change to pure_nccl: hierarchical is no more available

start-jsk / jsk_apc

Other

36 stars 35 forks source link

change to pure_nccl: hierarchical is no more available #2739

Closed knorth55 closed 3 years ago

knorth55 commented 3 years ago

https://docs.chainer.org/en/stable/chainermn/reference/index.html#chainermn.create_communicator

hierarchical is no more available...

pazeshun commented 3 years ago

Cannot we fix chainermn version to old one?

knorth55 commented 3 years ago

chainermn is optional dependency. we can inform that we should install chainermn in lower version, but hierarchical is not recommended in lower version, too.