一句话:提出 REDSPY,用于检测复杂代码执行中的值冗余,弥补静态编译器优化的不足。
复杂代码库包含多层抽象,导致大量低效,其中值冗余指同一值在执行过程中被反复计算、存储或读取,直接影响执行时间。由于静态分析的固有限制,编译器优化 pass 难以检测或消除所有此类冗余。本文提出 REDSPY,旨在通过分析程序执行过程来发现值冗余,弥补静态优化的不足。摘要未具体说明 REDSPY 的实现技术、所针对的冗余类型细节以及实验评估结果。
Complex code bases with several layers of abstractions have abundant inefficiencies that affect the execution time. Value redundancy is a kind of inefficiency where the same values are repeatedly computed, stored, or retrieved over the course of execution. Not all redundancies can be easily detected or eliminated with compiler optimization passes due to the inherent limitations of the static analysis.