Layer-pruned Ovis2-4B (PPL-based (Shortened LLaMA), removed 10 layers, 17.9% reduction)

Layer-pruned Ovis2-4B (PPL-based (Shortened LLaMA), removed 18 layers, 32.2% reduction)

Layer-pruned Ovis2-4B (PPL-based (Shortened LLaMA), removed 9 layers, 16.1% reduction)

initial commit