The NVFP4 mega_moe kernel needs a larger symmetric buffer because group_size=16 produces 2x more scale factor entries than MXFP4's 32. Switch from deep_gemm.get_symm_buffer_for_mega_moe to deep_gemm.mega.nvfp4.get_symm_buffer_for_nvfp4_mega_moe.
The NVFP4 mega_moe kernel needs a larger symmetric buffer because group_size=16 produces 2x more scale factor entries than MXFP4's 32. Switch from deep_gemm.get_symm_buffer_for_mega_moe to deep_gemm.mega.nvfp4.get_symm_buffer_for_nvfp4_mega_moe.