Parallel installation - pullreq
導入
Bundlerで並列処理？？bundle installを爆速で処理する方法。
$ gem install bundler --pre
$ bundle install --jobs=4
計測
使用したGemfile
Gemfile
source "https://rubygems.org"
gem "rails"
v1.3.5
| 1 | 2 | 3 | 4 | 5 | AVG | |
|---|---|---|---|---|---|---|
| real | 36.110s | 33.427s | 31.694s | 34.629s | 36.245s | 34.421s |
| user | 5.073s | 5.104s | 5.080s | 5.003s | 5.169s | 5.0858s |
| sys | 0.961s | 0.907s | 0.888s | 0.930s | 0.897s | 0.9166s |
v1.4.0.pre.1
| 1 | 2 | 3 | 4 | 5 | AVG | |
|---|---|---|---|---|---|---|
| real | 24.492s | 19.518s | 20.728s | 20.412s | 20.329s | 21.096s |
| user | 5.626s | 5.334s | 5.455s | 5.529s | 5.393s | 5.467s |
| sys | 1.185s | 1.051s | 1.097s | 1.051s | 1.071s | 1.091s |
v1.3.5 vs v1.4.0.pre.1
| v1.3.5 | v1.4.0.pre.1 | DIFF | |
|---|---|---|---|
| real | 34.421s | 21.096s | 13.325s |
| user | 5.086s | 5.467s | -0.382s |
| sys | 0.917s | 1.091s | -0.174s |