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PRODID:-//Microsoft Corporation//Outlook MIMEDIR//EN
VERSION:1.0
BEGIN:VEVENT
DTSTART:20141118T231500Z
DTEND:20141119T010000Z
LOCATION:New Orleans Theater Lobby
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:ABSTRACT: Performance portability between CPU and accelerators is a major challenge for coarse grain parallelized codes. Hybrid Fortran offers a new approach in porting for accelerators that requires minimal code changes and allows to keep the performance of CPU optimized loop structures and storage orders. This is achieved through a compile-time code transformation where the CPU and accelerator cases are treated separately. Results show minimal performance losses compared to the fastest non-portable solution on both CPU and GPU. Using this approach, five applications have been ported to accelerators, showing minimal or no slowdown on CPU while enabling high speedups on GPU.
SUMMARY:Performance Portable Parallel Programming - Compile-Time Defined Parallelization and Storage Order for Accelerators and CPUs
PRIORITY:3
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