[DOC][CPU] remove tcmalloc warning from CPU docs (#50308)

Signed-off-by: Fadi Arafeh <fadi.arafeh@arm.com>
This commit is contained in:
Fadi Arafeh
2026-07-30 06:30:21 +00:00
committed by GitHub
parent f1e8fd27ae
commit 8122a10536
2 changed files with 4 additions and 23 deletions
@@ -28,20 +28,6 @@ uv pip install https://github.com/vllm-project/vllm/releases/download/v${VLLM_VE
pip install https://github.com/vllm-project/vllm/releases/download/v${VLLM_VERSION}/vllm-${VLLM_VERSION}+cpu-cp38-abi3-manylinux_2_34_aarch64.whl --extra-index-url https://download.pytorch.org/whl/cpu
```
!!! warning "set `LD_PRELOAD`"
Before use vLLM CPU installed via wheels, make sure TCMalloc is installed and added to `LD_PRELOAD`:
```bash
# install TCMalloc
sudo apt-get install -y --no-install-recommends libtcmalloc-minimal4
# manually find the path
sudo find / -iname *libtcmalloc_minimal.so.4
TC_PATH=...
# add them to LD_PRELOAD
export LD_PRELOAD="$TC_PATH:$LD_PRELOAD"
```
The `uv` approach works for vLLM `v0.6.6` and later. A unique feature of `uv` is that packages in `--extra-index-url` have [higher priority than the default index](https://docs.astral.sh/uv/pip/compatibility/#packages-that-exist-on-multiple-indexes). If the latest public release is `v0.6.6.post1`, `uv`'s behavior allows installing a commit before `v0.6.6.post1` by specifying the `--extra-index-url`. In contrast, `pip` combines packages from `--extra-index-url` and the default index, choosing only the latest version, which makes it difficult to install a development version prior to the released version.
#### Install the latest code
@@ -33,19 +33,14 @@ uv pip install https://github.com/vllm-project/vllm/releases/download/v${VLLM_VE
pip install https://github.com/vllm-project/vllm/releases/download/v${VLLM_VERSION}/vllm-${VLLM_VERSION}+cpu-cp38-abi3-manylinux_2_34_x86_64.whl --extra-index-url https://download.pytorch.org/whl/cpu
```
!!! warning "set `LD_PRELOAD`"
Before use vLLM CPU installed via wheels, make sure TCMalloc and Intel OpenMP are installed and added to `LD_PRELOAD`:
Before use vLLM CPU installed via wheels, make Intel OpenMP is added to `LD_PRELOAD`:
```bash
# install TCMalloc, Intel OpenMP is installed with vLLM CPU
sudo apt-get install -y --no-install-recommends libtcmalloc-minimal4
# manually find the path
sudo find / -iname *libtcmalloc_minimal.so.4
sudo find / -iname *libiomp5.so
TC_PATH=...
IOMP_PATH=...
# add them to LD_PRELOAD
export LD_PRELOAD="$TC_PATH:$IOMP_PATH:$LD_PRELOAD"
# add it to LD_PRELOAD
export LD_PRELOAD="$IOMP_PATH:$LD_PRELOAD"
```
#### Install the latest code
@@ -131,7 +126,7 @@ uv pip install dist/*.whl
```
!!! warning "set `LD_PRELOAD`"
Before use vLLM CPU installed via wheels, make sure TCMalloc and Intel OpenMP are installed and added to `LD_PRELOAD`:
Before using vLLM CPU installed via wheels, make sure TCMalloc and Intel OpenMP are installed and added to `LD_PRELOAD`:
```bash
# install TCMalloc, Intel OpenMP is installed with vLLM CPU
sudo apt-get install -y --no-install-recommends libtcmalloc-minimal4