[WIP] Fix multiclass auc with empty dataset. #6946
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trivialfis
commented
May 7, 2021
| @@ -117,7 +117,8 @@ class SoftmaxMultiClassObj : public ObjFunction { | |||
| std::vector<int>& label_correct_h = label_correct_.HostVector(); | |||
| for (auto const flag : label_correct_h) { | |||
| if (flag != 1) { | |||
| LOG(FATAL) << "SoftmaxMultiClassObj: label must be in [0, num_class)."; | |||
| LOG(FATAL) << "SoftmaxMultiClassObj: label must be in [0, num_class)." | |||
| << "Labels:" << info.labels_.Size(); | |||
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Will rebase onto master after debugging. For some reason the allreduce in nccl triggers a memory access error and I haven't figured out the root cause. I'm curious in seeing what's going to happen on CI.