Update gemma.py

This commit is contained in:
Daniel Han-Chen 2024-02-26 05:05:41 +11:00
commit 24e9d0af28

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@ -92,8 +92,7 @@ class FastGemmaRotaryEmbedding(torch.nn.Module):
position_ids = torch.arange(self.max_position_embeddings, device=x.device, dtype=torch.int64).unsqueeze(0)
inv_freq_expanded = self.inv_freq[None, :, None].float().expand(1, -1, 1)
position_ids_expanded = position_ids[:, None, :].float()
with torch.autocast(device_type="cuda", enabled = False):
freqs = (inv_freq_expanded @ position_ids_expanded).transpose(1, 2)
freqs = (inv_freq_expanded @ position_ids_expanded).transpose(1, 2)
emb = torch.cat((freqs, freqs), dim=-1)
self.cos_cached = emb.cos().to(dtype=x.dtype)
self.sin_cached = emb.sin().to(dtype=x.dtype)
@ -107,6 +106,10 @@ class FastGemmaRotaryEmbedding(torch.nn.Module):
cos_cached = emb.cos().to(dtype=x.dtype)
sin_cached = emb.sin().to(dtype=x.dtype)
print(freqs)
print(self.cos_cached2)
raise 1
# return self.cos_cached[:,:length], self.sin_cached[:,:length]
return self.cos_cached, self.sin_cached
pass