>>354
ありがとうございます。でもmake benchmark するとこんなエラーになりました。(MacOS X)
ruby 1.8.6 (2007-03-13) [i686-darwin8.9.1] ./benchmark/bm_app_factorial.rb:3:in `fact': stack level too deep (SystemStackError)
from ./benchmark/bm_app_factorial.rb:3:in `fact'
from ./benchmark/bm_app_factorial.rb:10
from ./benchmark/bm_app_factorial.rb:9:in `times'
from ./benchmark/bm_app_factorial.rb:9

-----------------------------------------------------------
raw data:

[["app_answer", [[1.13867712020874], [0.300807952880859]]],
["app_erb", [[3.94854784011841], [3.80503916740417]]]]

Elapesed time: 9.382825 (sec)
-----------------------------------------------------------
benchmark results:
name ruby 1.8.6 (2007-03-13) [i686-darwin8.9.1] ruby 1.9.0 (2007-12-05) [i686-darwin8.11.1]
app_answer 1.139 0.301
app_erb 3.949 3.805
./benchmark/driver.rb:210:in `measure': Benchmark process exited with abnormal status (256) (RuntimeError)
from ./benchmark/driver.rb:194:in `measure_file'
from ./benchmark/driver.rb:22:in `map'