Itseez/opencv — pull request #3456 by wangyan42164 (2014-11-27 04:11:18+00:00)
Title: OCL: Remove unnecessary barriers.

In my Intel Atom platfom, the mean value is changed:
OCL_HoughLinesFixture_HoughLines.HoughLines/10: 16 -> 14
OCL_HoughLinesFixture_HoughLines.HoughLines/14: 40 -> 38