Perlin taking a *very* long time

[fbnz156]

I tried generating a 512x512 perlin grid, and it still hadn't finished after a cup of tea, whereas Voronoi had finished in seconds. No other perlin generators seem to take this long.

[cogchoir]

Can second. It's pretty weird, since in the past I have generated much larger grids in a fraction of the time

[cogchoir]

I mean, don't get me wrong, I love this library, but I'm using this for a game with procedural generation, s

[cogchoir]

(Cont) so time is a pretty important factor.