Gonzalo Monzón escribió:
Attached results and code. (tested on PHP 4.3.4)
--------------------------------------------------------------
Testing bidimensional and single dimension array manipulation
Fill style A, bidimensional array: 2,1603
Iteration style A, bidimensional array: 9,9071
Total time style A: 12,0681
Fill style B, single-dimension array: 4,2362
Iteration style B, single-dimension array: 1,5452
Total time style B: 5,7821
Fill style A, bidimensional array: 2,3548
Iteration style A, bidimensional array: 13,1935
Total time style A: 15,5489
Fill style B, single-dimension array: 4,2891
Iteration style B, single-dimension array: 1,5413
Total time style B: 5,8312
Fill style A, bidimensional array: 2,36
Iteration style A, bidimensional array: 17,8439
Total time style A: 20,2046
Fill style B, single-dimension array: 4,2982
Iteration style B, single-dimension array: 1,5554
Total time style B: 5,8544
Fill style A, bidimensional array: 2,3756
Iteration style A, bidimensional array: 17,8817
Total time style A: 20,2579
Fill style B, single-dimension array: 4,3203
Iteration style B, single-dimension array: 1,5332
Total time style B: 5,8543
Fill style A, bidimensional array: 2,3554
Iteration style A, bidimensional array: 19,2986
Total time style A: 21,6547
Fill style B, single-dimension array: 4,3013
Iteration style B, single-dimension array: 1,5508
Total time style B: 5,8528
I wonder how does PHP4 performs in this test, comparing with Python when
using dictionaries.
Python wins! Please, don't flame this as I don't want to mean PHP is
bad, they are different languages for different approaches. But these
are the results for this test. Interesting...
Best case A, bi-dimensional: PHP 12,0681 Python: 1,9930 (n/6,3)
Best case B, single-dimension: PHP 5,7821 Python: 3,6950 (n/1,56)
Python test, results & code (tested on Python 2.4.3):
-------------------------------------------------------------------
Fill style A, bidimensional array: 1.742000
Iteration style A, bidimensional array: 0.251000
Total time style A: 1.993000
Fill style B, single-dimension array: 3.414000
Iteration style B, single-dimension array: 0.271000
Total time style B: 3.695000
Fill style A, bidimensional array: 2.073000
Iteration style A, bidimensional array: 0.240000
Total time style A: 2.313000
Fill style B, single-dimension array: 3.846000
Iteration style B, single-dimension array: 0.310000
Total time style B: 4.166000
Fill style A, bidimensional array: 2.133000
Iteration style A, bidimensional array: 0.251000
Total time style A: 2.384000
Fill style B, single-dimension array: 3.735000
Iteration style B, single-dimension array: 0.350000
Total time style B: 4.085000
Fill style A, bidimensional array: 2.144000
Iteration style A, bidimensional array: 0.240000
Total time style A: 2.384000
Fill style B, single-dimension array: 3.795000
Iteration style B, single-dimension array: 0.381000
Total time style B: 4.176000
-----------------------------------------------------------------
import time
def TimeMS():
return time.time()*1000
def TestA():
global gTestA
gTestA = {}
for a in xrange(0,999):
gTestA[a] = {}
for b in xrange(0,999):
gTestA[a][b] = "%s%s" % (a,b)
def TestB():
global gTestB
gTestB = {}
for a in xrange(0,999):
for b in xrange(0,999):
gTestB["%s%s" % (a,b)] = "%s%s" % (a,b)
def TestA2():
global gTestA
for a in gTestA:
for b in gTestA[a]:
c = gTestA[a][b]
def TestB2():
global gTestB
for a in gTestB:
c = gTestB[a]
# TEST:
for n in xrange(1,5):
gTestA = {}
print "\nFill style A, bidimensional array: ",
startt = TimeMS()
TestA()
print "%f" % ((TimeMS() - startt)/1000)
print "Iteration style A, bidimensional array: ",
startt2 = TimeMS()
TestA2()
print "%f" % ((TimeMS() - startt2)/1000)
print "Total time style A: %f" % ((TimeMS() - startt)/1000)
gTestB = {}
print "\nFill style B, single-dimension array: ",
startt = TimeMS()
TestB()
print "%f" % ((TimeMS() - startt)/1000)
print "Iteration style B, single-dimension array: ",
startt2 = TimeMS()
TestB2()
print "%f" % ((TimeMS() - startt2)/1000)
print "Total time style B: %f" % ((TimeMS() - startt)/1000)
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
