* add dist ut for text_classification
* add dist ut for text_classification
* add simnet bow unittest
* add dist ut for simnet bow
* add trainning data url for simnet bow
* add trainning data url for simnet bow
* modify simnet test_reader to train reader
* add test_dist_ctr
* test_dist_ctr can run now
* dense update is good
* add unit test for selected rows
* debug unit test
* fix dist sparse update problem
* Constant args at init
* optimize code
* simnet optimize
* fix DebugStringEx
* optimize sum_op.h
* add ScaleOpVarTypeInference
* clean code
* fix test_dist_transpiler.py
* code optimize
* modify delta
* fix sparse update bug
* dist test use one cpu
* update some data
* remove unused code
* add use cuda config
* unit test fix
* unit test fix
* unit test fix
* unit test fix
* dist_word2vec use CPU
* unit test fix
* unit test fix
* code clean
* code clean
* merge develop
* api spec update
* Revert: api spec update
* replace simnet data with fake
* replace simnet data with fake
* update dim
* add batch auc
* code clean
* code clean
* modify print to stderr
* update simnet delta -> 1e-5
* update RUN_STEP
* add use_reader_alloc
* add use_reader_alloc
* add use_reader_alloc
* modify delta
* add use_reader_alloc
* fix stderr write
* python3 compatibility
test=develop
* python3 compatibility, test=develop
* Update dist_text_classification.py
* test=develop
* wip
* clean up
* should fix running with memopt
* add ut
* mark lr schedule op role
* hide lr_schedule_guard
* use op_role_var instead of ufind
* unify dist test name
* wip for py3 support
* fix var deref
* fix python3 mem_opt order
* remove comments
* Fuse Convolution and Eltwise Add into Conv+Bias
* Reduce bias branching at conv_mkldnn_op
* Add MKLDNN build checks for Conv Bias
* Conv-bias: check if bias input exist befor assignment
* Conv-bias: Remove Bias dim check from infershape
It was causing conv3d test to crash upon\ncalling HasInput(Bias)
Wu Yi
tangwei12
Qiao Longfei
luotao1
Yu Yang
gongweibao
dzhwinter
Michał Gallus
Michal Gallus
Haihao Shen
minqiyang
Qiyang Min