View source for Oracle international corporation (20240126688). Lazy compaction in garbage collection simplified abstract

=Lazy compaction in garbage collection=


==Organization Name==

[[:Category:oracle international corporation|oracle international corporation]]


[[Category:oracle international corporation]]

==Inventor(s)==

[[:Category:Erik Österlund of Västerhaninge (SE)|Erik Österlund of Västerhaninge (SE)]][[Category:Erik Österlund of Västerhaninge (SE)]]

[[:Category:Stefan Mats Rikard Karlsson of Nacka (SE)|Stefan Mats Rikard Karlsson of Nacka (SE)]][[Category:Stefan Mats Rikard Karlsson of Nacka (SE)]]

==Lazy compaction in garbage collection - A simplified explanation of the abstract==


This abstract first appeared for US patent application 20240126688 titled 'Lazy compaction in garbage collection

==Simplified Explanation==

The patent application describes techniques for lazy compaction, including selecting multiple regions of memory for inclusion in a relocation set, populating a lazy free list (lfl) with the selected regions, and relocating live objects from the lfl when the ordinary free list is depleted.

* Garbage collector selects multiple memory regions for relocation set
* Garbage collector populates lazy free list (lfl) with selected regions
* Allocator selects region from lfl when ordinary free list is depleted
* Load barriers relocate live objects from region if still live
* Region is allocated after load barriers are executed

== Potential Applications ==
The technology described in the patent application could be applied in memory management systems for optimizing memory usage and improving performance in garbage collection processes.

== Problems Solved ==
This technology addresses the issue of memory fragmentation and depletion of free memory space in garbage collection systems, leading to more efficient memory management and reduced overhead.

== Benefits ==
The benefits of this technology include improved memory utilization, reduced fragmentation, and enhanced performance in garbage collection processes, ultimately leading to better overall system efficiency.

== Potential Commercial Applications ==
Potential commercial applications of this technology include software development tools, memory management systems for databases, and virtual machine environments where efficient memory utilization is critical for performance.

== Possible Prior Art ==
One possible prior art for this technology could be the use of lazy compaction techniques in memory management systems to optimize memory usage and improve garbage collection processes.

=== Unanswered Questions ===

=== How does this technology compare to traditional memory compaction methods? ===
This article does not provide a direct comparison between lazy compaction techniques and traditional memory compaction methods in terms of performance, efficiency, and overhead.

=== What impact does lazy compaction have on overall system performance? ===
The article does not discuss the specific impact of lazy compaction on overall system performance, such as speed improvements, memory utilization, or resource consumption.


==Original Abstract Submitted==

techniques for lazy compaction are disclosed, including: selecting, by a garbage collector, multiple regions of a memory for inclusion in a relocation set; populating, by the garbage collector, a lazy free list (lfl) with the multiple regions selected for inclusion in the relocation set; subsequent to populating the lfl: determining, by an allocator, that an ordinary free list managed by the garbage collector is depleted; responsive to determining that the ordinary free list is depleted: selecting a region in the lfl; executing one or more load barriers associated respectively with one or more objects marked as live in the region, each respective load barrier being configured to relocate the associated object from the region if the associated object is still live; subsequent to executing the one or more load barriers: allocating the region.



[[Category:G06F12/02]]