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Compute DeltaUQ on the device when possible #61

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Data are not copied correctly. Now they are with a sub-optimal mechanism

surrogate->evaluate(totalElements, inputs, outputs, outputs_stdev);
CALIPER(CALI_MARK_END("SURROGATE");)

// FIXME: We do something sub-optimal. We copy all the data from the GPU
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@ggeorgakoudis can we fix this fixme? if you are in a time crunch I can push for it. Let me know.

@ggeorgakoudis ggeorgakoudis changed the title DeltaUQ copies predicate on Host when model is in CUDA. Compute DeltaUQ on the device when possible Apr 9, 2024
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koparasy commented Apr 9, 2024

PR #66 provides a proper fix of the indicated issues.

@koparasy koparasy closed this Apr 9, 2024
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