What this PR does / why we need it? Optimization of the fused operator for Qwen3 32B: Matmul, AllReduce, Add, and RMSNorm Does this PR introduce _any_ user-facing change? No How was this patch tested? vLLM version: v0.11.2 vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.2 Signed-off-by: tongrunze <t00574058@china.huawei.com> Co-authored-by: tongrunze <t00574058@china.huawei.com>