HC

Philip Hyunsu Cho

@hcho3

Lead maintainer of XGBoost. Area of interest: Machine learning systems & algorithms.

Las Vegas, NV

Website

Joined October 2012

393 Followers

142 Following

AI Insights & Achievements

40/ 100

Consistency

10 day streak.

Veteran

Coding for 14 years.

Influencer

393 followers.

Public Repos

126

Total Stars

78

Total Forks

23

Public Gists

12

Top Languages

Based on primary language of repositories

Recent Activity

Contribution Graph

Activity Timeline

Commits and contributions grouped by day, week, or month.

High productivity periods

Most active day: January 28th, 2026 • 10 contributions

Most active week: Dec 8–Dec 14 • 32 contributions

Most active month: Jun 2025 • 64 contributions

IssueCommentEvent on rapidsai/cuml

February 5th, 2026 1:47 AM

IssueCommentEvent on rapidsai/cuml

February 4th, 2026 3:27 PM

PullRequestReviewEvent on dmlc/xgboost

February 4th, 2026 4:06 AM

IssueCommentEvent on rapidsai/cuml

February 4th, 2026 4:02 AM

IssueCommentEvent on rapidsai/cuml

February 3rd, 2026 6:59 PM

Pushed to fix_fil_overflow at hcho3/cuml

February 3rd, 2026 4:51 AM

PullRequestReviewEvent on dmlc/xgboost

January 31st, 2026 2:40 AM

DeleteEvent on hcho3/xgboost

January 30th, 2026 10:52 PM

Pushed to master at dmlc/xgboost

January 30th, 2026 10:52 PM

closed issue in dmlc/xgboost

January 30th, 2026 10:52 PM

GitHub Analytics

Philip Hyunsu Cho

Consistency

Veteran

Influencer