v0.2.0b2

This is the release notes of v0.2.0b2. See here for the complete list of solved issues and merged PRs.

New Features

• DataFrame
  • Support unary ops for DataFrame. (#432)
  • Add radd implementation for DataFrame (#506)
• Tensor
  • Add fancy indexing support (#444)
  • Implement randomized_svd (#388)
• Add mutable tensor support for local cluster (#464)

Enhancements

• Remove handle_params and calc_shape in operand class (#443)
• Simplify building executable graph (#455)
• Replace default_name with default_uid (#466)
• Remove --ui-port option for Mars Web (#482)
• Add serialize support for complex type (#488)
• Refactor web using standalone tornado handlers (#512)
• Define __str__ and __repr__ for DataFrame, Index, and Series. (#511)

Bug fixes

• Fix memory size estimation for Fuse nodes (#436)
• Avoid shuffle for adding two dataframes whose index and columns are identical (#456)
• Fix compression types when transferring files (#459)
• Fix promise reference counting issues (#474)
• Add resource heartbeat to avoid fake worker death (#471)
• Use lazy import for cupy and cudf (#480)
• Add placement_order as a priority item (#498)
• Specify an __order__ attribute in Enum class OperandState (#502)
• Move scheduler policy back to v0.1 (#445)
• Send callback on quota allocation failure (#516)

Installation

• Build wheel for tag cp27-cp27m (#457)