22 lines
748 B
Python
22 lines
748 B
Python
# SPDX-License-Identifier: Apache-2.0
|
|
import os
|
|
|
|
import torch
|
|
|
|
# set some common config/environment variables that should be set
|
|
# for all processes created by vllm and all processes
|
|
# that interact with vllm workers.
|
|
# they are executed whenever `import vllm` is called.
|
|
|
|
# see https://github.com/NVIDIA/nccl/issues/1234
|
|
os.environ['NCCL_CUMEM_ENABLE'] = '0'
|
|
|
|
# see https://github.com/vllm-project/vllm/pull/15951
|
|
# it avoids unintentional cuda initialization from torch.cuda.is_available()
|
|
os.environ['PYTORCH_NVML_BASED_CUDA_CHECK'] = '1'
|
|
|
|
# see https://github.com/vllm-project/vllm/issues/10480
|
|
os.environ['TORCHINDUCTOR_COMPILE_THREADS'] = '1'
|
|
# see https://github.com/vllm-project/vllm/issues/10619
|
|
torch._inductor.config.compile_threads = 1
|