Train distributed RF over global rows - #2

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RAMitchell wants to merge 12 commits into

bug-distributed-rf-quantile-samplingfrom

bug-distributed-rf-global-hist-allreduce

Commits on May 27, 2026

Add distributed RF histogram all-reduce path
RAMitchell
committed
6729a0d
Unify RF split kernels for global histograms
RAMitchell
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ecfdfda
Unify distributed RF quantile samples
RAMitchell
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3d5b867
All-reduce distributed RF leaf values
RAMitchell
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c7ae8d2
Serialize distributed RF tree training
RAMitchell
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d6565f1
Test distributed RF stream cap and empty partitions
RAMitchell
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cc88757
Avoid empty-rank zero-row data access
RAMitchell
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1ad1b8e
Enforce positive global RF rows
RAMitchell
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c2b0940
Wire Dask RF to distributed tree builder
RAMitchell
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bcf98f9
Fix Dask RF distributed fit plumbing
RAMitchell
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c373090
Simplify Dask RF tests for global training
RAMitchell
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55f86d0
Add multiclass distributed RF C++ coverage
RAMitchell
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2f00e5f