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Bridging the Gap Between General-Purpose and Domain-Specific Compilers with Synthesis Cheung, Alvin Kamil, Shoaib Solar-Lezama, Armando compilers domain-specific languages program synthesis cross compilation verification This paper describes a new approach to program optimization that allows general purpose code to benefit from the optimization power of domain-specific compilers. The key to this approach is a synthesis-based technique to raise the level of abstraction of general-purpose code to enable aggressive domain-specific optimizations. We have been implementing this approach in an extensible system called Herd. The system is designed around a collection of parameterized kernel translators. Each kernel translator is associated with a domain-specific compiler, and the role of each kernel translator is to scan the input code in search of code fragments that can be optimized by the domain-specific compiler embedded within each kernel translator. By leveraging general synthesis technology, it is possible to have a generic kernel translator that can be specialized by compiler developers for each domain-specific compiler, making it easy to build new domain knowledge into the overall system. We illustrate this new approach to build optimizing compilers in two different domains, and highlight research challenges that need to be addressed in order to achieve the ultimate vision. Schloss Dagstuhl – Leibniz-Zentrum für Informatik Alvin Cheung and Shoaib Kamil and Armando Solar-Lezama 2015 Is Part Of LIPIcs, Volume 32, 1st Summit on Advances in Programming Languages (SNAPL 2015) InProceedings Text doc-type:ResearchArticle publishedVersion application/pdf doi:10.4230/LIPIcs.SNAPL.2015.51 urn:nbn:de:0030-drops-50162 https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.SNAPL.2015.51 eng https://creativecommons.org/licenses/by/3.0/legalcode