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  参考并移植 011/vllm 的关键提交逻辑
  新增 VLLM_USE_MOE_W16A16_TRITON 开关，并接入基于 lightop 的运行时能力探测与启用结果缓存。
  在权重加载后对 w13 与 w2 执行 W16A16 Marlin 预打包。
  W16A16 Marlin 启用时保留 monolithic 执行路径，并在 fused_experts_impl 中增加 packed 权重 fast-path。
  保持 Marlin 或 lightop 不可用时的回退行为不变。

set fp8_e4m3 only supported on nmz and support q&kvcache fp8
set VLLM_PCIE_USE_CUSTOM_ALLREDUCE=1

Signed-off-by: Robert Shaw <rshaw@neuralmagic.com>

[Bugfix] Disable RoutingMethodType.[Renormalize,RenormalizeNaive] TRTLLM per-tensor FP8 MoE (#33620)
Signed-off-by: mgoin <mgoin64@gmail.com>
(cherry picked from commit e346e2d0

)
Signed-off-by: Robert Shaw <rshaw@neuralmagic.com>

Signed-off-by: Richard Zou <zou3519@gmail.com>
(cherry picked from commit d9aa39a3)

Signed-off-by: kiersten-stokes <kierstenstokes@gmail.com>
(cherry picked from commit 9e138cb0)

Signed-off-by: zhewenli <zhewen@inferact.ai>
Co-authored-by: zhewenli <zhewen@inferact.ai>

Signed-off-by: zhewenli <zhewen@inferact.ai>
Co-authored-by: zhewenli <zhewen@inferact.ai>

Signed-off-by: Jee Jee Li <pandaleefree@gmail.com>
Co-authored-by: i-zhangmingming <i-zhangmingming@stepfun.com>
Co-authored-by: xiewuxun <xiewuxun@stepfun.com>
Co-authored-by: zetaohong <i-hongzetao@stepfun.com>
Co-authored-by: Jee Jee Li <pandaleefree@gmail.com>
(cherry picked from commit c3b40dc3)

Signed-off-by: mgoin <mgoin64@gmail.com>
Co-authored-by: mgoin <mgoin64@gmail.com>
(cherry picked from commit 07978117)