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# This file is copied from
# https://github.com/casper-hansen/AutoAWQ/blob/main/awq/modules/act.py
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import torch.nn as nn


class ScaledActivation(nn.Module):
    def __init__(self, module, scales):
        super().__init__()
        self.act = module
        self.scales = nn.Parameter(scales.data)

    def forward(self, x):
        return self.act(x) / self.scales.view(1, 1, -1).to(x.device)