From: Jan Friedrich <janfri.rubyforge@...>
Date: 2008-06-11T17:04:49+09:00
Subject: Re: [ANN] Bench 1.0.0 released

Ryan Davis wrote:
> If I don't remember how to use the benchmark library, why would I
> remember how to use your DSL?
Because it has only 2 commands: benchmark and run. ;)

> That is what ri is for. `ri Benchmark` obviates the need for Bench.
Maybe, but with bench it's a pleasure to doing benchmarks interactive 
with irb:

  >> require 'bench'

  >> benchmark 'simple' do
  ?>   /ll/ =~ 'hello world'
  >> end

  >> benchmark 'freezed' do
  ?>   /ll/.freeze =~ 'hello world'
  >> end

  >> run 1000
               user     system      total        real
  simple   0.000000   0.000000   0.000000 (  0.003960)
  freezed  0.010000   0.000000   0.010000 (  0.004870)

  >> run 1000
               user     system      total        real
  simple   0.010000   0.000000   0.010000 (  0.003969)
  freezed  0.000000   0.000000   0.000000 (  0.004624)

  >> # let's try more iterations
  ?> run 10000
               user     system      total        real
  simple   0.060000   0.000000   0.060000 (  0.058049)
  freezed  0.060000   0.000000   0.060000 (  0.058636)

  >> run 100000
               user     system      total        real
  simple   0.500000   0.000000   0.500000 (  0.502427)
  freezed  0.540000   0.000000   0.540000 (  0.533421)

  >> # now another benchmark sample
  ?> RE = /ll/

  >> benchmark 'constant' do
  ?>   RE =~ 'hello world'
  >> end

  >> run
                user     system      total        real
  simple    0.000000   0.000000   0.000000 (  0.000031)
  freezed   0.000000   0.000000   0.000000 (  0.000469)
  constant  0.000000   0.000000   0.000000 (  0.000031)

But It's certainly a question of taste. :)

Regards,
Jan Friedrich