### What this PR does / why we need it?
Some parameters of Triton operators are unnecessarily modified with the
"constexpr" modifier. When these parameters change, recompilation is
triggered, which significantly affects the model performance. Therefore,
these parameters need to be rectified.
- vLLM version: v0.17.0
- vLLM main:
8b6325758c
Signed-off-by: HarpSealCC [844291270@qq.com](mailto:844291270@qq.com)
Signed-off-by: l30072083 <liuchengzhuo1@h-partners.com>
Co-authored-by: l30072083 <liuchengzhuo1@h-partners.com>
### What this PR does / why we need it?
This pull request introduces support for the Qwen3.5 MoE model on Ascend
devices. The key changes are:
* **Quantization Configuration for Qwen3.5 MoE**: Adds necessary prefix
mappings and packed module definitions for `qwen3_5_moe` in
`vllm_ascend/quantization/modelslim_config.py` to enable ModelSlim
quantization.
* **Triton Kernel Fix**: Corrects a bug in the `fused_gdn_gating` Triton
kernel. The calculation for `BLK_BATCHES` had an operator precedence
issue which is now resolved. The calculation has also been made more
robust with added clamping to prevent potential out-of-bounds memory
access in the unified buffer.
These changes enable the correct and efficient execution of Qwen3.5 MoE
models on Ascend hardware.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
CI should be used to verify the correctness of these changes. It is
recommended to run tests with the Qwen3.5 MoE model to ensure the new
configurations and the kernel fix work as expected.
Signed-off-by: xmpp777 <yangming2@huawei.com>
### What this PR does / why we need it?
This commit introduces a Triton-based fused GDN gating kernel for Ascend
NPU, aimed at improving performance in the Gated Delta Net workflow.
### Does this PR introduce _any_ user-facing change?
It only adds and refactors internal Triton kernels and wrappers for
Ascend. These are backend implementation details. There are no new APIs,
flags, CLI options, or behavior changes visible to end users.
### How was this patch tested?
- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c
---------
Signed-off-by: Ascendyh <hw7osiris@outlook.com>
