Function make_column

python/benchmarks/streaming.py:30–32

(col, chunk)

    assert rowsize % dtype.itemsize == 0

    def make_column(col, chunk):
        return np.frombuffer(common.get_random_bytes(
            rowsize, seed=col + 997 * chunk)).view(dtype)

    return [pd.DataFrame({
            'c' + str(col): make_column(col, chunk)