AU2001291203A1 - Adaptive throttling of memory accesses, such as throttling rdram accesses in a real-time system - Google Patents

Adaptive throttling of memory accesses, such as throttling rdram accesses in a real-time system

Info

Publication number
AU2001291203A1
AU2001291203A1 AU2001291203A AU9120301A AU2001291203A1 AU 2001291203 A1 AU2001291203 A1 AU 2001291203A1 AU 2001291203 A AU2001291203 A AU 2001291203A AU 9120301 A AU9120301 A AU 9120301A AU 2001291203 A1 AU2001291203 A1 AU 2001291203A1
Authority
AU
Australia
Prior art keywords
memory
accesses
throttling
throttle
mask
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.)
Abandoned
Application number
AU2001291203A
Inventor
Erez Birenzwig
Opher D. Kahn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intel Corp
Original Assignee
Intel Corp
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 Intel Corp filed Critical Intel Corp
Publication of AU2001291203A1 publication Critical patent/AU2001291203A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G06F1/325—Power saving in peripheral device
    • G06F1/3275—Power saving in memory, e.g. RAM, cache
    • 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
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/161—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
    • G11C7/1006—Data managing, e.g. manipulating data before writing or reading out, data bus switches or control circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
    • G11C7/1072—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers for memories with random access ports synchronised on clock signal pulse trains, e.g. synchronous memories, self timed memories
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/22—Read-write [R-W] timing or clocking circuits; Read-write [R-W] control signal generators or management 
    • G11C7/225—Clock input buffers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C8/00—Arrangements for selecting an address in a digital store
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/04—Arrangements for writing information into, or reading information out from, a digital store with means for avoiding disturbances due to temperature effects
    • 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)
  • Microelectronics & Electronic Packaging (AREA)
  • Debugging And Monitoring (AREA)
  • Dram (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

Apparatus and methods to adaptively throttle accesses to memory employ a masking tool to specify the percentage of memory bandwidth available for access. The apparatus applies the mask and monitors the number of memory accesses during a throttle-monitoring window. If the number of memory accesses during the throttle-monitoring window exceeds or is fewer than the percentage of memory bandwidth specified by the mask, access to the memory continues until the end of the throttle-monitoring window and at the end of the throttle-monitoring window the apparatus selects the next lower mask for a lower memory bandwidth allocation or selects the next higher mask for a higher memory bandwidth allocation, respectively.
AU2001291203A 2000-09-22 2001-09-20 Adaptive throttling of memory accesses, such as throttling rdram accesses in a real-time system Abandoned AU2001291203A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/667,649 US6662278B1 (en) 2000-09-22 2000-09-22 Adaptive throttling of memory acceses, such as throttling RDRAM accesses in a real-time system
US09/667,649 2000-09-22
PCT/US2001/029694 WO2002025448A2 (en) 2000-09-22 2001-09-20 Adaptive throttling of memory accesses, such as throttling rdram accesses in a real-time system

Publications (1)

Publication Number Publication Date
AU2001291203A1 true AU2001291203A1 (en) 2002-04-02

Family

ID=24679046

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001291203A Abandoned AU2001291203A1 (en) 2000-09-22 2001-09-20 Adaptive throttling of memory accesses, such as throttling rdram accesses in a real-time system

Country Status (7)

Country Link
US (2) US6662278B1 (en)
EP (1) EP1360590B1 (en)
CN (2) CN1975634B (en)
AT (1) ATE479941T1 (en)
AU (1) AU2001291203A1 (en)
DE (1) DE60142986D1 (en)
WO (1) WO2002025448A2 (en)

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Also Published As

Publication number Publication date
CN1537280A (en) 2004-10-13
US20040019738A1 (en) 2004-01-29
DE60142986D1 (en) 2010-10-14
US6662278B1 (en) 2003-12-09
CN1975634B (en) 2010-05-19
WO2002025448A2 (en) 2002-03-28
US7418561B2 (en) 2008-08-26
EP1360590B1 (en) 2010-09-01
CN1975634A (en) 2007-06-06
CN100350400C (en) 2007-11-21
EP1360590A2 (en) 2003-11-12
WO2002025448A3 (en) 2003-07-10
ATE479941T1 (en) 2010-09-15

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