Software

Improving Compiler-Runtime Separation With XIR

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Executive Summary

Intense research on virtual machines has highlighted the need for flexible software architectures that allow quick evaluation of new design and implementation techniques. The interface between the compiler and runtime system is a principal factor in the flexibility of both components and is critical to enabling rapid pursuit of new optimizations and features. Although many virtual machines have demonstrated modularity for many components, significant dependencies often remain between the compiler and the runtime system components such as the object model and memory management system. This paper addresses this challenge with a carefully designed strict compiler-runtime interface and the XIR language.

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