[Performance] Optimze the performance of Qwen25VL (#15640)

Co-authored-by: Xinyuan Tong <115166877+JustinTong0323@users.noreply.github.com>

python/sglang/srt/layers/rotary_embedding.py

@@ -16,6 +16,7 @@ from sglang.srt.server_args import get_global_server_args
 from sglang.srt.utils import (
     cpu_has_amx_support,
     get_bool_env_var,
+    get_compiler_backend,
     is_cpu,
     is_cuda,
     is_hip,
@@ -2748,6 +2749,7 @@ def rotate_half(x):
     return torch.cat((-x2, x1), dim=-1)
 
 
+@torch.compile(dynamic=True, backend=get_compiler_backend())
 def apply_rotary_pos_emb_native(
     q: torch.Tensor,
     k: torch.Tensor,