async bench

gistfile1.txt

import sys
import time

# import sys
# sys.set_generator_wrapper(lambda x: x)


def binary(n):
    if n <= 0:
        return 1
    l = yield from binary(n - 1)
    r = yield from binary(n - 1)
    return l + 1 + r


def timeit(gen, depth, repeat):
    t0 = time.time()
    for _ in range(repeat):
        list(binary(depth))
    t1 = time.time()
    print('%s(%d) * %d: total %.3f' %
          (gen.__name__, depth, repeat, t1-t0))


timeit(binary, depth=19, repeat=30)


# async branch; with wrapper patch (no wrapper)
#
# binary(19) * 30: total 13.554
# binary(19) * 30: total 13.552
# binary(19) * 30: total 13.698
# binary(19) * 30: total 13.632


# async branch; with wrapper patch (identity func)
#
# binary(19) * 30: total 17.866
# binary(19) * 30: total 17.817
# binary(19) * 30: total 17.999
# binary(19) * 30: total 17.645


# async branch
#
# binary(19) * 30: total 13.446
# binary(19) * 30: total 13.613
# binary(19) * 30: total 13.513
# binary(19) * 30: total 13.536


# master branch
#
# binary(19) * 30: total 13.164
# binary(19) * 30: total 13.201
# binary(19) * 30: total 13.314
# binary(19) * 30: total 13.385