From: ts <decoux@...>
Date: 2001-11-03T02:06:07+09:00
Subject: [ruby-talk:24181] Re: Performance of Marshal.dump

>>>>> "D" == Darrin Thompson <dthompson@characterlink.net> writes:

D> Could I get out of that "assignment" if instead I provide a simple 
D> program that duplicates the problem for me?

pigeon% cat b.rb
#!/usr/bin/ruby -v

class MyData
    attr_accessor (:a, :b, :c, :d, :e)
    def initialize(a, b, c, d, e)
        @a=a
        @b=b
        @c=c
        @d=d
        @e=e
    end
end


array=Array.new

(1..6000).each { | i |
    array.push( MyData.new(i, "zippy", "foo", "bar", "x"))
}

value=Marshal.dump(array)
p value.length
pigeon% 

pigeon% time b.rb
ruby 1.6.5 (2001-09-19) [i686-linux]
ruby 1.6.5 (2001-09-19) [i686-linux]
./b.rb:4: warning: attr_accessor (...) interpreted as method call
227645

real    1m10.694s
user    1m10.620s
sys     0m0.070s
pigeon%
 
pigeon% time ./ruby -v b.rb
ruby 1.7.1 (2001-11-01) [i686-linux]
b.rb:4: warning: attr_accessor (...) interpreted as method call
mark stack overflow
227645

real    0m0.404s
user    0m0.400s
sys     0m0.000s
pigeon% 


Guy Decoux