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Fix Tree Reduction on new instance type p3dn.24xlarge #13852
Merged
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Description
Fixes tree reduction failing on new instance type
p3dn.24xlarge
, which was raised here: dmlc/gluon-nlp#520Checklist
Essentials
Please feel free to remove inapplicable items for your PR.
Changes
cudaDeviceGetP2PAttribute
topology information to usecudaDeviceEnablePeerAccess
when the former is inconsistent across instance types.cudaDeviceGetP2PAttribute
provides wrong information.Comments
cudaDeviceGetP2PAttribute
topology looks different compared to when we use CUDA 9.0 with p3.16xlarge: