[Rails] Integer#gcd makes tests go slow

[David Heinemeier Hansson]

> Will switching to YAML fixtures make this faster?

It doesn't seem like it. I just ran this test:

   1000.times do YAML::load "date: 2005-12-12" end

Envy:~ david$ ruby -r yaml -r profile test.rb
   %   cumulative   self              self     total
  time   seconds   seconds    calls  ms/call  ms/call  name
  33.28    18.69     18.69     3000     6.23     9.12  Integer#gcd
   6.82    22.52      3.83    71000     0.05     0.05  Fixnum#==
   6.11    25.95      3.43     3000     1.14    11.69  Rational#reduce
   5.77    29.19      3.24     1000     3.24     5.59  Date#jd_to_civil
   5.04    32.02      2.83     5000     0.57     0.74  
Rational#initialize
   4.31    34.44      2.42    45000     0.05     0.05  Fixnum#[]
   3.95    36.66      2.22     1000     2.22     4.19  Date#civil_to_jd
   3.01    38.35      1.69     2000     0.85     7.94  Rational#/
   2.48    39.74      1.39    23000     0.06     1.27  Fixnum#-
   2.14    40.94      1.20    19000     0.06     0.06  Kernel.kind_of?

Seems like its inherent in dealing with dates. I wonder if you can turn 
of reducing action for a while.
--
David Heinemeier Hansson,
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