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Ricardokevins avatar Ricardokevins commented on June 20, 2024

https://github.com/facebookresearch/llama/blob/6796a91789335a31c8309003339fe44e2fd345c2/llama/model.py#L348

    def forward(self, x):
        return self.w2(F.silu(self.w1(x)) * self.w3(x))

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viai957 avatar viai957 commented on June 20, 2024

in LlaMA2 source code, they obtain 'X_V' with the origin 'x', instead of 'swish' its the same but in here the 'swish' function with beta =1 is nothing but SiLU (Sigmoid Linear Unit) it just spits into different components here just for easier understanding.
This code is a replica of Umar Jamil explaining coding Llama 2 from scratch here is the link to the video : https://www.youtube.com/watch?v=oM4VmoabDAI&t=7212s&ab_channel=UmarJamil

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