DE69814170D1 - Inkrementeller freispeichersammler - Google Patents

Inkrementeller freispeichersammler

Info

Publication number
DE69814170D1
DE69814170D1 DE69814170T DE69814170T DE69814170D1 DE 69814170 D1 DE69814170 D1 DE 69814170D1 DE 69814170 T DE69814170 T DE 69814170T DE 69814170 T DE69814170 T DE 69814170T DE 69814170 D1 DE69814170 D1 DE 69814170D1
Authority
DE
Germany
Prior art keywords
free storage
incremental
program
function
objects
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.)
Expired - Lifetime
Application number
DE69814170T
Other languages
English (en)
Other versions
DE69814170T2 (de
Inventor
M Sauntry
E Markley
Mark Gilbert
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.)
Microsoft Corp
Original Assignee
Microsoft 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 Microsoft Corp filed Critical Microsoft Corp
Application granted granted Critical
Publication of DE69814170D1 publication Critical patent/DE69814170D1/de
Publication of DE69814170T2 publication Critical patent/DE69814170T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G06F12/0253—Garbage collection, i.e. reclamation of unreferenced memory
    • G06F12/0269—Incremental or concurrent garbage collection, e.g. in real-time systems
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99953—Recoverability
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99951—File or database maintenance
    • Y10S707/99956—File allocation
    • Y10S707/99957—Garbage collection
DE69814170T 1997-12-19 1998-12-17 Inkrementeller freispeichersammler Expired - Lifetime DE69814170T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US99409897A 1997-12-19 1997-12-19
US994098 1997-12-19
PCT/US1998/026769 WO1999032978A1 (en) 1997-12-19 1998-12-17 Incremental garbage collection

Publications (2)

Publication Number Publication Date
DE69814170D1 true DE69814170D1 (de) 2003-06-05
DE69814170T2 DE69814170T2 (de) 2004-04-01

Family

ID=25540275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69814170T Expired - Lifetime DE69814170T2 (de) 1997-12-19 1998-12-17 Inkrementeller freispeichersammler

Country Status (7)

Country Link
US (1) US6353838B2 (de)
EP (1) EP1049979B1 (de)
JP (1) JP4177960B2 (de)
AT (1) ATE239253T1 (de)
DE (1) DE69814170T2 (de)
HK (1) HK1032130A1 (de)
WO (1) WO1999032978A1 (de)

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SE514318C2 (sv) * 1999-10-28 2001-02-12 Appeal Virtual Machines Ab Förfarande för att effektivisera en databehandlingsprocess vid användning av en virtuell maskin och där ett skräpsamlingsförfarande används
US6970893B2 (en) 2000-10-27 2005-11-29 Bea Systems, Inc. System and method for regeneration of methods and garbage collection of unused methods
US6898602B2 (en) * 2002-04-22 2005-05-24 Sun Microsystems Inc. Measuring the exact memory requirement of an application through intensive use of garbage collector
FR2839650B1 (fr) * 2002-05-17 2005-04-01 Ela Medical Sa Systeme de teleassistance pour la programmation des dispositifs medicaux implantables actifs tels que stimulateurs cardiaques, defibrillateurs, cardioverteurs ou dispositifs multisite
US7174354B2 (en) * 2002-07-31 2007-02-06 Bea Systems, Inc. System and method for garbage collection in a computer system, which uses reinforcement learning to adjust the allocation of memory space, calculate a reward, and use the reward to determine further actions to be taken on the memory space
US7539713B2 (en) 2002-11-05 2009-05-26 Sun Microsystems, Inc. Allocation of likely popular objects in the train algorithm
US6999979B2 (en) * 2002-11-05 2006-02-14 Sun Microsystems, Inc. Efficient encoding of references into a collection set
US7035884B2 (en) * 2002-11-05 2006-04-25 Sun Microsystems, Inc. Placement of allocation trains in the train algorithm
US7188129B2 (en) 2002-11-15 2007-03-06 Sun Microsystems, Inc. Merging trains in a collector based on the train algorithm
US7209935B2 (en) * 2002-11-27 2007-04-24 Sun Microsystems, Inc. Avoiding remembered-set maintenance overhead for memory segments known to be in a collection set
US7031990B2 (en) 2002-12-06 2006-04-18 Sun Microsystems, Inc. Combining external and intragenerational reference-processing in a garbage collector based on the train algorithm
US7143124B2 (en) 2002-12-06 2006-11-28 Sun Microsystems, Inc. Detection of dead regions during incremental collection
US7024437B2 (en) * 2002-12-06 2006-04-04 Sun Microsystems, Inc. Better placement of objects reachable from special objects during collection based on the train algorithm
US7069280B2 (en) * 2002-12-06 2006-06-27 Sun Microsystems, Inc. Collection-tick mechanism for a collector based on the train algorithm
US7085790B2 (en) * 2002-12-06 2006-08-01 Sun Microsystems, Inc. Advancing cars in trains managed by a collector based on the train algorithm
US7069281B2 (en) 2003-02-24 2006-06-27 Sun Microsystems, Inc. Efficient collocation of evacuated objects in a copying garbage collector using variably filled local allocation buffers
US7146390B2 (en) 2003-02-24 2006-12-05 Sun Microsystems, Inc. Staging the processing of remembered-set entries as part of collection based on the train algorithm
US7096329B2 (en) * 2003-02-27 2006-08-22 Sun Microsystems, Inc. Better placement of objects promoted into a generation managed by the train algorithm
US7062519B2 (en) * 2003-02-27 2006-06-13 Sun Microsystems, Inc. Incremental scanning of enormous objects to improve scheduling and pause-time behavior of garbage collection
US7237231B2 (en) * 2003-03-10 2007-06-26 Microsoft Corporation Automatic identification of input values that expose output failures in a software object
US20040181782A1 (en) * 2003-03-13 2004-09-16 Piotr Findeisen System and method for optimizing memory usage by locating lingering objects
US20040181562A1 (en) * 2003-03-13 2004-09-16 Piotr Findeisen System and method for determining deallocatable memory in a heap
US20040186863A1 (en) * 2003-03-21 2004-09-23 Garthwaite Alexander T. Elision of write barriers for stores whose values are in close proximity
US7089272B1 (en) 2003-06-18 2006-08-08 Sun Microsystems, Inc. Specializing write-barriers for objects in a garbage collected heap
US7340493B2 (en) 2003-07-02 2008-03-04 International Business Machines Corporation System and method for reducing memory leaks in virtual machine programs
US7149762B1 (en) 2003-08-20 2006-12-12 Sun Microsystems, Inc. Handling futile collections in the train algorithm through selective extension of the collection set
US7412694B2 (en) * 2003-09-18 2008-08-12 International Business Machines Corporation Detecting program phases with periodic call-stack sampling during garbage collection
US7404182B1 (en) 2003-10-03 2008-07-22 Sun Microsystems, Inc. Deferring and combining write barriers for a garbage-collected heap
US20050198088A1 (en) * 2004-03-03 2005-09-08 Sreenivas Subramoney Method and system for improving the concurrency and parallelism of mark-sweep-compact garbage collection
US7620943B1 (en) 2004-06-30 2009-11-17 Sun Microsystems, Inc. Using class properties to segregate objects in a generation managed by the train algorithm
US7380087B2 (en) * 2004-08-25 2008-05-27 Microsoft Corporation Reclaiming application isolated storage
US7676801B1 (en) 2004-08-31 2010-03-09 Sun Microsystems, Inc. Scanning of evacuated objects in a generation managed by the train algorithm
US7321909B1 (en) 2004-12-23 2008-01-22 Sun Microsystems, Inc. Method and apparatus for forwarding references to objects concurrently with space-incremental garbage collection
US7870170B2 (en) * 2005-05-03 2011-01-11 International Business Machines Corporation Method and apparatus for determining leaks in a Java heap
US8356286B2 (en) * 2007-03-30 2013-01-15 Sap Ag Method and system for providing on-demand profiling infrastructure for profiling at virtual machines
US7904493B2 (en) * 2007-03-30 2011-03-08 Sap Ag Method and system for object age detection in garbage collection heaps
US8667471B2 (en) 2007-03-30 2014-03-04 Sap Ag Method and system for customizing profiling sessions
US8601469B2 (en) * 2007-03-30 2013-12-03 Sap Ag Method and system for customizing allocation statistics
US20080243970A1 (en) * 2007-03-30 2008-10-02 Sap Ag Method and system for providing loitering trace in virtual machines
US8522209B2 (en) * 2007-03-30 2013-08-27 Sap Ag Method and system for integrating profiling and debugging
US8336033B2 (en) * 2007-03-30 2012-12-18 Sap Ag Method and system for generating a hierarchical tree representing stack traces
US8140597B2 (en) * 2007-08-29 2012-03-20 International Business Machines Corporation Computer system memory management
US7991808B2 (en) * 2008-05-21 2011-08-02 Apple Inc. Per thread garbage collection
US8880775B2 (en) * 2008-06-20 2014-11-04 Seagate Technology Llc System and method of garbage collection in a memory device
US8200718B2 (en) * 2009-07-02 2012-06-12 Roberts Michael L Parallelized, incremental garbage collector
GB2499187A (en) * 2012-01-31 2013-08-14 Ibm Evicting from a cache objects which are not referenced by other objects in the cache
US9021050B2 (en) * 2012-08-31 2015-04-28 Yume, Inc. Network service system and method with off-heap caching
US9489297B2 (en) * 2013-01-21 2016-11-08 Sandisk Technologies Llc Pregroomer for storage array
US9355029B2 (en) * 2013-06-28 2016-05-31 Sap Se Thread-based memory management with garbage collection
US9880743B1 (en) * 2016-03-31 2018-01-30 EMC IP Holding Company LLC Tracking compressed fragments for efficient free space management
US20230350802A1 (en) * 2022-04-29 2023-11-02 Oracle International Corporation Managing lifecycles of sets of foreign resources

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US5136706A (en) 1987-04-30 1992-08-04 Texas Instruments Incorporated Adaptive memory management system for collection of garbage in a digital computer
US5088036A (en) * 1989-01-17 1992-02-11 Digital Equipment Corporation Real time, concurrent garbage collection system and method
US5560003A (en) * 1992-12-21 1996-09-24 Iowa State University Research Foundation, Inc. System and hardware module for incremental real time garbage collection and memory management
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US5960087A (en) 1996-07-01 1999-09-28 Sun Microsystems, Inc. Distributed garbage collection system and method
US5893121A (en) * 1997-04-23 1999-04-06 Sun Microsystems, Inc. System and method for swapping blocks of tagged stack entries between a tagged stack cache and an untagged main memory storage
US5848423A (en) * 1997-04-23 1998-12-08 Sun Microsystems, Inc. Garbage collection system and method for locating root set pointers in method activation records
US5873104A (en) * 1997-06-26 1999-02-16 Sun Microsystems, Inc. Bounded-pause time garbage collection system and method including write barrier associated with source and target instances of a partially relocated object
US6070173A (en) * 1997-11-26 2000-05-30 International Business Machines Corporation Method and apparatus for assisting garbage collection process within a java virtual machine
US6047295A (en) * 1998-05-05 2000-04-04 International Business Machines Corporation Computer system, program product and method of managing weak references with a concurrent mark sweep collector

Also Published As

Publication number Publication date
JP2001527237A (ja) 2001-12-25
JP4177960B2 (ja) 2008-11-05
ATE239253T1 (de) 2003-05-15
US6353838B2 (en) 2002-03-05
WO1999032978A1 (en) 1999-07-01
HK1032130A1 (en) 2001-07-06
DE69814170T2 (de) 2004-04-01
EP1049979A1 (de) 2000-11-08
US20010037336A1 (en) 2001-11-01
EP1049979B1 (de) 2003-05-02

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