On Jan 26, 2008, at 16:57 , André Wendt wrote:

> Lukas Renggli wrote:
>>> Oe possible optimization is to not use the #, message  because it
>>> create a copy of the String.
>>> So you can try:
>>>
>>> aFile := CrLfFileStream fileNamed: aFilename.
>>> aLargeCollection do: [ :int |
>>>   aFile nextPutAll: int printString; nextPut: Character cr.
>>> ].
>>> aFile close.
>>
>> Or even smarter:
>>
>>     aStream print: int; nextPut: Character cr
>>
>> Lukas
>
> Thanks for your suggestions! I've tried, but it didn't give the  
> boost I
> was hoping for...

Try printing to a memory buffer in chunks of 10000 integers, and  
putting that on the file. Unbuffered I/O is slow.

If that's still not enough (or even before), profile.

- Bert -