v0.9.0a1

[qinxuye]

This is the release notes of v0.9.0a1. See here for the complete list of solved issues and merged PRs.

New Features

• Tensor
  • Implements mt.bincount (Implements mt.bincount #2548)
• DataFrame
  • Support Series.median() (Support Series.median() #2566, thanks @perfumescent!)
• Learn
  • Add mars.learn.metrics.multilabel_confusion_matrix and derivative metrics (Add mars.learn.metrics.multilabel_confusion_matrix and derivative metrics #2554)
• Services
  • Add basic profiling support for supervisor (Add basic profiling support for supervisor #2586)

Enhancements

• Add app_queue in new_cluster (Add app_queue in new_cluster #2550, thanks @xxxxsk!)
• Implement web API of get_infos (Implement web API of get_infos #2558)
• Reduce time cost of cpu_percent() calls (Reduce time cost of cpu_percent() calls #2567)
• Reduce estimation time cost (Reduce estimation time cost #2577)
• [ray] refine mars on ray usability ([ray] refine mars on ray usability #2580)
• [ray] Refine raydataset integration ([ray] Refine raydataset integration #2579)
• Optimize tileable graph construction (Optimize tileable graph construction #2583)
• Stop calling user funcs when dtypes is specified (Stop calling user funcs when dtypes is specified #2587)
• Supports adding Mars extensions via setup entrypoints (Supports adding Mars extensions via setup entrypoints #2589)
• Skip details of shuffled chunks in meta (Skip details of shuffled chunks in meta #2600)
• Reduce the time cost of fetching tileable data (Reduce the time cost of fetching tileable data #2594)
• Use batched request to apply for slots (Use batched request to apply for slots #2601)
• Reduce RPC cost of oscar by removing unnecessary tasks (Reduce RPC cost of oscar by removing unnecessary tasks #2597)

Bug fixes

• Fix index series.apply when result index unchanged (Fix index series.apply when result index unchanged #2557)
• Stop using asdict to handle dataclasses (Stop using asdict to handle dataclasses #2561)
• Fix tests under cudf 21.10 ([BACKPORT] Fix tests for cudf 21.10 (#2574) #2608)
• Fix DataFrame getitem when exists duplicate columns (Fix DataFrame getitem when exists duplicate columns #2581)
• Upgrade required version of vineyard. (Upgrade required version of vineyard. #2588)
• Fix progress always is 0 or 100% (Fix progress always is 0 or 100% #2591)
• Make Proxima work with latest Mars (Make Proxima work with latest Mars #2599, thanks @yuyiming!)
• Fix None dtype for some unary tensor functions (Fix None dtype for some unary tensor functions #2603)
• Fix duplicate decref of subtask input chunk (Fix duplicate decref of subtask input chunk #2611, thanks @Catch-Bull!)

Documentation

• Add a document about how to implement a Mars operand (Add a document about how to implement a Mars operand #2562)

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This discussion was created from the release v0.9.0a1.