On Sat, Apr 27, 2019 at 07:33:49AM +0300, megane wrote: > Peter Bex <pe...@more-magic.net> writes: > > On Fri, Apr 26, 2019 at 10:06:15PM +0300, megane wrote: > >> Hi folks! > >> > >> Do you think that adding specializations for multiple argument calls to > >> mathematical functions is worth it? Like this: > > > > We have a rewrite for this already, I wonder why it's not being applied. > > > > That's (rewrite 'scheme#+ 19) in c-platform.scm (on line 728). > > I see. That is handled in optimizer.scm (line 1221). The optimizer runs > after the scrutinizer and the scrutinizer only runs once. And it's the > scrutinizer that installs the specializations in types.db.
Ah, so this effectively means some of the rewrites are useless since the specializations make them inapplicable. We should consider what to do with that. I have no clue what would happen if we change the order in which they run, so maybe just remove rewrite 19 and replace it with your suggestion? What do the others think? Cheers, Peter
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