From: Joe Van Dyk <joevandyk@...>
Date: 2005-08-29T16:20:04+09:00
Subject: Re: Benchmark question

ruby 1.8.2, compiled on Redhat 9.

On 8/27/05, Mohit Muthanna <mohit.muthanna@gmail.com> wrote:
> > What version of Ruby are you on?
> >
> > Here's what I see:
> >
> > mohit@reddwarf log $ irb
> > irb(main):001:0> require 'benchmark'
> > => true
> > irb(main):002:0> Benchmark.measure{ 1000000.times{ |i| i + 1 } }
> > => #<Benchmark::Tms:0xb7d57984 @cutime=0.0, @label="", @stime=0.0,
> > @real=0.589663028717041, @utime=0.59, @cstime=0.0, @total=0.59>
> > irb(main):004:0> quit
> > mohit@reddwarf log $ ruby -v
> > ruby 1.8.2 (2004-12-25) [i686-linux]
> > mohit@reddwarf log $
> >
> > Real time on my results are also lower than user time. But this may be
> > a floating-point precision thing.
> >
> > I think your version of Benchmark is expressing "real time" in
> > seconds, and the others in centi-seconds.
> >
> > Mohit.
> >
> > On 8/26/05, Joe Van Dyk <joevandyk@gmail.com> wrote:
> > > irb(main):015:0> Benchmark.measure { 1000000.times { |i| i + 1 } }
> > > =>
> > > #<Benchmark::Tms:0x400fa914 @cutime=0.0, @label="", @stime=0.0,
> > > @real=0.514808893203735, @utime=4.95, @cstime=0.0, @total=4.95>
> > >
> > > Why is user time bigger than real time?  I'm confused by the
> > > relationship between these numbers.
> > >
> > >
> >
> >
> > --
> > Mohit Muthanna [mohit (at) muthanna (uhuh) com]
> > "There are 10 types of people. Those who understand binary, and those
> > who don't."
> >
> 
> 
> --
> Mohit Muthanna [mohit (at) muthanna (uhuh) com]
> "There are 10 types of people. Those who understand binary, and those
> who don't."
> 
>