MRI-1.8.6-p399: ruby 1.8.6 (2010-02-05 patchlevel 399) [x86_64-linux]
  /usr/bin/time /home/kurt/local/ruby/1.8.6-p399/bin/ruby  problem/last_element.rb "MRI-1.8.6-p399" "measurement/last_element-MRI-1.8.6-p399.rb"
warmup: 10000000.. GO!
                                              user     system      total        real
n = 10000000 : array[-1]                  9.790000   0.020000   9.810000 (  9.815035)
n = 10000000 : array.last                 8.410000   0.000000   8.410000 (  8.401654)

FINISHED!
36.30user 0.04system 0:36.33elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+675minor)pagefaults 0swaps

  MRI-1.8.7: ruby 1.8.7 (2010-04-20 patchlevel 254) [x86_64-linux]
  /usr/bin/time /home/kurt/local/ruby/1.8.7-git/bin/ruby  problem/last_element.rb "MRI-1.8.7" "measurement/last_element-MRI-1.8.7.rb"
warmup: 10000000.. GO!
                                              user     system      total        real
n = 10000000 : array[-1]                  6.760000   0.030000   6.790000 (  6.789963)
n = 10000000 : array.last                 5.670000   0.010000   5.680000 (  5.678766)

FINISHED!
28.91user 0.05system 0:28.96elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+685minor)pagefaults 0swaps

  MRI-1.9: ruby 1.9.2dev (2010-05-05 trunk 27618) [x86_64-linux]
  /usr/bin/time /home/kurt/local/ruby/trunk/bin/ruby  problem/last_element.rb "MRI-1.9" "measurement/last_element-MRI-1.9.rb"
warmup: 10000000.. GO!
                                              user     system      total        real
n = 10000000 : array[-1]                  3.480000   0.000000   3.480000 (  3.476618)
n = 10000000 : array.last                 4.310000   0.010000   4.320000 (  4.316056)

FINISHED!
15.66user 0.01system 0:15.65elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+8outputs (0major+1056minor)pagefaults 0swaps

  JRuby-1.4: jruby 1.4.1 (ruby 1.8.7 patchlevel 174) (2010-04-26 ea6db6a) (OpenJDK 64-Bit Server VM 1.6.0_0) [amd64-java]
  /usr/bin/time /home/kurt/local/ruby/jruby-1.4.1/bin/jruby --fast problem/last_element.rb "JRuby-1.4" "measurement/last_element-JRuby-1.4.rb"
warmup: 10000000.. GO!
                                              user     system      total        real
n = 10000000 : array[-1]                  1.986000   0.000000   1.986000 (  1.882000)
n = 10000000 : array.last                 1.905000   0.000000   1.905000 (  1.905000)

FINISHED!
10.47user 0.51system 0:09.55elapsed 114%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+72outputs (1major+66338minor)pagefaults 0swaps

  Rubinius: rubinius 1.0.0-rc4 (1.8.7 9098d4d7 2010-03-31 JI) [x86_64-unknown-linux-gnu]
  /usr/bin/time /home/kurt/local/rubinius/master/bin/rbx  problem/last_element.rb "Rubinius" "measurement/last_element-Rubinius.rb"
warmup: 10000000.. GO!
                                              user     system      total        real
n = 10000000 : array[-1]                  1.493349   0.000000   1.493349 (  1.493350)
n = 10000000 : array.last                 2.168718   0.000000   2.168718 (  2.168747)

FINISHED!
11.19user 0.09system 0:10.93elapsed 103%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+32outputs (0major+13995minor)pagefaults 0swaps