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could use PositionRotaryEmbedding impl so rocm and ipex could all work

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Signed-off-by: Wang, Yi A <yi.a.wang@intel.com>
This commit is contained in:
Wang, Yi A 2025-02-09 18:32:31 -08:00
parent 57385c5463
commit 9d7f257d60
1 changed files with 0 additions and 25 deletions
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25
server/text_generation_server/layers/rotary.py
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@ -570,28 +570,6 @@ class RotaryPositionEmbeddingMultimodalSections(PositionRotaryEmbedding):
.to(inv_freq.device) .to(inv_freq.device)
) )
def forward(
self,
query: torch.Tensor,
key: torch.Tensor,
cos: torch.Tensor,
sin: torch.Tensor,
):
if SYSTEM == "ipex":
ipex.llm.functional.rotary_embedding(
query, key, sin, cos, query.size(-1), True
)
else:
# rotate half the sequence length
rot = cos.shape[-1] // 2
q2 = torch.cat([-query[..., rot:], query[..., :rot]], dim=-1)
k2 = torch.cat([-key[..., rot:], key[..., :rot]], dim=-1)
# apply the rotation
rotary_emb.apply_rotary(query, q2, cos, sin, query, q2, True)
rotary_emb.apply_rotary(key, k2, cos, sin, key, k2, True)
def _update_cos_sin_cache( def _update_cos_sin_cache(
self, dtype: torch.dtype, device: torch.device, seqlen: int self, dtype: torch.dtype, device: torch.device, seqlen: int
): ):
@ -620,7 +598,4 @@ class RotaryPositionEmbeddingMultimodalSections(PositionRotaryEmbedding):
cos = self._cos_cached[position_ids].gather(1, self._sections[:slen]) cos = self._cos_cached[position_ids].gather(1, self._sections[:slen])
sin = self._sin_cached[position_ids].gather(1, self._sections[:slen]) sin = self._sin_cached[position_ids].gather(1, self._sections[:slen])
cos = torch.cat([cos, cos], dim=-1)
sin = torch.cat([sin, sin], dim=-1)
return cos, sin return cos, sin