@tduncan / Nvidia-Optimization-Stack-VLLM Mirror · read-only / commits / ece5a8b0b6
Fork 0

A high-throughput and memory-efficient inference and serving engine for LLMs

Mirrored from https://github.com/tduncan-lum/Nvidia-Optimization-Stack---VLLM.git

Synced Nov 15, 12:15 UTC

Make the _apply_rotary_emb compatible with dynamo (#17435)

Lu Fang committed Apr 30, 2025 at 00:52 UTC ece5a8b0b6657b8c46b20daba2869762d1765008
1 file changed +3 -1
vllm/model_executor/layers/rotary_embedding.py
+3 -1
@@ -32,6 +32,9 @@ from transformers import PretrainedConfig
32 from vllm.model_executor.custom_op import CustomOp
33 from vllm.platforms import current_platform
34
35 +if current_platform.is_cuda_alike():
36 + from vllm.vllm_flash_attn.layers.rotary import apply_rotary_emb
37 +
38
39 def _rotate_neox(x: torch.Tensor) -> torch.Tensor:
40 x1 = x[..., :x.shape[-1] // 2]
@@ -78,7 +81,6 @@ def _apply_rotary_emb(x: torch.Tensor, cos: torch.Tensor, sin: torch.Tensor,
81 positional embeddings.
82 """
83 if current_platform.is_cuda_alike():
81 - from vllm.vllm_flash_attn.layers.rotary import apply_rotary_emb
84 return apply_rotary_emb(x.unsqueeze(0), cos, sin,
85 not is_neox_style).squeeze(0)
86 else: