WO2005096150B1 - Methods and apparatus for achieving thermal management using processing task scheduling - Google Patents

Methods and apparatus for achieving thermal management using processing task scheduling

Info

Publication number
WO2005096150B1
WO2005096150B1 PCT/JP2005/006523 JP2005006523W WO2005096150B1 WO 2005096150 B1 WO2005096150 B1 WO 2005096150B1 JP 2005006523 W JP2005006523 W JP 2005006523W WO 2005096150 B1 WO2005096150 B1 WO 2005096150B1
Authority
WO
WIPO (PCT)
Prior art keywords
amended
component
thermal
attribute
tasks
Prior art date
Application number
PCT/JP2005/006523
Other languages
French (fr)
Other versions
WO2005096150A1 (en
Inventor
Keisuke Inoue
Original Assignee
Sony Computer Entertainment Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Computer Entertainment Inc filed Critical Sony Computer Entertainment Inc
Priority to DE602005005035T priority Critical patent/DE602005005035T2/en
Priority to EP05727578A priority patent/EP1730635B1/en
Priority to KR1020067022624A priority patent/KR101120215B1/en
Publication of WO2005096150A1 publication Critical patent/WO2005096150A1/en
Publication of WO2005096150B1 publication Critical patent/WO2005096150B1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • 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, look ahead
    • G06F9/3802—Instruction prefetching
    • G06F9/3814—Implementation provisions of instruction buffers, e.g. prefetch buffer; banks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
    • G06F9/4881—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
    • G06F9/4893—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues taking into account power or heat criteria
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G06F1/206—Cooling means comprising thermal management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
    • G06F1/329—Power saving characterised by the action undertaken by task scheduling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
    • G06F3/1218—Reducing or saving of used resources, e.g. avoiding waste of consumables or improving usage of hardware resources
    • G06F3/1221—Reducing or saving of used resources, e.g. avoiding waste of consumables or improving usage of hardware resources with regard to power consumption
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • 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, look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • 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, look ahead
    • G06F9/3867—Concurrent instruction execution, e.g. pipeline, look ahead using instruction pipelines
    • G06F9/3869—Implementation aspects, e.g. pipeline latches; pipeline synchronisation and clocking
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • 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
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/4401—Bootstrapping
    • G06F9/4405—Initialisation of multiprocessor systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2209/00—Indexing scheme relating to G06F9/00
    • G06F2209/48—Indexing scheme relating to G06F9/48
    • G06F2209/483—Multiproc
    • 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

Abstract

The present invention provides apparatus and methods to perform thermal management in a computing environment. In one embodiment, thermal attributes are associated with operations and/or processing components, and the operations are scheduled for processing by the components so that a thermal threshold is not exceeded. In another embodiment, hot and cool queues are provided for selected operations, and the processing components can select operations from the appropriate queue so that the thermal threshold is not exceeded.

Claims

60AMENDED CLAIMS[received by the International Bureau on 2 November 2005 (02.11.05) original claim 1, 6-8, 10, 12-48 are amended, original claims 49-89 are cancelled, original claims 2-5, 9, 11 remain unchanged. (8 pages)]
1. (amendecOA method of performing operations to be performed by a component having a thermal threshold comprising: providing a plurality of operations to be performed by the component; associating the operations with a thermal attribute, the thermal attribute representing a value related to a heat amount expected to be generated or incurred by the component during performance of the operations! and determining if a temperature of the component exceeds a thermal threshold; and
(i) executing a first operation if the thermal threshold is not exceeded, the first operation associated with the thermal attribute being likely to maintain or increase the temperature of the component after execution!
(ii) executing a second operation if the thermal threshold is exceeded, the second operation associated with the thermal attribute being likely to decrease the temperature of the component after execution.
2. The method of claim 1, further comprising measuring the thermal attribute with a temperature sensing means.
3. The method of claim 1, further comprising estimating the thermal attribute based upon power consumption of the component.
4. The method of claim 3, wherein estimating the thermal attribute further includes performing a circuit simulation of the component.
5. The method of claim 3, wherein estimating the thermal attribute further includes determining a power density of the component. 61
6. (amended) The method of claim 1 to 5, further comprising executing the operations in an order of performance.
7. (amended) The method of claim 1 to 6, wherein the component includes a plurality of processing devices and the thermal attribute is an aggregate thermal attribute of selected ones of the processing devices that execute the operations.
8. (amended) The method of claim 1 to 6, wherein the component includes a plurality of processing devices, each of the processing devices has an individual thermal threshold, and the thermal attribute includes a plurality of individual thermal attributes, each individual thermal attribute being associated with one of the processing devices.
9. The method of claim 8, further comprising: selecting at least some of the processing devices to execute the operations! monitoring the selected processing devices! and routing the operations among the selected processing devices so that the individual thermal thresholds are not exceeded.
10. (amended) The method of claim 1 to 9, wherein the component includes a plurality of processing devices and the thermal attribute is allocated among the plurality of processing devices.
11. The method of claim 1, further comprising determining the thermal attribute by:
(i) determining power consumption of the component; (ii) determining a footprint of the component;
(iii) dividing the power consumption of the component by the footprint of the component to obtain perarea power consumption; and
(iv) multiplying the perarea power consumption by a thermal estimation constant. 62
12. (amended) The method of claim 1 to 11, further comprising: determining an attribute! wherein scheduling the operations incorporates the attribute along with the thermal attribute.
13. (amended)The method of claim 1 to 12, further comprising performing a nop if the second operation is not available.
14. (amended) The method of claim 1 to 13, further comprising: determining a priority level; determining if the first operation is available from a priority queue of the priority level; and if the first operation is not available from the priority queue, determining if the second operation is available from the priority queue.
15. (amended) The method of claim 1 to 14 comprising: selecting one of a plurality of tasks for execution by a component based on an attribute, wherein the attribute for each task is related to the temperature of the component after execution of the associated task," and executing the selected task.
16. (amended) The method of claim 15 wherein the attribute is related to an expected increase or decrease in temperature of the component after execution of the associated task.
17. (amended) The method of claim 16 wherein the expected increase or decrease is based on the power density of the component.
18. (amended) The method of claim 15 to 17 wherein the tasks are stored in at least 63
one queue in memory.
19. (amended) The method of claim 15 to 17 wherein the tasks are stored in at least two queues in memory, one queue storing tasks whose attributes meet a condition and another queue storing tasks whose attributes do not meet the condition.
20. (amended) The method of claim 15 to 19 wherein the condition is that the attribute exceeds a threshold.
21. (amended) The method of claim 15 to 20 wherein the task is also selected based on the current temperature of the component.
22. (amended) The method of claim 15 to 17 wherein the tasks are stored in different addresses in memory prior to execution.
23. (amended) The method of claim 15 to 17 wherein the tasks are stored in the same address at different times in memory prior to execution.
24. (amended) The method of claim 15 to 23 wherein the component is a processor.
25. (amended) A processing system, comprising: a processor having a thermal threshold, performing a plurality of operations, each of the plurality of operations associated with a thermal attribute representing a value related to a heat amount expected to be generated or incurred by the processor during performance of the operations,' wherein
(i) if a temperature of a processor exceeds a thermal threshold, the processor execute the first operation, the first operation associated with a thermal attribute being likely to maintain or increase the temperature of the 64
processor after execution!
(ii) if a temperature of a processor doesn't exceed a thermal threshold, the processor execute the second operation, the second operation associated with a thermal attribute being likely to decrease the temperature of the processor after execution.
26. (amended) The processing system of claim 25, comprising: a scheduler for managing a plurality of operations comprising the first and second operations based on the thermal attributes; and a plurality of processors for executing the plurality of operations, each of the plurality of processors having a thermal threshold.
27. (amended) The processing system of claim 26, wherein if the thermal threshold of a selected one of the plurality of processors is not exceeded, the selected processor is operable to obtain and execute at least one of the first operation and the second operation.
28. (amended) The processing system of claim 27, wherein, if the thermal threshold of the selected processor is not exceeded, the selected processor obtains the first operation.
29. (amended) The processing system of claim 26, wherein, if the thermal threshold of a selected one of the plurality of processors is exceeded, the selected processor is operable to obtain and execute the second operation.
30. (amended) The processing system of claim 26 to 29, wherein the processors include temperature sensing means for monitoring or estimating temperatures of the processors.
31. (amended) The processing system of claim 30, wherein each processor further includes an analog to digital converter that is operable to receive a temperature value from the temperature sensing means and to provide a digital temperature value.
32. (amended) The processing system of claim 26 to 31, wherein a selected one of the processors includes a plurality of sub-processors.
33. (amended) The processing system of claim 32 or 33, wherein the selected processor has a total thermal attribute associated with the selected processor and not associated with the sub -processors.
34. (amended) The processing system of claim 32, wherein each sub-processor has a component thermal attribute distinct from the component thermal attributes of the other sub-processors.
35. (amended) A system for processing tasks comprising: memory for storing tasks to be processed; a component that processes the tasks stored in the memory! wherein the tasks are associated with attributes, the attribute for each task is related to the temperature of the component after processing the associated task, and one of the tasks is chosen for processing by the component based on the attribute.
36. (amended) The system of claim 35 wherein the attribute is related to an expected increase or decrease in temperature of the component after processing of the chosen task.
37. (amended) The system of claim 36 wherein the expected increase or decrease is based on the power density of the component. 66
38. (amended) The system of claim 35 to 37 wherein the tasks are stored in at least one queue in memory.
39. (amended) The system of claim 35 wherein the tasks are stored in at least two queues in memory, one queue storing tasks whose attributes meet a condition and another queue storing tasks whose attributes do not meet the condition.
40. (amended) The system of claim 39 wherein the condition is that the attribute exceeds a threshold.
41. (amended) The system of claim 35 to 40 wherein the memory comprises two separate collections of memory, one collection of memory storing tasks whose attributes meet a condition and another collection of memory storing tasks whose attributes do not meet the condition.
42. (amended) The system of claim 41 wherein the two separate collections of memory are stored at the same memory address but at different time periods.
43. (amended)The system of claim 41 wherein the two separate collections of memory are at different memory addresses.
44. (amended)The system of claim 41 to 43 wherein the two separate collections of memory are in the same semiconductive device.
45. (amended)The system of claim 41 to 43 wherein the two separate collections of memory are in different semiconductive devices.
46. (amended) The system of claim 35 to 45 wherein the component includes a temperature sensor and the task is selected based on an output of the temperature 67
sensor.
47. (amended) The system of claim 35 to 46 further comprising a second component capable of processing the tasks, wherein one or more of the tasks are selected for each component based on an expected temperature of each component after processing the task.
48. (amended) The system of claim 35 to 47 further comprising a scheduler that selects one or more of the tasks for the component
49.-89. (canceled)
PCT/JP2005/006523 2004-03-29 2005-03-28 Methods and apparatus for achieving thermal management using processing task scheduling WO2005096150A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602005005035T DE602005005035T2 (en) 2004-03-29 2005-03-28 METHOD FOR CARRYING OUT OPERATIONS WHICH ARE TO BE CARRIED OUT BY A COMPONENT WITH A THERMAL THRESHOLD, AND A PROCESSING SYSTEM USING A PROSCESSOR
EP05727578A EP1730635B1 (en) 2004-03-29 2005-03-28 Methods and apparatus for achieving thermal management using processing task scheduling
KR1020067022624A KR101120215B1 (en) 2004-03-29 2005-03-28 Methods and apparatus for achieving thermal management using processing task scheduling

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US10/812,177 2004-03-29
US10/812,177 US8224639B2 (en) 2004-03-29 2004-03-29 Methods and apparatus for achieving thermal management using processing task scheduling

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WO2005096150A1 WO2005096150A1 (en) 2005-10-13
WO2005096150B1 true WO2005096150B1 (en) 2006-01-26

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EP (1) EP1730635B1 (en)
JP (1) JP4053547B2 (en)
KR (1) KR101120215B1 (en)
CN (1) CN100504790C (en)
AT (1) ATE387663T1 (en)
DE (1) DE602005005035T2 (en)
TW (1) TW200602885A (en)
WO (1) WO2005096150A1 (en)

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