On Dec 5, 12:54 pm, Istvan Albert <[EMAIL PROTECTED]> wrote:
> Could someone run the code below on both Python 2.5 and 3.0
>
> For me (on Windows) it runs over 7 times slower with Python 3.0
>
> import time
>
> lo, hi, step = 10**5, 10**6, 10**5
>
> # writes increasingly more lines to a file
> for N in range(lo, hi, step):
>     fp = open('foodata.txt', 'wt')
>     start = time.time()
>     for i in range( N ):
>         fp.write( '%s\n' % i)
>     fp.close()
>     stop = time.time()
>     print ( "%s\t%s" % (N, stop-start) )

Ran on Windows XP virtual machine:

3.0 output:

100000  0.889999866486
200000  1.79699993134
300000  2.875
400000  3.73399996758
500000  4.71899986267
600000  5.59400010109
700000  7.04699993134
800000  7.31299996376
900000  8.375


2.5.2 output:

100000  0.156000137329
200000  0.296999931335
300000  0.640000104904
400000  0.640000104904
500000  0.78200006485
600000  0.952999830246
700000  1.13999986649
800000  1.25
900000  1.42199993134

Slowness in this exercise is confirmed on Windows XP.

Mike
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