A Speedier Rails App using Rails 3.1 + Arel 2.0

1 · Fred Wu · Sept. 29, 2010, 12:51 a.m.

Before (Rails 3.0.1pre stable branch + Arel 1.0.1): After (Rails 3.1.0 master branch + Arel 2.0.0dev master branch: Thanks to the awesome…...