This repository has been archived by the owner on Mar 12, 2021. It is now read-only.
This repository has been archived by the owner on Mar 12, 2021. It is now read-only.
polish mapreduce interface #204
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openedon Nov 16, 2018
Don't let the following call to mapreduce fallback to CPU
using CuArrays, CUDAnative
CuArrays.allowscalar(false)
x = randn(1000) |> cu
CUDAnative.map(CUDAnative.exp, x)
CUDAnative.reduce(+, x)
# works, but no kernel is evaluated
@device_code_warntype CUDAnative.mapreduce(exp, +, x) # no kernel evaluated
# the following code will cause Julia break down
@device_code_warntype CUDAnative.mapreduce(CUDAnative.exp, +, x)Issue #180 can be helpful in preventing unexpected fallback, with data transferred silently.
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