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An Object-aware Memory Architecture by Greg Wright; Matthew L. Seidl; Mario Wolczko is a Computer Science article available to read on EtoBox.

What is An Object-aware Memory Architecture about?

Despite its dominance, object-oriented computation has received scant attention from the architecture community. We propose a novel memory architecture that supports objects and garbage collection (GC). Our architecture is co-designed with a Java TM Virtual Machine (JVM TM ) 1 to improve the functionality and efficiency of heap memory management. The architecture is based on an address space for objects accessed using object IDs mapped by a translator to physical addresses. To support this, the system includes object-addressed caches, a hardware GC barrier to allow in-cache GC of objects, and an exposed cache structure cooperatively managed by the JVM. These extend a conventional architecture, without compromising compatibility or performance for legacy binaries. Our innovations enable various improvements such as: a novel technique for parallel and concurrent garbage collection, without requiring any global synchronization; an in-cache garbage collector, which never accesses main memory; concurrent compaction of objects; and elimination of most GC store barrier overheads. We compare the behavior of our system against that of a conventional generational garbage collector, both with

Who reads An Object-aware Memory Architecture?

Author

Greg Wright; Matthew L. Seidl; Mario Wolczko

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0167-6423)

Published

2006

Language

EN

Field

Computer Science (Physical Sciences)