def setup(self):
        self.n = 1000000
        self.sz = 500000
        self.rng = np.arange(0, 10000000000000, 10000000)
        self.stamps = (np.datetime64(datetime.now()).view('i8') / self.rng)
        self.idx1 = np.sort(self.sample(self.stamps, self.sz))
        self.idx2 = np.sort(self.sample(self.stamps, self.sz))
        self.ts1 = Series(np.random.randn(self.sz), self.idx1)
        self.ts2 = Series(np.random.randn(self.sz), self.idx2)
dataset/ETHPy150Open pydata/pandas/asv_bench/benchmarks/join_merge.py/series_align_left_monotonic.setup/operator `+` -> `/`