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Why does training with 8 cards report an error? #40

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beizhengren opened this issue Jun 17, 2024 · 0 comments

beizhengren commented Jun 17, 2024

The detail of the error is:

mmdet3d/datasets/samplers/infinite_group_each_sample_in_batch_sampler.py", line 174, 
assert self.groups_num >= self.global_batch_size

The error message is located on line 174, which belongs to the initialization function of the InfiniteGroupEachSampleInBatchSamplerEval.

and the print info of relative variable is:

batch_size :  1,
world_size: 1,
global_batch_size: 1,
groups_num: 2

How can I slove the problem,
Thanks!

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