Abstract
AbstractILDJIT, a new‐generation dynamic compiler and virtual machine designed to support parallel compilation, is introduced here. Our dynamic compiler targets the increasingly popular ECMA‐335 specification. The goal of this project is twofold: on one hand, it aims at exploiting the parallelism exposed by multi‐core architectures to hide the dynamic compilation latencies by pipelining compilation and execution tasks; on the other hand, it provides a flexible, modular and adaptive framework for dynamic code optimization. The ILDJIT organization and the compiler design choices are presented and discussed highlighting how adaptability and extensibility can be achieved. Thanks to the compilation latency masking effect of the pipeline organization, our dynamic compiler is able to mask most of the compilation delay, when the underlying hardware exposes sufficient parallelism. Even when running on a single core, the ILDJIT adaptive optimization framework manages to speedup the computation with respect to other open‐source implementations of ECMA‐335. Copyright © 2010 John Wiley & Sons, Ltd.
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