### What this PR does / why we need it?
Add support for V1 Engine.
Please note that this is just the initial version, and there may be some
places need to be fixed or optimized in the future, feel free to leave
some comments to us.
### Does this PR introduce _any_ user-facing change?
To use V1 Engine on NPU device, you need to set the env variable shown
below:
```bash
export VLLM_USE_V1=1
export VLLM_WORKER_MULTIPROC_METHOD=spawn
```
If you are using vllm for offline inferencing, you must add a `__main__`
guard like:
```bash
if __name__ == '__main__':
llm = vllm.LLM(...)
```
Find more details
[here](https://docs.vllm.ai/en/latest/getting_started/troubleshooting.html#python-multiprocessing).
### How was this patch tested?
I have tested the online serving with `Qwen2.5-7B-Instruct` using this
command:
```bash
vllm serve Qwen/Qwen2.5-7B-Instruct --max_model_len 26240
```
Query the model with input prompts:
```bash
curl http://localhost:8000/v1/completions \
-H "Content-Type: application/json" \
-d '{
"model": "Qwen/Qwen2.5-7B-Instruct",
"prompt": "The future of AI is",
"max_tokens": 7,
"temperature": 0
}'
```
---------
Signed-off-by: shen-shanshan <467638484@qq.com>
Co-authored-by: didongli182 <didongli@huawei.com>
34 lines
1.4 KiB
Bash
Executable File
34 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
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# This file is a part of the vllm-ascend project.
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# Adapted from https://github.com/vllm-project/vllm/tree/main/tools
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# Copyright 2023 The vLLM team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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if command -v actionlint &> /dev/null; then
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# NOTE: avoid check .github/workflows/vllm_ascend_test.yaml because sel-hosted runner `npu-arm64` is unknown
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actionlint .github/workflows/*.yml .github/workflows/mypy.yaml
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exit 0
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elif [ -x ./actionlint ]; then
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./actionlint .github/workflows/*.yml .github/workflows/mypy.yaml
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exit 0
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fi
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# download a binary to the current directory - v1.7.3
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bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/aa0a7be8e566b096e64a5df8ff290ec24fa58fbc/scripts/download-actionlint.bash)
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./actionlint .github/workflows/*.yml .github/workflows/mypy.yaml
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