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msg = "crypto libraries should come with benchmarks"
try:
import pyutil.benchutil
rep_bench = pyutil.benchutil.rep_bench
except (ImportError, AttributeError):
import platform, time
if 'windows' in platform.system().lower():
clock = time.clock
else:
clock = time.time
def this_rep_bench(func, N, UNITS_PER_SECOND, MAXTIME, MAXREPS, initfunc=None):
tt = time.time
if initfunc is not None:
initfunc(N)
meanc = 0
MAXREPS = 100
timeout = tt() + MAXTIME
for i in range(MAXREPS):
startc = clock()
func(N)
stopc = clock()
deltac = stopc - startc
if deltac <= 0:
print "clock jump backward or wrapped -- ignoring this sample. startc: %s, stopc: %s, deltac: %s" % (startc, stopc, deltac,)
else:
meanc += deltac
if time.time() >= timeout:
break
num = i+1
meanc *= UNITS_PER_SECOND
meanc /= num
meanc /= N
res = {
'meanc': meanc,
'num': num
}
print "mean: %(meanc)#8.03e (of %(num)6d)" % res
rep_bench = this_rep_bench
import random as insecurerandom
def insecurerandstr(n):
return ''.join(map(chr, map(insecurerandom.randrange, [0]*n, [256]*n)))
def calib_clock():
interval = 1.0
import time
tc = time.clock
tt = time.time
def measure_sleep(x, clock):
st = clock()
time.sleep(x)
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