Hey Jonuts. You sure they fixed it in 1.8.7? I'm still seeing 10x slowdown on the to_proc shorthand with my 1.8.7 installation
With to_proc shorthand: real 0m4.138s user 0m3.893s sys 0m0.066s Without to_proc shorthand: real 0m0.391s user 0m0.350s sys 0m0.015s [...@macbookpro ~/Ruby/benchmarks]# ruby --version ruby 1.8.7 (2008-08-11 patchlevel 72) [i686-darwin9] Here's the code I'm using to benchmark: http://gist.github.com/56695 On Feb 1, 3:17 pm, jonuts <[email protected]> wrote: > Just for the record, on ruby 1.8.7 I get (slow machine): > > user system total real > sym#to_p 3.170000 0.510000 3.680000 ( 3.710362) > normal 2.450000 0.610000 3.060000 ( 3.070118) > > There is really no reason not to use sym2proc if you're on 1.8.7+ > > On Feb 2, 1:03 am, Daniel N <[email protected]> wrote: > > > Here's why it's not there: > > > class Foo > > def foo > > :foo > > end > > end > > > @foos = [Foo.new] * 1_000_000 > > > @foos.each(&:foo) vs @foos.each{|f| f.foo} > > > user system total real > > sym 2 proc 2.000000 0.020000 2.020000 ( 2.093694) > > raw ruby 0.330000 0.000000 0.330000 ( 0.345703) > > > Cheers > > Daniel > > > On Mon, Feb 2, 2009 at 9:57 AM, jonuts <[email protected]> wrote: > > > > D> run ruby 1.8.7 > > > > On Feb 2, 12:45 am, Phlip <[email protected]> wrote: > > > > Merbalists: > > > > > If I feel like using posts.map(&:name), leveraging the cute > > > Symbol#to_proc trick > > > > from both Rails and 'facets', what's the _most_supportable_ way to get > > > it? > > > > > A> stick all three lines at the bottom of config/init.rb? > > > > B> require 'facets'? > > > > C> require someone's merb-cute-hacks module from GitHub? > > > > > BTW, please debate whether Symbol#to_proc is better than sex, or the > > > > last > > > bell > > > > before the Apocalypse, in space provided: [___]. Please write legibly... > > > > > -- > > > > Phlip --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "merb" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/merb?hl=en -~----------~----~----~----~------~----~------~--~---
