This is the mail archive of the
cygwin-apps@cygwin.com
mailing list for the Cygwin project.
RE: ITP: netpbm
- From: "Gareth Pearce" <tilps at hotmail dot com>
- To: Cygwin-Apps at Cygwin dot Com
- Date: Sat, 27 Apr 2002 05:10:42 +0000
- Subject: RE: ITP: netpbm
- Bcc:
>
>
>
> > -----Original Message-----
> > From: Earnie Boyd [mailto:earnie_boyd@yahoo.com]
> > Sent: Saturday, April 27, 2002 6:03 AM
>
> > As for the # of executables in the /bin directory, isn't
> > there a limit to the number of files and/or directory entries
> > in any one directory on win32?
>
>As has already been said, not past the root. However directory search
>time is O(N) on FAT, vs (IIRC) O(logN) on NTFS. So directories with many
>files leads to signficcantly longer lookup times - and thas when the
>filename is known!.
My experience - on ntfs ... i have a directory of approx 10thousand 5 minute
log files of me playing telnet based muds ... *snicker*
i can grep them all (each about 10-20k) in a few minutes ... (9 grep
commands because command line expansion limitations :P) - really preformance
drop is not that noticible. Except in one area.
cd'ing to the directory in the first place - can take a minute or more,
subsequent cd's are fast, but it seems like its caching all the filenames in
the directory for faster access.
Anyway ... theres a 'pseudo-data-point'
Regards,
Gareth
_________________________________________________________________
Chat with friends online, try MSN Messenger: http://messenger.msn.com