“cf5ac5888edbd970525d409dd3ad0a08ab544b5d”上不存在“python/paddle/v2/fluid/tests/unittests/test_scale_op.py”
* wip multi process multi gpu dist training * workable for p2p * update test=develop * change back env name test=develop * fix alloc init * fix cpu build test=devlop * fix mac tests test=develop * refine code * refine test=develop