Commits on Jul 26, 2017

1. construct row_sparse ndarray for dist-async …

   fix bug in rsp add
   
   rsp sync push
   
   race condition for push
   
   fix bug in rsp pull. refactor test
   
   cleanup comments
   
   refactor dist server
   
   fix lint
   
   fix storage shape issue with the new ndarray constructor
   
   data sharding draft;
   
   fix lint. add comment
   
   add support for zeros gradients
   
   use std::upper_bound/lower_bound
   
   remove special init function for rowsparse dist kvstore
   
   temporary support for inplace operators for sparse
   
   add test. fix return type
   
   store kRowSparseNDArray in kv server
   
   remove fcomp_ex sgd with dns weight and rsp gradient
   
   bug fix in sparse retain
   
   sparse pull c_api
   
   revise rowsparse pull api
   
   use engine to compute unique to ensure thread safety
   
   add rowsparse pull to dist-kv
   
   fix lint
   
   add example for rsp_pull
   
   remove name2idx;
   
   add sparse_pull_dict param to module
   
   fix unit test and  c rowid conversion

   

   eric-haibin-lin committed Jul 26, 2017
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2. support str key type in kvstore (apache#6765) …

   * update kvstore unit test
   
   * update model/module.py
   
   * fix lint
   
   * remove int keys in kvstore
   
   * update cast to str function
   
   * remove _cast_to_str_keys
   
   * fix lint
   
   * always cast to str
   
   Conflicts:
   	include/mxnet/c_api.h
   	include/mxnet/kvstore.h
   	python/mxnet/kvstore.py
   	python/mxnet/model.py
   	python/mxnet/module/module.py
   	src/c_api/c_api.cc
   	src/kvstore/kvstore_local.h
   	tests/python/unittest/test_kvstore.py

   

   eric-haibin-lin committed Jul 26, 2017
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3. update module API for other submodules …

   update stypes in kvstore after refactoring
   
   change type of size from size_t to int64_t
   
   add sparse linear regression example
   
   remove sparse_pull_dict from module
   
   fix init_optim for seq_module. update sparse example
   
   resolve conflict for binary add rsp rsp

   

   eric-haibin-lin committed Jul 26, 2017
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