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| def top_k_top_p_filter(logits, top_k: int = 0, top_p: float = 0.0): | |
| if top_k > 0: | |
| filter = torch.topk(logits, min(top_k, logits.size(-1)))[0] | |
| logits[logits < filter[:, [-1]]] = float('-inf') | |
| if top_p > 0.0: | |
| sorted_logits, sorted_indices = torch.sort(logits, descending=True) | |
| cumulative_probs = torch.cumsum( | |
| F.softmax(sorted_logits, dim=-1), dim=-1) | |
| filter = cumulative_probs > top_p | |
| filter[..., 1:] = filter[..., :-1].clone() |
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| import torch.nn as nn | |
| class MultiInputSequential(nn.Sequential): | |
| def forward(self, *inputs): | |
| for module in self._modules.values(): | |
| if type(inputs) == tuple: | |
| inputs = module(*inputs) | |
| else: | |
| inputs = module(inputs) | |
| return inputs |