| Título: | Soot : a java bytecode optimization framework |
| Autores: | Vallee-Rai, Raja. |
| Fecha: | 2000 |
| Publicador: | McGill University - MCGILL |
| Fuente: |
 |
| Tipo: | Electronic Thesis or Dissertation |
| Tema: | Computer Science. |
| Descripción: |
Java provides many attractive features such as platform independence, execution safety, garbage collection and object orientation. These features facilitate application development but are expensive to support; applications written in Java are often much slower than their counterparts written in C or C++. To use these features without having to pay a great performance penalty, sophisticated optimizations and runtime systems are required. We present SOOT, a framework for optimizing Java bytecode. The framework is implemented in Java and supports three intermediate representations for representing Java bytecode: BAF, a streamlined representation of bytecode which is simple to manipulate; JIMPLE, a typed 3-address intermediate representation suitable for optimization; and GRIMP an aggregated version of JIMPLE suitable for decompilation. SOOT also contains a set of transformations between these intermediate representations, and an application programming interface (API) is provided to write optimizations and analyses on Java bytecode in these forms. In order to demonstrate the usefulness of the framework, we have implemented intraprocedural and whole program optimizations. To show that whole program bytecode optimization can give performance improvements, we provide experimental results for 10 large benchmarks, including 8 SPECjvm98 benchmarks running on JDK 1.2. These results show a speedup of up to 38%. |
| Idioma: | en |
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