From: "Brian Schröder" <ruby@...>
Date: 2004-12-01T07:04:22+09:00
Subject: Re: profile

On Wed, 1 Dec 2004 06:52:47 +0900
"Joe Van Dyk" <joe.vandyk@boeing.com> wrote:

> Hi,
> 
> Still pretty new to Ruby and profiling.  Are there any tools I can use to
> analyze my Ruby program to see where it's spending the bulk of the CPU time?
> 
> Thanks,
> Joe
> 
> 

ruby -rprofile -e'puts (1..200).inject(0) { | r, i | r + (-1)**i  *  1.0 / i }'
-0.690653430481824
  %   cumulative   self              self     total
 time   seconds   seconds    calls  ms/call  ms/call  name
 44.44     0.04      0.04        1    40.00    80.00  Range#each
 22.22     0.06      0.02      200     0.10     0.10  Fixnum#**
 22.22     0.08      0.02      200     0.10     0.10  Float#/
  0.00     0.08      0.00        1     0.00     0.00  Fixnum#+
  0.00     0.08      0.00      200     0.00     0.00  Fixnum#*
  0.00     0.08      0.00        1     0.00     0.00  Kernel.puts
  0.00     0.08      0.00        2     0.00     0.00  IO#write
  0.00     0.08      0.00      199     0.00     0.00  Float#+
  0.00     0.08      0.00        1     0.00    80.00  Enumerable.inject
  0.00     0.08      0.00        1     0.00    90.00  #toplevel
  0.00     0.08      0.00        1     0.00     0.00  Profiler__.start_profile
  0.00     0.08      0.00        1     0.00     0.00  Float#to_s



-- 
Brian Schr�der
http://www.brian-schroeder.de/