Files
vllm-ascend/vllm_ascend/envs.py
Huazhong Ji c3d1a3782a Add pyhccl (#503)
This is the first step to support trl vllm serve on Ascend NPU
https://github.com/vllm-project/vllm-ascend/issues/459.
This PR can work properly only when
https://github.com/vllm-project/vllm/pull/16464 is merged into vLLM.

---------

Signed-off-by: hzji210@gmail.com <hzji210@gmail.com>
2025-04-17 14:57:52 +08:00

73 lines
2.4 KiB
Python

#
# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
# This file is a part of the vllm-ascend project.
#
# This file is mainly Adapted from vllm-project/vllm/vllm/envs.py
# Copyright 2023 The vLLM team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os
from typing import Any, Callable, Dict
# The begin-* and end* here are used by the documentation generator
# to extract the used env vars.
# begin-env-vars-definition
env_variables: Dict[str, Callable[[], Any]] = {
# max compile thread num
"MAX_JOBS":
lambda: os.getenv("MAX_JOBS", None),
"CMAKE_BUILD_TYPE":
lambda: os.getenv("CMAKE_BUILD_TYPE"),
"COMPILE_CUSTOM_KERNELS":
lambda: bool(int(os.getenv("COMPILE_CUSTOM_KERNELS", "1"))),
"SOC_VERSION":
lambda: os.getenv("SOC_VERSION", "ASCEND910B1"),
# If set, vllm-ascend will print verbose logs during compilation
"VERBOSE":
lambda: bool(int(os.getenv('VERBOSE', '0'))),
"ASCEND_HOME_PATH":
lambda: os.getenv("ASCEND_HOME_PATH", None),
"LD_LIBRARY_PATH":
lambda: os.getenv("LD_LIBRARY_PATH", None),
# Used for disaggregated prefilling
"HCCN_PATH":
lambda: os.getenv("HCCN_PATH", "/usr/local/Ascend/driver/tools/hccn_tool"),
"HCCL_SO_PATH":
lambda: os.environ.get("HCCL_SO_PATH", None),
"PROMPT_DEVICE_ID":
lambda: os.getenv("PROMPT_DEVICE_ID", None),
"DECODE_DEVICE_ID":
lambda: os.getenv("DECODE_DEVICE_ID", None),
"LLMDATADIST_COMM_PORT":
lambda: os.getenv("LLMDATADIST_COMM_PORT", "26000"),
"LLMDATADIST_SYNC_CACHE_WAIT_TIME":
lambda: os.getenv("LLMDATADIST_SYNC_CACHE_WAIT_TIME", "5000"),
}
# end-env-vars-definition
def __getattr__(name: str):
# lazy evaluation of environment variables
if name in env_variables:
return env_variables[name]()
raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
def __dir__():
return list(env_variables.keys())