code: def matmul_cublas(
      cfg,
      tensor_a,
      tensor_b,
      bias=None,
      out_dtype=None,
      transpose_a=False,
      transpose_b=False,
  ):
      """Matmul operator on CUDA with CUBLAS"""
      return _matmul_cublas_common(
          cfg,
          tensor_a,
          tensor_b,
          bias,
          out_dtype,
          transpose_a,
          transpose_b,
      )
  
file_path: tvm/python/tvm/topi/cuda/dense.py
imports: import logging
  import tvm
  from tvm import te, autotvm
  from tvm.contrib import cublas
  from .tensor_intrin import dp4a
  from ..None import tag
  from ..None import generic
  from ..utils import traverse_inline, get_const_tuple
label_desc: Use image node_id 2 for calling a global function with example usage: matmul_cublas(cfg, tensor_a, tensor_b, bias, out_dtype, transpose_a, transpose_b) and returns: _matmul_cublas_common