Data Movement Interfaces to Support Dataflow Runtimes

TitleData Movement Interfaces to Support Dataflow Runtimes
Publication TypeTech Report
Year of Publication2018
AuthorsBouteiller, A., G. Bosilca, T. Herault, and J. Dongarra
Technical Report Series TitleInnovative Computing Laboratory Technical Report
NumberICL-UT-18-03
Date Published05-2018
InstitutionUniversity of Tennessee
Abstract

This document presents the design study and reports on the implementation of a portable hosted accelerator device support in the PaRSEC Dataflow Tasking at Exascale runtime, undertaken as part of the ECP contract 17-SC-20-SC. The document discusses different technological approaches to transfer data to/from hosted accelerators, issues recommendations for technology providers, and presents the design of an OpenMP-based accelerator support in PaRSEC.

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