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Website: preferred.jp/ja/
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Open Source Contributors: Rank Name Top Projects

3148 Kenichi Maehashi 16,064,780 CuPy, Chainer, PyTorch, Apache Spark

4038 Akifumi Imanishi 13,211,491 CuPy, Chainer, PyTorch

25250 Hiroyuki Vincent Yamazaki 2,124,821 Chainer, CuPy, NumPy, Swift
Project Contributions: Percentage of commits past X days

Project Contributions 30 90 365 1095 All

CuPy 67% 57% 33% 28% 15%

Chainer 0% 0% 0% 29% 16%

Rank	Name	Top Projects
3148	Kenichi Maehashi 16,064,780	CuPy, Chainer, PyTorch, Apache Spark
4038	Akifumi Imanishi 13,211,491	CuPy, Chainer, PyTorch
25250	Hiroyuki Vincent Yamazaki 2,124,821	Chainer, CuPy, NumPy, Swift

	Percentage of commits past X days
Project Contributions	30	90	365	1095	All
CuPy	67%	57%	33%	28%	15%
Chainer	0%	0%	0%	29%	16%