Slow permute(view)

[maleadt]

Reported on by @merckxiaan on Slack:

using CuArrays

inds = rand(1:100, 150, 150)
x = cu(rand(100, 10))

@time permutedims(view(x, inds, :), (3, 2, 1)) # about 20 seconds
@time permutedims(x[inds, :], (3, 2, 1)) # about 0.001 second