JPS6448150A - Garbage compaction processing system - Google Patents

Garbage compaction processing system

Info

Publication number
JPS6448150A
JPS6448150A JP20546487A JP20546487A JPS6448150A JP S6448150 A JPS6448150 A JP S6448150A JP 20546487 A JP20546487 A JP 20546487A JP 20546487 A JP20546487 A JP 20546487A JP S6448150 A JPS6448150 A JP S6448150A
Authority
JP
Japan
Prior art keywords
area
areas
sequentially used
block
case
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.)
Pending
Application number
JP20546487A
Other languages
Japanese (ja)
Inventor
Fumio Harada
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP20546487A priority Critical patent/JPS6448150A/en
Publication of JPS6448150A publication Critical patent/JPS6448150A/en
Pending legal-status Critical Current

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  • Devices For Executing Special Programs (AREA)

Abstract

PURPOSE:To improve the use efficiency of a memory and to perform quick garbage compaction by inverting a pointer in case of necessity and removing a block, which has no sequentially used areas at all, from a list in case of movement and moving and restoring areas in the other blocks. CONSTITUTION:A sequentially used area successively linked to a table base pointer 5 is taken out and point directions of this area and the following sequentially used area are inverted in case of necessity and an inversion flag is stored in the following sequentially used area by an inversion processing part 1, and this area is moved to an idle area of the preceding block or the pertinent block by an idle area move and restore processing part 2 and point directions are returned, and the block which has no sequentially used areas at all is removed from the list in case of this movement by a block elimination processing part 2-1. Thus, sequentially used areas scattered in discontinuous areas are moved forward to efficiently and satisfactorily gather unused areas, and unnecessary movement is eliminated to quickly perform garbage compaction.
JP20546487A 1987-08-19 1987-08-19 Garbage compaction processing system Pending JPS6448150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20546487A JPS6448150A (en) 1987-08-19 1987-08-19 Garbage compaction processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20546487A JPS6448150A (en) 1987-08-19 1987-08-19 Garbage compaction processing system

Publications (1)

Publication Number Publication Date
JPS6448150A true JPS6448150A (en) 1989-02-22

Family

ID=16507302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20546487A Pending JPS6448150A (en) 1987-08-19 1987-08-19 Garbage compaction processing system

Country Status (1)

Country Link
JP (1) JPS6448150A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006289263A (en) * 2005-04-11 2006-10-26 Masaki Ono Magnetized body for magnetic sorting machine and magnetic sorting machine using this
US8930614B2 (en) 2011-07-29 2015-01-06 Kabushiki Kaisha Toshiba Data storage apparatus and method for compaction processing
US11919045B2 (en) 2019-04-10 2024-03-05 Doss Visual Solution S.R.L. Optical inspection machine for the quality control of parts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006289263A (en) * 2005-04-11 2006-10-26 Masaki Ono Magnetized body for magnetic sorting machine and magnetic sorting machine using this
US8930614B2 (en) 2011-07-29 2015-01-06 Kabushiki Kaisha Toshiba Data storage apparatus and method for compaction processing
US11919045B2 (en) 2019-04-10 2024-03-05 Doss Visual Solution S.R.L. Optical inspection machine for the quality control of parts

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