get-a-cup-of-coffee slow
Tim Peters
tim.one at home.com
Fri Aug 10 01:56:33 EDT 2001
[Grant Griffin]
> I tried the following today:
>
> def gen_sectors1():
> print 'Generating (Version 1)...',
> s = ''
> for i in xrange(65536):
> s += chr(i & 0xFF)
> for i in xrange(65536):
> s += chr((65535 - i) & 0xFF);
> print 'done'
> return s
You should be much happier with this:
def gen_sectors2():
import array
print 'Generating (Version 2)...',
s = array.array('c')
for i in xrange(65536):
s.append(chr(i & 0xFF))
for i in xrange(65536):
s.append(chr((65535 - i) & 0xFF))
print 'done'
return s.tostring()
character-arrays-can-be-mutated-in-place-ly y'rs - tim
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