Aspects of Memory Management in Java and C++

An Approach to Buffer Management in Java HPC Messaging

One of the most challenging aspects to designing a Java messaging system for HPC is the intermediate buffering layer. The lower and higher levels of the messaging software use this buffering layer to write and read messages. The Java New I/O package adds the concept of direct buffers, which—coupled with a memory management algorithm—opens the possibility of efficiently implementing this bufferi...

Scoped Types and Aspects for Real-Time Java

Real-time systems are notoriously difficult to design and implement, and, as many real-time problems are safety-critical, their solutions must be reliable as well as efficient and correct. While higher-level programming models (such as the Real-Time Specification for Java) permit real-time programmers to use language features that most programmers take for granted (objects, type checking, dynam...

Porting the JMTk memory management toolkit

JMTk is a memory management toolkit written in Java, originally for the JikesRVM Java Virtual Machine. JMTk provides reusable components for the development of allocation and garbage collection algorithms, an efficient implementation of a rapidly growing number of memory management schemes, and is an important enabler for memory management research. A portable version of JMTk will allow the gro...

Memory Management in the LaTTe Java VirtualMa

Java Virtual Machine: the key for accurated memory prefetching

The popularity of the Java language is easily understandable analyzing the specific features of the language and the execution environment. However, there are still aspects of the Java execution environment that are not exploited. One of the most distinctive features of this platform is the knowledge that the Java Virtual Machine (JVM) has about the runtime characteristics of the applications. ...