On Tue, 2011-22-02 at 17:35 +0100, Moritz Lenz wrote: > Am 22.02.2011 17:14, schrieb Guy Hulbert: > > On Tue, 2011-22-02 at 17:57 +0200, Gabor Szabo wrote: > >> For a better comparison that takes in account the features as well see > >> http://www.modernperlbooks.com/mt/2010/07/an-accurate-comparison-of-perl-5-and-rakudo-star.html > > > > Thanks for posting this. > > > > Can I infer from this article that it is *rakudo*, which is slow, rather > > than parrot? > > There are three different sources for slowness:
Thanks for the clarification. > 1) parrot itself. For example the calling conventions seem to be a major > bottleneck, now that the garbage collector has be sped up significantly > 2) rakudo itself. For example the lazy list iteration code could > certainly use some optimizations > 3) For some features there's a mismatch between what parrot provides and > what rakudo/Perl 6 needs, which makes rakudo go longer ways, which in > turn implies slowness. A large example of this is that rakudo can't > serialize all built-in types, but rather has to re-generate them at > startup time - which of course is a costly affair. > > Cheers, > Moritz -- --gh
