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Viiite

Build Status Dependency Status

Viiite brings tools to benchmark and analyze the complexity of your algorithms. It has been designed as an alternative to Benchmark that let your benchmarks evolve smoothly from simple measures to more complex infrastructures.

[sudo] gem install viiite

Viiite uses semantic versionning and has not yet reached the public API required for 1.0.0. The safe way to require viiite for now is as follows:

gem "viiite", "~> 0.2.0"

Learn more on the github-pages of this project!

Links

From simple measures ...

Viiite.bench do |r|
  n = 15000
  r.report(:for)   { for i in 1..n; a = "1"; end }
  r.report(:times) { n.times do   ; a = "1"; end }
  r.report(:upto)  { 1.upto(n) do ; a = "1"; end }
end
$ viiite report bench_iteration.rb
+--------+----------+----------+----------+----------+
| :bench | :user    | :system  | :total   | :real    |
+--------+----------+----------+----------+----------+
| :for   | 0.010000 | 0.000000 | 0.010000 | 0.013039 |
| :times | 0.000000 | 0.000000 | 0.000000 | 0.003753 |
| :upto  | 0.010000 | 0.000000 | 0.010000 | 0.003803 |
+--------+----------+----------+----------+----------+

To more complex ones ...

Viiite.bench do |r|
  r.variation_point :ruby, Viiite.which_ruby
  n = 15000
  r.report(:for)   { for i in 1..n; a = "1"; end }
  r.report(:times) { n.times do   ; a = "1"; end }
  r.report(:upto)  { 1.upto(n) do ; a = "1"; end }
end
$ rvm exec viiite run bench_iteration.rb | viiite report --hierarchy --regroup=bench,ruby
+--------+-------------------------------------------------------+
| :bench | :measure                                              |
+--------+-------------------------------------------------------+
| :for   | +----------------+-------+---------+--------+-------+ |
|        | | :ruby          | :user | :system | :total | :real | |
|        | +----------------+-------+---------+--------+-------+ |
|        | | ruby 1.8.7     | 0.000 |   0.000 |  0.000 | 0.004 | |
|        | | ruby 1.9.3dev  | 0.010 |   0.000 |  0.010 | 0.014 | |
|        | +----------------+-------+---------+--------+-------+ |
| :times | +----------------+-------+---------+--------+-------+ |
|        | | :ruby          | :user | :system | :total | :real | |
|        | +----------------+-------+---------+--------+-------+ |
|        | | ruby 1.8.7     | 0.020 |   0.000 |  0.020 | 0.018 | |
|        | | ruby 1.9.3dev  | 0.010 |   0.000 |  0.010 | 0.004 | |
|        | +----------------+-------+---------+--------+-------+ |
| :upto  | +----------------+-------+---------+--------+-------+ |
|        | | :ruby          | :user | :system | :total | :real | |
|        | +----------------+-------+---------+--------+-------+ |
|        | | ruby 1.8.7     | 0.010 |   0.000 |  0.010 | 0.004 | |
|        | | ruby 1.9.3dev  | 0.010 |   0.000 |  0.010 | 0.011 | |
|        | +----------------+-------+---------+--------+-------+ |
+--------+-------------------------------------------------------+

To awesomeness ...

Viiite.bench do |b|
  b.variation_point :ruby, Viiite.which_ruby
  b.range_over([100, 200, 300, 400, 500], :size) do |size|
    bench_case = Array.new(size){ rand }
    b.report(:bubblesort){ bench_case.bubblesort }
  end
end
$ viiite plot bench_sort.rb -x size -y tms.total --graph=viiite --series=ruby --gnuplot | gnuplot
                                    bubblesort

  0.35 ++-------+-------+--------+-------+--------+--------+-------+-------++
       +        +       +        +       +        +       ruby 1.8.7 **A*** +
       |                                               ruby 1.9.3dev ##B### |
   0.3 ++                                                               ***++
       |                                                             ***    |
  0.25 ++                                                          **      ++
       |                                                        ***         |
       |                                                     ***            |
   0.2 ++                                                 *A*              ++
       |                                              ****                  |
       |                                          ****                      |
  0.15 ++                                      ***                         ++
       |                                   ****                             |
       |                               **A*                                 |
   0.1 ++                        ******                             ########B
       |                   ******                      ####B########        |
  0.05 ++           ****A**                   #########                    ++
       |    ********             ########B####                              |
       A****    ########B########+       +        +        +       +        +
     0 B########+-------+--------+-------+--------+--------+-------+-------++
      100      150     200      250     300      350      400     450      500

On the devel side

Fork the project on github ... and so on.

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