Company

Preferred Networks

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

3227 Kenichi Maehashi 15,515,520 CuPy, Chainer, PyTorch, Apache Spark

4128 Akifumi Imanishi 12,820,473 CuPy, Chainer, PyTorch

25264 Hiroyuki Vincent Yamazaki 2,080,885 Chainer, CuPy, NumPy, Swift
Project Contributions: Percentage of commits past X days

Project Contributions 30 90 365 1095 All

CuPy 43% 34% 25% 27% 15%

Chainer 0% 0% 0% 56% 16%

Rank	Name	Top Projects
3227	Kenichi Maehashi 15,515,520	CuPy, Chainer, PyTorch, Apache Spark
4128	Akifumi Imanishi 12,820,473	CuPy, Chainer, PyTorch
25264	Hiroyuki Vincent Yamazaki 2,080,885	Chainer, CuPy, NumPy, Swift

	Percentage of commits past X days
Project Contributions	30	90	365	1095	All
CuPy	43%	34%	25%	27%	15%
Chainer	0%	0%	0%	56%	16%