Developer Profile

Sutou Kouhei

@kou

Tokyo, Japan

GitHub

Impact Score Overview

Developer Impact & Statistics

Final Score

58 / 100Raw: 1212.00

Repository Score

30 / 100Raw: 42.00

PR Score

90 / 100Raw: 2635.00

Contribution Score

42 / 100Raw: 72.00

Score Weight Distribution

finalScore = repoScore * 0.45 + prScore * 0.45 + contributionScore * 0.10

Repository Score (45%)2% of final signal

Pull Request Score (45%)98% of final signal

Contribution Score (10%)0% of final signal

Top Work

Top Work & Highlights

Top Repositories

Most impactful repositories and pull requests

#1pg-copy-arrow

stars3

forks0

C++ 6700%Meson 1300%Ruby 1100%

Score

#2php-document-search

stars11

forks2

PHP 9800%HTML 200%Vue 100%

Score

#3segv-handler-gdb

stars10

forks1

Ruby 5200%C 4800%

Score

Top Pull Requests

Most impactful repositories and pull requests

#1Make IO::Buffer MemoryView ready

in ruby/ruby

stars on the PR repository23697

+515/-22

Ruby 5800%C 3000%Rust 800%

111

Score

#2GH-50648: [Packaging][Linux] Enable OpenTelemetry

in apache/arrow

stars on the PR repository17077

+197/-177

C++ 7700%Python 800%Ruby 600%

107

Score

#3GH-50572: [Ruby] Add `ArrowFormat::RecordBatch#records`

in apache/arrow

stars on the PR repository17077

+309/-39

C++ 7700%Python 800%Ruby 600%

107

Score

Community Contributions

comments

#1Issue

Add support for parsing chunked data

ruby/json

stars782

comments35

Score

#2Issue

[CI] Reduce GitHub Actions usage

apache/arrow

stars17077

comments10

Score

#3Issue

[CI][C++] Add a CI job that uses the same build options for JNI on Windows

apache/arrow

stars17077

comments6

Score

Scoring Transparency

▼

Repositories analyzed

Pull requests analyzed

300

Merged external PRs counted

300

Own-repo PRs ignored

Unmerged PRs ignored

Unique external repositories

Issues analyzed

100

External issues counted

100

Discussions analyzed

External discussions counted

How this score was calculated

View the full scoring methodology with formulas, penalties, and step-by-step flow.

View full methodology