Detectron support Synchronous BN or not
gaopeng-eugene
👍1
All 2 comments
@gaopeng-eugene: multi-device synchronous BN is not supported at the moment. It will likely be supported in the future after the Caffe2 multi-device BN implementation is finished. For now, all models use fixed AffineChannel ops to replace the BN op from the original pretraining network.
rbgirshick
on 23 Jan 2018
👍3
Is that supported now?
yelantf
on 30 Jul 2018
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Most helpful comment
@gaopeng-eugene: multi-device synchronous BN is not supported at the moment. It will likely be supported in the future after the Caffe2 multi-device BN implementation is finished. For now, all models use fixed
AffineChannelops to replace the BN op from the original pretraining network.