Files
xc-llm-ascend/csrc/build_aclnn.sh
Chenxi Qian 554f16ae1f [Kernel] add custom op GmmSwigluQuantWeightNzTensorList (#3804)
### What this PR does / why we need it?

This PR introduces support for adding custom CANN `aclnn` ops to
`vllm-ascend`, allowing users to define and use their own custom
operators.

Key changes include:
- Building and installing custom ops into the `vllm-ascend`-specified
directory
- Binding the `aclnn` op interface to the `torch.ops._C_ascend` module
- Enabling invocation of these ops within `vllm-ascend`

This PR includes a sample custom op:
`aclnnGroupedMatmulSwigluQuantWeightNzTensorList`, which is adapted from
the CANN operator
[`aclnnGroupedMatmulSwigluQuantWeightNZ`](https://www.hiascend.com/document/detail/zh/canncommercial/83RC1/API/aolapi/context/aclnnGroupedMatmulSwigluQuantWeightNZ.md).
Its input parameters `weight` and `weight_scale` now accept
`list[torch.Tensor]` (i.e., `at::TensorList`).

### Does this PR introduce _any_ user-facing change?

No.


- vLLM version: v0.11.2

---------

Signed-off-by: QianChenxi <chenxi.qian.cq@outlook.com>
2025-11-28 18:06:39 +08:00

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Bash

#!/bin/bash
ROOT_DIR=$1
SOC_VERSION=$2
if [[ "$SOC_VERSION" =~ ^ascend310 ]]; then
# ASCEND310P series
# currently, no custom aclnn ops for ASCEND310 series
# CUSTOM_OPS=""
# SOC_ARG="ascend310p"
exit 0
elif [[ "$SOC_VERSION" =~ ^ascend910b ]]; then
# ASCEND910B (A2) series
CUSTOM_OPS="grouped_matmul_swiglu_quant_weight_nz_tensor_list"
SOC_ARG="ascend910b"
elif [[ "$SOC_VERSION" =~ ^ascend910_93 ]]; then
# ASCEND910C (A3) series
CUSTOM_OPS="grouped_matmul_swiglu_quant_weight_nz_tensor_list"
SOC_ARG="ascend910_93"
else
# others
# currently, no custom aclnn ops for other series
exit 0
fi
# build custom ops
cd csrc
rm -rf build output
echo "building custom ops $CUSTOM_OPS for $SOC_VERSION"
bash build.sh -n $CUSTOM_OPS -c $SOC_ARG
# install custom ops to vllm_ascend/_cann_ops_custom
./output/CANN-custom_ops*.run --install-path=$ROOT_DIR/vllm_ascend/_cann_ops_custom
source $ROOT_DIR/vllm_ascend/_cann_ops_custom/vendors/customize/bin/set_env.bash