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[Core] Cache some utils #3474

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merged 1 commit into from
Mar 19, 2024
Merged

[Core] Cache some utils #3474

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5 changes: 5 additions & 0 deletions vllm/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
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
Expand Down Expand Up @@ -120,6 +121,7 @@ def is_hip() -> bool:
return torch.version.hip is not None


@cache
def is_neuron() -> bool:
try:
import transformers_neuronx
Expand All @@ -128,6 +130,7 @@ 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
Expand All @@ -151,6 +154,7 @@ 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()
Expand Down Expand Up @@ -225,6 +229,7 @@ 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:
Expand Down
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