@techreport {1200, title = {Data Movement Interfaces to Support Dataflow Runtimes}, journal = {Innovative Computing Laboratory Technical Report}, number = {ICL-UT-18-03}, year = {2018}, month = {2018-05}, publisher = {University 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.}, author = {Aurelien Bouteiller and George Bosilca and Thomas Herault and Jack Dongarra} }