Unit test that compares net snippets after parallelization
Unit test that compares net snippets after parallelization

Summary:
- This is meant as a set of examples on how parallelize_net works.
- Currently, only one example is provided. More to be added.

Reviewed By: mraway, xianjiec

Differential Revision: D6240160

fbshipit-source-id: 6f6f2d77445825883e050498cb6e06fb74508bbf

sf-wind/caffe2,davinwang/caffe2,Yangqing/caffe2,pietern/caffe2,davinwang/caffe2,sf-wind/caffe2,xzturn/caffe2,pietern/caffe2,xzturn/caffe2,Yangqing/caffe2,pietern/caffe2,caffe2/caffe2,xzturn/caffe2,davinwang/caffe2,xzturn/caffe2,davinwang/caffe2,davinwang/caffe2,Yangqing/caffe2,xzturn/caffe2,pietern/caffe2,sf-wind/caffe2,sf-wind/caffe2,pietern/caffe2,Yangqing/caffe2,Yangqing/caffe2,sf-wind/caffe2