def _benchmark():
"""
On 64-bit processors sha512 may be faster than sha256
References:
https://crypto.stackexchange.com/questions/26336/sha512-faster-than-sha256
"""
result = ub.AutoOrderedDict()
algos = ['sha1', 'sha256', 'sha512']
for n in ub.ProgIter([1, 10, 100, 1000, 10000, 100000], desc='time'):
# for key in hashlib.algorithms_guaranteed:
for key in algos:
hashtype = _rectify_hasher(key)
t1 = ub.Timerit(100, bestof=10, label=key, verbose=0)
for timer in t1:
data = b'8' * n
with timer:
hasher = hashtype()
hasher.update(data)
result[key][n] = t1.min()
import pandas as pd
print(pd.DataFrame(result))
result = ub.AutoOrderedDict()
for n in ub.ProgIter([1, 10, 100, 1000, 10000, 100000], desc='time'):
# for key in hashlib.algorithms_guaranteed:
for key in algos:
hashtype = _rectify_hasher(key)
t1 = ub.Timerit(100, bestof=10, label=key, verbose=0)
for timer in t1:
data = b'8' * n
hasher = hashtype()
hasher.update(data)
with timer:
hasher.hexdigest()
result[key][n] = t1.min()
import pandas as pd
print(pd.DataFrame(result))
"""
def 灵活有序字典():
return ub.AutoOrderedDict()