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¶
CSRNDArray - NDArray in Compressed Sparse Row Storage Format
Advantages of Compressed Sparse Row NDArray (CSRNDArray)
Prerequisites
Compressed Sparse Row Matrix
Example Matrix Compression
Array Creation
Inspecting Arrays
Storage Type Conversion
Copies
Indexing and Slicing
Sparse Operators and Storage Type Inference
Data Loading
Advanced Topics
GPU Support
Next
RowSparseNDArray - NDArray for Sparse Gradient Updates
Motivation
Prerequisites
Row Sparse Format
Array Creation
Function Overview
Setting Type
Inspecting Arrays
Storage Type Conversion
Copies
Retain Row Slices
Sparse Operators and Storage Type Inference
Sparse Optimizers
Advanced Topics
GPU Support
Next
Train a Linear Regression Model with Sparse Symbols
Prerequisites
Variables
Variable Storage Types
Bind with Sparse Arrays
Symbol Composition and Storage Type Inference
Basic Symbol Composition
Storage Type Inference
Storage Type Fallback
Inspecting Storage Types of the Symbol Graph
Training with Module APIs
Preparing the Data
Defining the Model
Training the model
Training the model with multiple machines or multiple devices