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PRODID:-//Microsoft Corporation//Outlook MIMEDIR//EN
VERSION:2.0
BEGIN:VEVENT
DTSTART:20141120T193000Z
DTEND:20141120T200000Z
LOCATION:388-89-90
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:ABSTRACT: Applications on modern supercomputers are increasingly limited by the cost of=0Adata movement, but mainstream programming systems have few abstractions for describing the structure of a program's data. Consequently, the burden of managing data movement, placement, and layout currently falls primarily upon the programmer.  =0A=0ATo address this problem we previously proposed a data model based on logical regions and described Legion, a programming system incorporating logical regions. In this paper, we present structure slicing, which incorporates fields into the logical region data model.  We show that structure slicing enables Legion to automatically infer task parallelism from field non-interference, decouple the specification of data usage from layout, and reduce the overall amount of data moved.  We demonstrate that structure slicing enables both strong and weak scaling of three Legion applications including S3D, a production combustion simulation that uses logical regions with thousands of fields.
SUMMARY:Structure Slicing: Extending Logical Regions with Fields
PRIORITY:3
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