llama.cpp

b77d6467 - model: Add support for Nanbeige4.2 (#25994)

model: Add support for Nanbeige4.2 (#25994) * support nanbeige4.2 model * fix * fix flake8 Lint check * fix loop bound check and drop redundant head_dim --------- Co-authored-by: root <lizongqiang@kanzhun.com>