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Forward-merge branch-24.12 into branch-25.02 #6160

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merged 1 commit into from
Dec 5, 2024
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@rapids-bot rapids-bot bot commented Dec 5, 2024

Forward-merge triggered by push to branch-24.12 that creates a PR to keep branch-25.02 up-to-date. If this PR is unable to be immediately merged due to conflicts, it will remain open for the team to manually merge. See forward-merger docs for more info.

…stic regression (#6138)

MG variance calculation currently involks raft SG vars API. However, the abs() step of raft SG vars API introduces errors in skewed data distribution (e.g., one GPU gets small values 1 and 2, and the other GPU gets large values 98 and 99). 

The PR avoids the effect of abs() when involking SG vars for calculating MG vars. The key idea is to pass a vector of zeroes when calling SG vars.

Authors:
  - Jinfeng Li (https://github.com/lijinf2)

Approvers:
  - Dante Gama Dessavre (https://github.com/dantegd)

URL: #6138
@rapids-bot rapids-bot bot requested a review from a team as a code owner December 5, 2024 15:22
@rapids-bot rapids-bot bot requested review from bdice and wphicks December 5, 2024 15:22
@GPUtester GPUtester merged commit ba482f2 into branch-25.02 Dec 5, 2024
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rapids-bot bot commented Dec 5, 2024

SUCCESS - forward-merge complete.

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