19 Feb '14, 3pm

“mruby faster than ruby 2.0 and jruby ? - Ruby Forum”

>So mruby is it realy the faster ruby vm ? In general, no. This case is special, since mruby does not have Bignums and uses faster (and inaccurate) Floats instead. matz. In message "Re: mruby fastr than ruby 2.0 and jruby ?" on Tue, 18 Feb 2014 18:23:42 +0100, Regis d'Aubarede <[email protected]> writes: | |hello, |trying this stupid code, |========================= |def a(p,j) | i=0 | while i<1000 | p+=j*(j-1)*(j-2)*(j-3)*(j-4)*(j-5)*(j-6)*(j-7)*(j-8)*(j-9) | i+=1 | end | p |end |def b(b) | starttime=Time.now if b | puts("start") if b | p=0 | j=10 | while j<10000 | p=a(p,j) | j+=1 | end | endtime=Time.now if b | puts("end : p="+p.to_s+ " "+ (endtime-starttime).to_f.to_s + " secs") |if b |end |b(false) |b(true) | |=============================== |I get this strange result : | |>jruby j.rb |start |end : p=9041028926052438935146265250228470208000000000 14.0 secs | |>ruby ...

Full article: https://www.ruby-forum.com/topic/4422998

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