reps = 1000 # <== to match pybench (1000 inner)
repslist = list(range(reps)) # <== differs from pybench
def forLoop():
res = []
for x in repslist:
res.append(x ** 2) # <== to match pybench (x **2 all)
return res
def listComp():
return [x ** 2 for x in repslist]
def mapCall():
return list(map((lambda x: x ** 2), repslist)) # list() in 3.X only
# return map(((lambda x: x ** 2), repslist)
def genExpr():
return list(x ** 2 for x in repslist) # list() in 2.X + 3.X
def genFunc():
def gen():
for x in repslist:
yield x ** 2
return list(gen()) # list() in 2.X + 3.X
print(sys.version)
for test in (forLoop, listComp, mapCall, genExpr, genFunc):
(bestof, (total, result)) = timer.bestoftotal(5, 1000, test)
print ('%-9s: %.5f => [%s...%s]' %
(test.__name__, bestof, result[0], result[-1]))
import timer __author__ = 'woody' print(timer.total(1000, pow, 2, 1000)[0]) print(timer.bestof(1000, str.upper, 'spam')[0]) print(timer.bestoftotal(50, 1000, str.upper, 'spam'))
def forLoop():
res = []
for x in repslist:
res.append(F(x))
return res
def listComp():
return [F(x) for x in repslist]
def mapCall():
return list(map(F, repslist)) # list in 3.X only
# return map(F, repslist)
def genExpr():
return list(F(x) for x in repslist) # list in 2.X + 3.X
def genFunc():
def gen():
for x in repslist:
yield F(x)
return list(gen())
#...
print(sys.version)
for test in (forLoop, listComp, mapCall, genExpr, genFunc):
(bestof, (total, result)) = timer.bestoftotal(5, 1000, test)
print ('%-9s: %.5f => [%s...%s]' %
(test.__name__, bestof, result[0], result[-1]))
"""
timing02
"""
import timer
t = timer.total(1000, pow, 2, 1000)[0]
print("Total time to run pow function: ", t)
t = timer.total(1000, str.upper, 'spam')
print("Total time to run str function: ", t)
t = timer.bestof(1000,pow, 2, 1000000)[0]
print("Bestof pow function: ", t)
t = timer.bestof(1000, str.upper, 'spam')
print("Bestof str function: ", t)
t = timer.bestof(50, timer.total, 1000, str.upper, 'spam')
print("Bestoftotal str function: ", t)
t = timer.bestoftotal(50, 1000, str.upper, 'spam')
print("Bestoftotal str function: ", t)
