Jalapeño is a virtual machine for Java™ servers written in the Java language. To be able to
address the requirements of servers (performance and scalability in particular), Jalapeño …

Version 6 of Sun Microsystems' Java HotSpot™ VM ships with a redesigned version of the
client just-in-time compiler that includes several research results of the last years. The client …

Many maintenance tasks address concerns, or features, that are not well modularized in the
source code comprising a system. Existing approaches available to help software …

Key program interfaces are sometimes documented with usage examples: concrete code
snippets that characterize common use cases for a particular data type. While such …

A software modification task often addresses several concerns. A concern is anything a
stakeholder may want to consider as a conceptual unit, including features, nonfunctional …

We present a compiler intermediate representation (IR) that allows dynamic speculative
optimizations for high-level languages. The IR is graph-based and contains nodes fixed to …

Virtual machines (VMs) enable the distribution of programs in an architecture-neutral format,
which can easily be interpreted or compiled. A long-running question in the design of VMs is …

Exception-handling mechanisms in modern programming languages provide a means to
help software developers build robust applications by separating the normal control flow of a …

Analysis techniques, such as control flow, data flow, and control dependence, are used for a
variety of software engineering tasks, including structural and regression testing, dynamic …

One of the most important goals of data-center management is to reduce cost through
efficient use of resources. Virtualization techniques provide the opportunity of carving …