ColossalAI/colossalai/fx/tracer/meta_patch/patched_function/normalization.py

import torch

from ...registry import meta_patched_function


@meta_patched_function.register(torch.nn.functional.layer_norm)
def torch_nn_func_layernorm(input, normalized_shape, weight=None, bias=None, eps=1e-05):
    return torch.empty(input.shape, device="meta")


@meta_patched_function.register(torch.nn.functional.batch_norm)
def torch_nn_func_batchnorm(
    input, running_mean, running_var, weight=None, bias=None, training=False, momentum=0.1, eps=1e-05
):
    return torch.empty(input.shape, device="meta")