Bundler 1.4.0 Adds Support For Parallel Gem Installation

Chris Oliver

August 28, 2013

Bundler has always been one of the slowest parts of fiddling with a Rails application, but it's always been a pretty essential tool for any Ruby or Rails application.

A quote from the Github issue:

At one project, which have over 200 gems to be installed, initial bundle -j4 is faster than bundle by about four minutes.

bundle --path sequential  183.03s user 45.13s system 38% cpu 9:55.48 total
bundle --path parallel -j4  234.85s user 50.14s system 77% cpu 6:05.52 total

That's a fantastic improvement and one that will certainly make the lives of many developers just a little bit better.

So if you want to get started using bundler with parallel gem installation, just fire this off in your terminal:

gem install bundler --pre

P.S. You might enjoy following me on Twitter.


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