Upload apex-master/tests/distributed/synced_batchnorm/test_batchnorm1d.py with huggingface_hub

apex-master/tests/distributed/synced_batchnorm/test_batchnorm1d.py

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+import torch
+import apex
+
+model = apex.parallel.SyncBatchNorm(4).cuda()
+model.weight.data.uniform_()
+model.bias.data.uniform_()
+data = torch.rand((8,4)).cuda()
+
+model_ref = torch.nn.BatchNorm1d(4).cuda()
+model_ref.load_state_dict(model.state_dict())
+data_ref = data.clone()
+
+output = model(data)
+output_ref = model_ref(data_ref)
+
+assert(output.allclose(output_ref))
+assert(model.running_mean.allclose(model_ref.running_mean))
+assert(model.running_var.allclose(model_ref.running_var))