Method time_lambda_sum

asv_bench/benchmarks/groupby.py:374–375

(self, df)

        return df

    def time_lambda_sum(self, df):
        df.groupby(["key1", "key2"]).agg(lambda x: x.values.sum())

    def time_cython_sum(self, df):
        df.groupby(["key1", "key2"]).sum()