Remove unnessesary copy for OpenMP offload #21
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The
Inputstruct,input, is unnecessarily copied back to the host after execution of the target region.This is minor and this fix has negligible performance improvement.
I additionally added a
defaultmap(none)clause which enforces explicit data mapping at compile time, likely reducing the chance of similar oversights in the future.Similar fix to ANL-CESAR/XSBench#38.