Comments (3)
iwiwi
commented on September 26, 2024
1
Thank you, somebody needs to work on this issue to support snapshot extensions. Essentially, ChainerMN has nothing to dump, so it would be easy.
FYI: Unfortunately, Chainer's snapshot extension is known to be buggy for now. We sometimes use snapshot_object extension instead of snapshot extension, and resume the training by just loading model parameters dumped by snapshot_object. This approach is feasible with current ChainerMN.
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kuenishi
commented on September 26, 2024
With 1.1.0's checkpointing I think you can do most of what you wanted to do. Also, I believe snapshot extension is stable enough as of today.
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keisukefukuda
commented on September 26, 2024
I'm closing the issue as the coordinated checkpointing feature of ChainerMN is stable and usable. Please feel free to reopen or create a new one if you have any further issues on this.
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