Eric M. Schulte

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A method is described for automatically repairing legacy software at the assembly code level using evolutionary computation. The technique is demonstrated on Java byte code and x86 assembly programs, showing how to find program variations that correct defects while retaining desired behavior. Test cases are used to demonstrate the defect and define required(More)
Neutral landscapes and mutational robustness are believed to be important enablers of evolvability in biology. We apply these concepts to software, defining mutational robustness to be the fraction of random mutations to program code that leave a program’s behavior unchanged. Test cases are used to measure program behavior and mutation operators are taken(More)
Modern compilers typically optimize for executable size and speed, rarely exploring non-functional properties such as power efficiency. These properties are often hardware-specific, time-intensive to optimize, and may not be amenable to standard dataflow optimizations. We present a general post-compilation approach called Genetic Optimization Algorithm(More)
We present a method for automatically repairing arbitrary software defects in embedded systems, which have limited memory, disk and CPU capacities, but exist in great numbers. We extend evolutionary computation (EC) algorithms that search for valid repairs at the source code level to assembly and ELF format binaries, compensating for limited system(More)
The speed with which newly discovered software vulnerabilities are patched is a critical factor in mitigating the harm caused by subsequent exploits. Unfortunately, software vendors are often slow or unwilling to patch vulnerabilities, especially in embedded systems which frequently have no mechanism for updating factory-installed firmware. The situation is(More)
Research Interests Software acceptability and human factors in software engineering. I am interested in understanding how humans perceive and interact with programs, especially how tools can support or interfere with program comprehension. My interests also include program analysis and transformations to improve acceptability. Infrastructure Team Lead:(More)
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