for x in repslist:
res.append(abs(x))
return res
def listComp():
return [abs(x) for x in repslist]
def mapCall():
return list(map(abs, repslist))
def genExpr():
return list(abs(x) for x in repslist)
def genFunc():
def gen():
for x in repslist:
yield(abs(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]))
for test in (forLoop, listComp, mapCall, genExpr, genFunc):
(total, result) = timer2.bestoftotal(test, _reps1=5, _reps=1000)
print('%-9s : %.5f => [%s..%s] ' % (test.__name__, total, result[0], result[-1]))
def mapCall():
return list(map(abs, repslist)) # Use list here in 3.0 only!
# return map(abs, repslist)
def genExpr():
return list(abs(x) for x in repslist) # list required to force results
def genFunc():
def gen():
for x in repslist:
yield abs(x)
return list(gen()) # list required to force results
print(sys.version)
for test in (forLoop, listComp, mapCall, genExpr, genFunc):
(total, result) = timer2.bestoftotal(test, _reps1=5, _reps=1000)
# Or:
# (total, result) = timer2.bestoftotal(test)
# (total, result) = timer2.bestof(test, _reps=5)
# (total, result) = timer2.total(test, _reps=1000)
# (bestof, (total, result)) = timer2.bestof(timer2.total, test, _reps=5)
print('%-9s: %.5f => [%s...%s]' %
(test.__name__, total, result[0], result[-1]))
start = timer()
ret = func(*pargs, **kargs)
elapsed = timer() - start
if elapsed < best: best = elapsed
return (best, ret)
def bestoftotal(func, *pargs, **kargs):
_reps1 = kargs.pop('_reps1', 5)
return min(total(func, *pargs, **kargs) for i in range(_reps1))
import sys, timer2
...
for test in (forLoop, listComp, mapCall, genExpr, genFunc):
(total, result) = timer2.bestoftotal(test, _reps1=5, _reps=1000)
# 또는:
# (total, result) = timer2.bestoftotal(test)
# (total, result) = timer2.bestof(test, _reps = 5)
# (total, result) = timer2.total(test, _reps = 1000)
# (bestof, (total, result)) = timer2.bestof(timer2.total, test, _reps = 5)
print('%-9s: %.5f => [%s...%s]' %
(test.__name__, total, result[0], result[-1]))
from timer2 import total, bestof, bestoftotal
total(pow, 2, 1000)[0] # 2 ** 1000, 기본 1,000회 반복
# 0.0029562534118596773
total(pow, 2, 1000, _reps=1000)[0] # 2 ** 1000, 1,000회 반복
# 0.0029733585316193967
# File timesqrt.py
import sys, timer2
reps = 10000
repslist = range(reps) # Pull out range list time for 2.6
from math import sqrt # Not math.sqrt: adds attr fetch time
def mathMod():
for i in repslist:
res = sqrt(i)
return res
def powCall():
for i in repslist:
res = pow(i, .5)
return res
def powExpr():
for i in repslist:
res = i ** .5
return res
print(sys.version)
for test in (mathMod, powCall, powExpr):
elapsed, result = timer2.bestoftotal(test, _reps1=3, _reps=1000)
print ('%s: %.5f => %s' % (test.__name__, elapsed, result))
# File timesqrt.py
import sys, timer2
reps = 10000
repslist = range(reps) # Pull out range list time for 2.6
from math import sqrt # Not math.sqrt: adds attr fetch time
def mathMod():
for i in repslist:
res = sqrt(i)
return res
def powCall():
for i in repslist:
res = pow(i, .5)
return res
def powExpr():
for i in repslist:
res = i**.5
return res
print(sys.version)
for test in (mathMod, powCall, powExpr):
elapsed, result = timer2.bestoftotal(test, _reps1=3, _reps=1000)
print('%s: %.5f => %s' % (test.__name__, elapsed, result))
res.append(edi(x))
return res
def listComp():
return [edi(x) for x in repslist]
def mapCall():
return list(map(edi, repslist)) # Use list() here in 3.X only!
# return map(abs, repslist)
def genExpr():
return list(edi(x) for x in repslist) # list() required to force results
def genFunc():
def gen():
for x in repslist:
yield edi(x)
return list(gen()) # list() required to force results
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]))
def run():
print(sys.version)
for test in (forLoop, listComp, mapCall, genExpr, genFunc):
(total, result) = timer2.bestoftotal(test, _reps1=5, _reps=1000)
# (bestof,(total, result)) = timer.bestoftotal(5, 1000, test)
print('%-9s:%.5f => [%s...%s]' % (test.__name__, total, result[0], result[-1]))
