2002-05-01 | 2008-11-12 | 富士通株式会社 | 情報処理装置および情報処理プログラム |
| JP2006502488A (ja) * | 2002-10-11 | 2006-01-19 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 省電力vliwプロセッサ |
| TWI242970B (en) * | 2004-04-02 | 2005-11-01 | Htc Corp | Frame refreshing method and handheld electronic device using the method |
| DE102005016830A1 (de) * | 2004-04-14 | 2005-11-03 | Denso Corp., Kariya | Halbleitervorrichtung und Verfahren zu ihrer Herstellung |
| EP1626328A1 (en) * | 2004-08-13 | 2006-02-15 | Dialog Semiconductor GmbH | Power saving during idle loop |
| EP1640966B1 (en) * | 2004-09-23 | 2012-09-19 | HTC Corporation | Frame refresh method and circuit |
| US7222253B2 (en) * | 2004-12-28 | 2007-05-22 | Intel Corporation | Dynamic power control for reducing voltage level of graphics controller component of memory controller based on its degree of idleness |
| US7373537B2 (en) * | 2005-06-28 | 2008-05-13 | Intel Corporation | Response to wake event while a system is in reduced power consumption state |
| US7958312B2 (en) | 2005-11-15 | 2011-06-07 | Oracle America, Inc. | Small and power-efficient cache that can provide data for background DMA devices while the processor is in a low-power state |
| CN101356511B (zh) * | 2005-11-15 | 2012-01-11 | 太阳微系统有限公司 | 通过dram存取的功率转换 |
| US7899990B2 (en) | 2005-11-15 | 2011-03-01 | Oracle America, Inc. | Power conservation via DRAM access |
| US7516274B2 (en) | 2005-11-15 | 2009-04-07 | Sun Microsystems, Inc. | Power conservation via DRAM access reduction |
| US7934054B1 (en) | 2005-11-15 | 2011-04-26 | Oracle America, Inc. | Re-fetching cache memory enabling alternative operational modes |
| US7873788B1 (en) | 2005-11-15 | 2011-01-18 | Oracle America, Inc. | Re-fetching cache memory having coherent re-fetching |
| ATE548696T1 (de) * | 2005-11-15 | 2012-03-15 | Oracle America Inc | Energieeinsparung über dram-zugang |
| US7536511B2 (en) * | 2006-07-07 | 2009-05-19 | Advanced Micro Devices, Inc. | CPU mode-based cache allocation for image data |
| KR101330121B1 (ko) | 2006-10-30 | 2013-11-26 | 삼성전자주식회사 | 컴퓨터시스템 및 그 제어방법 |
| US9128842B2 (en) * | 2012-09-28 | 2015-09-08 | Intel Corporation | Apparatus and method for reducing the flushing time of a cache |
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| KR940004434A (ko) * | 1992-08-25 | 1994-03-15 | 윌리엄 이. 힐러 | 스마트 다이나믹 랜덤 억세스 메모리 및 그 처리방법 |
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-
2000
- 2000-11-15 JP JP2001540752A patent/JP2003515831A/ja not_active Withdrawn
- 2000-11-15 EP EP00974554.8A patent/EP1157370B1/en not_active Expired - Lifetime
- 2000-11-15 WO PCT/EP2000/011428 patent/WO2001039164A1/en not_active Ceased
- 2000-11-15 KR KR1020017009221A patent/KR100769557B1/ko not_active Expired - Fee Related
- 2000-11-15 CN CNB008053197A patent/CN1188795C/zh not_active Expired - Fee Related
- 2000-11-21 US US09/717,966 patent/US6963987B1/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8041848B2 (en) | 2008-08-04 | 2011-10-18 | Apple Inc. | Media processing method and device |
| US8359410B2 (en) | 2008-08-04 | 2013-01-22 | Apple Inc. | Audio data processing in a low power mode |
| US8713214B2 (en) | 2008-08-04 | 2014-04-29 | Apple Inc. | Media processing method and device |
| USRE48323E1 (en) | 2008-08-04 | 2020-11-24 | Apple Ine. | Media processing method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001039164A1 (en) | 2001-05-31 |
| KR100769557B1 (ko) | 2007-10-23 |
| EP1157370A1 (en) | 2001-11-28 |
| EP1157370B1 (en) | 2014-09-03 |
| US6963987B1 (en) | 2005-11-08 |
| CN1188795C (zh) | 2005-02-09 |
| JP2003515831A (ja) | 2003-05-07 |
| CN1344403A (zh) | 2002-04-10 |
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