Method setup

asv_bench/benchmarks/join_merge.py:317–325

(self, how)

    param_names = ["how"]

    def setup(self, how):
        low, high, n = -1000, 1000, 10**6
        self.left = DataFrame(
            np.random.randint(low, high, (n, 7)), columns=list("ABCDEFG")
        )
        self.left["left"] = self.left.sum(axis=1)
        self.right = self.left.sample(frac=1).rename({"left": "right"}, axis=1)
        self.right = self.right.reset_index(drop=True)
        self.right["right"] *= -1

    def time_i8merge(self, how):
        merge(self.left, self.right, how=how)