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Jun 23, 2025
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Modify installation.md for adding pip extra index of torch-npu #1272

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Modify installation.md for adding pip extra index
wxsIcey Jun 18, 2025
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8 changes: 6 additions & 2 deletions docs/source/installation.md
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Expand Up @@ -123,10 +123,15 @@ apt update -y
apt install -y gcc g++ cmake libnuma-dev wget git
```

**[Optional]** Config the extra-index of `pip` if you are working on a **x86** machine, so that the torch with cpu could be found:
**[Optional]** Then config the extra-index of `pip` if you are working on a x86 machine or using torch-npu dev version:

```bash
# For x86 machine
pip config set global.extra-index-url https://download.pytorch.org/whl/cpu/
# For torch-npu dev version
pip config set global.extra-index-url https://mirrors.huaweicloud.com/ascend/repos/pypi
# For x86 torch-npu dev version
pip config set global.extra-index-url "https://download.pytorch.org/whl/cpu/ https://mirrors.huaweicloud.com/ascend/repos/pypi"
```

Then you can install `vllm` and `vllm-ascend` from **pre-built wheel**:
Expand Down Expand Up @@ -156,7 +161,6 @@ cd ..
# Install vLLM Ascend
git clone --depth 1 --branch |vllm_ascend_version| https://github.com/vllm-project/vllm-ascend.git
cd vllm-ascend
export PIP_EXTRA_INDEX_URL=https://mirrors.huaweicloud.com/ascend/repos/pypi
pip install -v -e .
cd ..
```
Expand Down