Cygwin Filesystem Performance degradation 1.7.5 vs 1.7.7, and methods for improving performance

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Fri Sep 10 17:23:00 GMT 2010


On Fri, Sep 10, 2010 at 05:08:40PM +0200, Corinna Vinschen wrote:
>What I'm still mulling over is a good idea to re-use the results of a
>former call to readdir in a stat call.  One problem here is to make sure
>that a subsequent stat call is *really* accessing the same file as the
>former readdir returned.

I've considered that before but you really can't cheaply determine that
the file hasn't changed without going to the OS.  And, then it isn't cheap.

cgf



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