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jHISC is an object-oriented processor for embedded system aiming at accelerating Java execution by hardware approach. Garbage collection is one of the critical tasks in a Java Virtual Machine. In this paper, we have conduct a study of dynamic object allocation and garbage collection behavior of Java program based on SPECjvm 98 benchmark suite and MIDP(More)
Java is widely applied from the small embedded devices to enterprise systems nowadays due to its object-oriented features and corresponding advantages of security, robustness, and platform independence. Java programs are compiled into Java Bytecodes, which are executed in the Java virtual machine. Among the current hardware or software solutions to the Java(More)
Java is widely applied into embedded devices and network applications. Java programs are compiled into Java bytecodes, which are executed in the Java virtual machine. The Java virtual machine is a stack machine and instruction folding is a technique to reduce the redundant stack operations. In this paper, a simple instruction folding algorithm is proposed(More)
Java is widely applied in mobile devices and network applications due to its object-oriented features and corresponding advantages such as security, robustness, platform independence. However, almost all the current Java processors do not provide enough hardware support on object-oriented programming so that the object-oriented related operations are(More)
In the past, programming language are procedural, the design concept is based on the module and scope which are difficult to manage, but nowadays , the programming trend is Object-Oriented Programming (OOP), where objects are the key elements to build up application and the communications between different objects are through method invocation. A novel(More)
Although Java is attractive in many aspects, it is not likely to be popular in embedded market. The obstacle is that Java relies on a Java virtual machine to process the Java bytecodes that imposes large overheads on the embedded system. It is effective to solve this problem by implement an embedded Java processor. In this paper, an extensive co-design(More)
Java is widely applied into embedded devices. Java programs are compiled into Java bytecodes, which are executed into the Java virtual machine. The Java virtual machine is a stack machine and instruction folding is a technique to reduce the redundant stack operations. In this paper, a simple instruction folding algorithm is proposed for a Java processor(More)
As software trend is moving to object-oriented programming (OOP), a novel object processor for running OOP offers an opportunity to enhance the system security, performance and to provide an alternative for a virtual machine to suit OOP. We select Java as our targeting language due to its security, reusability and portability. However, Java's severe(More)