### 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. backport: https://github.com/vllm-project/vllm-ascend/pull/7482 Signed-off-by: w30012745 <wangxiaoshuai2@h-partners.com> Co-authored-by: w30012745 <wangxiaoshuai2@h-partners.com>