DistSamplerSeedHook

class mmengine.hooks.DistSamplerSeedHook

Data-loading sampler for distributed training.

When distributed training, it is only useful in conjunction with EpochBasedRunner, while IterBasedRunner achieves the same purpose with IterLoader.

before_train_epoch(runner)

Set the seed for sampler and batch_sampler.

参数:

runner (Runner) – The runner of the training process.

返回类型:

None