benchmark.rb

require "benchmark/ips"

$LOAD_PATH.unshift("./lib")

require "rugged"

Benchmark.ips do |x|
  # Typical mode, runs the block as many times as it can
  x.report("Rugged::Repository.open") { Rugged::Repository.open("test/fixtures/testrepo.git") }

  # Typical mode, runs the block as many times as it can
  repo = Rugged::Repository.open("test/fixtures/testrepo.git")
  x.report("Rugged::Branch.each") { Rugged::Branch.each(repo) { |name| } }
  x.report("Rugged::Tag.each") { Rugged::Tag.each(repo) { |name| } }
  x.report("Rugged::Reference.each") { Rugged::Reference.each(repo) { |name| } }
  x.report("Rugged::Reference.lookup") { Rugged::Reference.lookup(repo, "refs/heads/master") }
end

mri-binary.txt

Arthurs-iMac-2:rugged arthur$ ruby bench.rb
Calculating -------------------------------------
Rugged::Repository.open
                          1258 i/100ms
 Rugged::Branch.each       886 i/100ms
    Rugged::Tag.each       786 i/100ms
Rugged::Reference.each
                          1087 i/100ms
Rugged::Reference.lookup
                          6896 i/100ms
-------------------------------------------------
Rugged::Repository.open
                        13912.9 (±11.4%) i/s -      67932 in   5.017153s
 Rugged::Branch.each     9530.2 (±4.5%) i/s -      47844 in   5.033163s
    Rugged::Tag.each     8409.3 (±0.6%) i/s -      42444 in   5.047474s
Rugged::Reference.each
                        11637.3 (±1.4%) i/s -      58698 in   5.044986s
Rugged::Reference.lookup
                        93143.6 (±12.8%) i/s -     462032 in   5.062441s

mri-ffi.txt

Arthurs-iMac-2:rugged arthur$ LD_LIBRARY_PATH=vendor/libgit2/build/ ruby bench.rb 
Calculating -------------------------------------
Rugged::Repository.open
                           924 i/100ms
 Rugged::Branch.each       993 i/100ms
    Rugged::Tag.each       701 i/100ms
Rugged::Reference.each
                           953 i/100ms
Rugged::Reference.lookup
                          2869 i/100ms
-------------------------------------------------
Rugged::Repository.open
                         9957.4 (±14.4%) i/s -      48972 in   5.077639s
 Rugged::Branch.each    10482.9 (±6.6%) i/s -      52629 in   5.047112s
    Rugged::Tag.each     7195.3 (±1.8%) i/s -      36452 in   5.067906s
Rugged::Reference.each
                         9740.0 (±5.2%) i/s -      48603 in   5.005647s
Rugged::Reference.lookup
                        32233.5 (±11.7%) i/s -     160664 in   5.054503s

rbx-binary.txt

Arthurs-iMac-2:rugged arthur$ LD_LIBRARY_PATH=vendor/libgit2/build/ ruby bench.rb 
Calculating -------------------------------------
Rugged::Repository.open
                          1263 i/100ms
 Rugged::Branch.each       919 i/100ms
    Rugged::Tag.each       782 i/100ms
Rugged::Reference.each
                          1101 i/100ms
Rugged::Reference.lookup
                          7603 i/100ms
-------------------------------------------------
Rugged::Repository.open
                        13553.0 (±11.0%) i/s -      66939 in   5.009329s
 Rugged::Branch.each     9294.2 (±2.0%) i/s -      46869 in   5.044808s
    Rugged::Tag.each     8206.6 (±0.5%) i/s -      41446 in   5.050501s
Rugged::Reference.each
                        11634.8 (±0.6%) i/s -      58353 in   5.015599s
Rugged::Reference.lookup
                        82444.5 (±4.5%) i/s -     418165 in   5.082872s

rbx-ffi.txt

Arthurs-iMac-2:rugged arthur$ LD_LIBRARY_PATH=vendor/libgit2/build/ ruby bench.rb 
Calculating -------------------------------------
Rugged::Repository.open
                           842 i/100ms
 Rugged::Branch.each       766 i/100ms
    Rugged::Tag.each       597 i/100ms
Rugged::Reference.each
                           691 i/100ms
Rugged::Reference.lookup
                          2336 i/100ms
-------------------------------------------------
Rugged::Repository.open
                         9000.3 (±8.1%) i/s -      45468 in   5.086190s
 Rugged::Branch.each     8141.9 (±1.5%) i/s -      41364 in   5.081552s
    Rugged::Tag.each     6142.8 (±3.3%) i/s -      31044 in   5.059401s
Rugged::Reference.each
                         7168.7 (±0.7%) i/s -      35932 in   5.012614s
Rugged::Reference.lookup
                        26669.7 (±4.7%) i/s -     133152 in   5.004558s