http://docs.julialang.org/en/latest/stdlib/collections/#Base.sizehint!
On Mon, Mar 9, 2015 at 7:34 PM, Dejan Miljkovic <dej...@gmail.com> wrote:
> I would like to initialize dictionary (String/String) with 4 million
> key/value pairs. Insert performance varies dramatically. Fast first 200k
> than slow around 300k. Pickups
> at 400k and than slows down ...
> This looks like memory allocation problem. I don't see the method where we
> can set size of the dictionary in advance.
>
> Dejan
>
> f = open(ARGS[1])
> dic = Dict{String, String}()
> cnt = 0
> while !eof(f)
> cnt += 1
> if cnt%1000 == 0
> println(cnt)
> end
> line = chomp(readline(f))
> el = split(line, ",")
> key = el[1]
> val = el[2]
> dic[key] = val
> end
> close(f)
>
