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dc.contributor.authorDimock, Allynen_US
dc.contributor.authorWestmacott, Ianen_US
dc.contributor.authorMuller, Roberten_US
dc.contributor.authorTurbak, Franklynen_US
dc.contributor.authorWells, J.B.en_US
dc.contributor.authorConsidine, Jeffreyen_US
dc.date.accessioned2011-10-20T04:42:33Z
dc.date.available2011-10-20T04:42:33Z
dc.date.issued2001en_US
dc.identifier.urihttp://hdl.handle.net/2144/1623
dc.description.abstractThe CIL compiler for core Standard ML compiles whole programs using a novel typed intermediate language (TIL) with intersection and union types and flow labels on both terms and types. The CIL term representation duplicates portions of the program where intersection types are introduced and union types are eliminated. This duplication makes it easier to represent type information and to introduce customized data representations. However, duplication incurs compile-time space costs that are potentially much greater than are incurred in TILs employing type-level abstraction or quantification. In this paper, we present empirical data on the compile-time space costs of using CIL as an intermediate language. The data shows that these costs can be made tractable by using sufficiently fine-grained flow analyses together with standard hash-consing techniques. The data also suggests that non-duplicating formulations of intersection (and union) types would not achieve significantly better space complexity.en_US
dc.description.sponsorshipNational Science Foundation (CCR-9417382, CISE/CCR ESS 9806747); Sun grant (EDUD-7826-990410-US); Faculty Fellowship of the Carroll School of Management, Boston College; U.K. Engineering and Physical Sciences Research Council (GR/L 36963, GR/L 15685)en_US
dc.language.isoen_USen_US
dc.publisherBoston University Computer Science Departmenten_US
dc.relation.ispartofseriesBUCS Technical Reports;BUCS-TR-2001-002en_US
dc.titleProgram Representation Size in an Intermediate Language with Intersection and Union Typesen_US
dc.typeTechnical Reporten_US


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