sortperm_reg.jl

n = 200
reps = 10^4
orderedinds = [1:n]
disorderedinds = orderedinds[randperm(n)]

function frows()
    acc = 0
    inds = disorderedinds
    for i in rand(1:n, reps)
        acc += sortperm(inds)[1]
    end
    acc
end

a = frows()
@time frows()