test=develop

fix split_byref_op infer shape

* - Reuse of conv PD

- conv transpose pd reused

- Added PD reusing of softmax and Batch Norm

- Refactoring and removal of not needed routines of mkl-dnn ops

test=develop

- Fix to reusing conv

test=develop

- Lint fixes

test=develop

- Further lint fixes

test=develop

- Lint  fixes

test=develop

- lint fixes

test=develop

- Lint workaround

test=develop

* - Fix after review on including boost as third party header

test=develop

* - Fix after review. Name change to something more descriptive

test=develop

* optimize lstmp and sample_logits op, test=develop

* update op_use_default_grad_op_maker.spec, test=develop

* delete useless file,test=develop

* append 0 to dim variable to avoid memory reusage, test=develop

* test=develop, fix hsigmoid dereference nullptr

* test=develop, refine condition

* test=develop, refine comments

infer shape compatable -1. test=develop

supprt high rank

Fix conv_shift_op infershape

test=develop

Fix split

Fix auto growth bug of python dict in dygraph mode

add continuous value model op

fix memory optim temporarily

All any

* add SaveOptimModel interface in analysis_predictor.h and test it in analyzer_dam_tester and analyzer_resnet50_tester test=develop

fix the hang bugs of memory copying. test=develop

test=develop

test=develop, split complie option by internal and exposed

Reduce test_calibration test time by using large batchsize

Optimize merge add

test=develop

Add async sparse param update recorder

test=develop

test=develop

Fix python codestyle in incubator

* enable recurrent op test=develop

* fix bug of fuse optimize ops

test=develop

* replace ThreadedExecutor with FastThreadedExecutor
test=develop

* Fix Travise CI
test=develop

* Test FastThreadedSSAGraphExecutor
test=develop

* refine parallel_ssa_graph_executor.cc
test=develop

* make test_dyn_rnn faster

bug fix: reduce_all, reduce_any register GRAD_OP, but have not defined GradKernel