1. 2009 10 5

2. 2009 10 5

3. 2009 10 5

4. 2009 10 5

5. Multilingualization
(M17N)
2009 10 5

6. 2009 10 5

7. 2009 10 5

8. 2009 10 5

9. 2009 10 5

10. 2009 10 5

11. $ cd ~/src
$ darcs get http://eigenclass.org/repos/ruby-changelog
$ cd ruby-changelog
$ ruby ruby18-19.rb ruby18 ruby19
2009 10 5

12. 2009 10 5

13. def fib(n)
n <= 1 ? 1 : fib(n-1) + fib(n-2)
end
n = (ENV['N'] || $N || 35).to_i
p fib(n)
2009 10 5

14. [SnowLeopard]% time ruby -s fib-bench.rb -N=35
ruby -s fib-bench.rb -N=35 15.78s user 0.04s system 99% cpu 15.958 total
[SnowLeopard]e% time ruby19 -s fib-bench.rb -N=35
ruby19 -s fib-bench.rb -N=35 2.62s user 0.01s system 98% cpu 2.665 total
[SnowLeopard]% time jruby -s fib-bench.rb -N=35
jruby -s fib-bench.rb -N=35 3.06s user 0.38s system 58% cpu 5.854 total
2009 10 5

15. 2009 10 5

16. % ruby bench.rb -n 1000
*** ntimes=1000, testmode=execute
user system total real
ERB 1.460000 0.030000 1.490000 ( 1.499990)
ERB(cached) 0.660000 0.030000 0.690000 ( 0.698136)
Erubis::Eruby 0.930000 0.020000 0.950000 ( 0.955335)
Erubis::Eruby(cached) 0.630000 0.030000 0.660000 ( 0.666248)
Erubis::FastEruby 0.870000 0.030000 0.900000 ( 0.901067)
Erubis::FastEruby(cached) 0.540000 0.030000 0.570000 ( 0.582040)
ruby19 bench.rb -n 1000
*** ntimes=1000, testmode=execute
user system total real
ERB 1.400000 0.050000 1.450000 ( 1.471488)
ERB(cached) 0.800000 0.040000 0.840000 ( 0.852346)
Erubis::Eruby 1.040000 0.030000 1.070000 ( 1.080901)
Erubis::Eruby(cached) 0.750000 0.040000 0.790000 ( 0.785487)
Erubis::FastEruby 1.020000 0.030000 1.050000 ( 1.064794)
Erubis::FastEruby(cached) 0.700000 0.040000 0.740000 ( 0.742450)
2009 10 5

17. 2009 10 5

18. 2009 10 5

19. 2009 10 5

20. 2009 10 5

21. 2009 10 5

22. 2009 10 5

23. 2009 10 5

24. 2009 10 5

25. 2009 10 5

26. 2009 10 5