Move benchmarks to this repo#824

Merged

yebai merged 14 commits intomasterfrom

Jul 3, 2019

Commits on Jun 27, 2019

add Dummy benchmarks
KDr2
committed
new benchmark: gdemo
KDr2
committed

Commits on Jul 2, 2019

Commits on Jul 3, 2019

run benchmark against master branch
KDr2
committed