Revert "[Core] Cache some utils" (#3507)

vllm/utils.py

@@ -4,7 +4,6 @@ import socket
 import subprocess
 import uuid
 import gc
-from functools import cache
 from platform import uname
 from typing import List, Tuple, Union
 from packaging.version import parse, Version
@@ -121,7 +120,6 @@ def is_hip() -> bool:
     return torch.version.hip is not None
 
 
-@cache
 def is_neuron() -> bool:
     try:
         import transformers_neuronx
@@ -130,7 +128,6 @@ def is_neuron() -> bool:
     return transformers_neuronx is not None
 
 
-@cache
 def get_max_shared_memory_bytes(gpu: int = 0) -> int:
     """Returns the maximum shared memory per thread block in bytes."""
     # NOTE: This import statement should be executed lazily since
@@ -154,7 +151,6 @@ def random_uuid() -> str:
     return str(uuid.uuid4().hex)
 
 
-@cache
 def in_wsl() -> bool:
     # Reference: https://github.com/microsoft/WSL/issues/4071
     return "microsoft" in " ".join(uname()).lower()
@@ -229,7 +225,6 @@ def set_cuda_visible_devices(device_ids: List[int]) -> None:
     os.environ["CUDA_VISIBLE_DEVICES"] = ",".join(map(str, device_ids))
 
 
-@cache
 def get_nvcc_cuda_version() -> Optional[Version]:
     cuda_home = os.environ.get('CUDA_HOME')
     if not cuda_home: