Hi Thierry,
> On Nov 14, 2016, at 7:04 AM, Thierry Goubier <thierry.goub...@gmail.com> > wrote: > > Has anybody seen performance differences between the 32bits and the 64bits > versions of Pharo 6 ? > > I'm seeing a speedup greater than 2 on some intensive numerical code. > > Note that, on that code, Pharo 64bits is slower than R, by around 30%. The > code overall is memory bound. Can you post (a pointer to?) the R & Pharo code you're comparing? TIA > > Thierry > >