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Update gemma.py

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Daniel Han-Chen 2024-02-25 02:49:14 +11:00
commit 03c7f211a6
1 changed files with 3 additions and 3 deletions
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unsloth/models/gemma.py
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@ -73,18 +73,18 @@ class FastGemmaRotaryEmbedding(torch.nn.Module):
self.base ** (torch.arange(0, self.dim, 2, dtype=torch.int64, device="cuda").float() / self.dim)
)
t = torch.arange(self.max_position_embeddings, device="cuda", dtype=torch.int64).float().unsqueeze(-1)
t = torch.arange(position_ids.shape[1], device="cuda", dtype=torch.int64).float().unsqueeze(-1)
logger.warning_once(str(torch.dist(t, position_ids)))
inv_freq_expanded = self.inv_freq[None, :, None].float().expand(position_ids.shape[0], -1, 1).to("cuda")
position_ids_expanded = t[:, None, :].float()
freqs = (inv_freq_expanded @ position_ids_expanded).transpose(1, 2)
emb_old = torch.cat((freqs, freqs), dim=-1).to("cuda")
emb_old = torch.cat((freqs, freqs), dim=-1)
inv_freq_expanded = self.inv_freq[None, :, None].float().expand(position_ids.shape[0], -1, 1).to("cuda")
position_ids_expanded = position_ids[:, None, :].float()
freqs = (inv_freq_expanded @ position_ids_expanded).transpose(1, 2)
emb_new = torch.cat((freqs, freqs), dim=-1)
logger.warning_once(str(torch.dist(emb_old, emb_new)))
return emb_new.cos().to(dtype=x.dtype), emb_new.sin().to(dtype=x.dtype)
pass