I got something like a 30% speed up switching go 1.0 to go 1.1 with some code that used a closure. It is number crunching code (random forests) but go 1.1 is f

I got something like a 30% speed up switching go 1.0 to go 1.1 with some code that used a closure. It is number crunching code (random forests) but go 1.1 is faster then gccgo as well (though i haven't tried the latest version of that).