add birch, a cluster algorithm, please!!!!

[magictomagic]

Problem

Environment

[lebedov]

Looks like someone implemented BIRCH in CUDA, but it doesn't seem they released any code at the time: https://dl.acm.org/doi/10.1007/978-3-642-41278-3_50

[magictomagic]

Looks like someone implemented BIRCH in CUDA, but it doesn't seem they released any code at the time: https://dl.acm.org/doi/10.1007/978-3-642-41278-3_50

Thank you. I have accomplished my training work on my little CPU. Found a rapid growing project https://github.com/rapidsai/cuml . May help offspings : )