class_docstr: Benchmark that times performance of chunk graph builder
class_docstr_tok: ["Benchmark","that","times","performance","of","chunk","graph","builder"]
code: def time_setitem(self):
      df2 = self.df.copy()
      df2["k"] = df2["c"]
      df2["l"] = df2["a"] * (1 - df2["d"])
      df2["m"] = df2["e"] * (1 + df2["d"]) * (1 - df2["h"])
      build_graph([df2], tile=True)
  
imports: import mars.tensor
  import mars.dataframe
  from mars.core.graph.builder.utils import build_graph
label_desc: Use image node_id 3 for calling the ChunkGraphBuilderSuite obj's underlying member method code with example usage: obj.time_setitem() without return types