[GitHub] reminisce opened a new pull request #7604: Refactor random linalg contrib namespaces

[gi...@git.apache.org]

reminisce opened a new pull request #7604: Refactor random linalg contrib namespaces
URL: https://github.com/apache/incubator-mxnet/pull/7604
 
 
   ### What're included:
   1. Added **contrib.py**, **linalg.py**, and **random.py** under the folders **python/mxnet/ndarray** and **python/mxnet/symbol** for registering ops of those categories.
   2. Consolidated op registration functions: [_init_ndarray_module](https://github.com/apache/incubator-mxnet/blob/master/python/mxnet/ndarray/op.py#L174) and [_init_symbol_module](https://github.com/apache/incubator-mxnet/blob/master/python/mxnet/symbol/op.py#L206) into a single one [_init_op_module](https://github.com/apache/incubator-mxnet/compare/master...reminisce:refactor_random_linalg_contrib_namespaces?expand=1#diff-bdc88d735b5304ea6d327d5c0144b6efR381) in python/mxnet/base.py.
   3. Changed to use the new namespace ops in all unit tests and examples.
   
   ### The ops under the newly added namespaces:
   ```python
   >>> import mxnet as mx
   >>> dir(mx.nd.contrib)
   ['CTCLoss', 'DeformableConvolution', 'DeformablePSROIPooling', 'MultiBoxDetection', 'MultiBoxPrior', 'MultiBoxTarget', 'MultiProposal', 'PSROIPooling', 'Proposal',..., 'count_sketch', 'ctc_loss', 'dequantize', 'fft', 'ifft', 'quantize']
   >>> dir(mx.sym.contrib)
   ['CTCLoss', 'DeformableConvolution', 'DeformablePSROIPooling', 'MultiBoxDetection', 'MultiBoxPrior', 'MultiBoxTarget', 'MultiProposal', 'PSROIPooling', 'Proposal',..., 'count_sketch', 'ctc_loss', 'dequantize', 'fft', 'ifft', 'quantize']
   >>> dir(mx.nd.random)
   [..., 'exponential', 'gamma', 'generalized_negative_binomial', 'negative_binomial', 'normal', 'poisson', 'uniform']
   >>> dir(mx.sym.random)
   [..., 'exponential', 'gamma', 'generalized_negative_binomial', 'negative_binomial', 'normal', 'poisson', 'uniform']
   >>> dir(mx.nd.linalg)
   [..., 'gemm', 'gemm2', 'potrf', 'potri', 'sumlogdiag', 'trmm', 'trsm']
   >>> dir(mx.sym.linalg)
   [..., 'gemm', 'gemm2', 'potrf', 'potri', 'sumlogdiag', 'trmm', 'trsm']
   ```
   
   ### The following two namespaces are kept for backward compatibility.
   ```python
   >>> dir(mx.contrib.sym)
   ['CTCLoss', 'DeformableConvolution', 'DeformablePSROIPooling', 'MultiBoxDetection', 'MultiBoxPrior', 'MultiBoxTarget', 'MultiProposal', 'PSROIPooling', 'Proposal',..., 'count_sketch', 'ctc_loss', 'dequantize', 'fft', 'ifft', 'quantize']
   >>> dir(mx.contrib.nd)
   ['CTCLoss', 'DeformableConvolution', 'DeformablePSROIPooling', 'MultiBoxDetection', 'MultiBoxPrior', 'MultiBoxTarget', 'MultiProposal', 'PSROIPooling', 'Proposal',..., 'count_sketch', 'ctc_loss', 'dequantize', 'fft', 'ifft', 'quantize']
   ```
   
   @piiswrong @eric-haibin-lin @szha 
 
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