findmin in julia

find_min.jl

function fm()

  n::Int32 = 1000000
  h::Int32 = 256

  trials::Int32 = 15*4

  @time begin
  matrix = rand(Float32, h,n)
  mins   = zeros( Int32, n )
  end

  min::Float32 = 0;
  minidx::Int32 = 1;

  @time begin
  @inbounds for k = 1:trials
    for i = 1:n
      minidx = 1;
      min = matrix[1, i]
      for j = 2:h
        if matrix[j, i] < min
          min = matrix[j, i]
          minidx = j
        end
      end
      mins[i] = minidx
    end
  end
  end

end