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

2010-09-14 Thread Corinna Vinschen
On Sep 13 13:28, Yoni Londner wrote: > Hi, > > > However, isn't that kind of a chicken/egg situation? If you want to > > reuse the content of the FILE_BOTH{_ID}_DIRECTORY_INFORMATION structure > > from a previous call to readdir, you would have to call the > > I am not talking about reusing info

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

2010-09-14 Thread Corinna Vinschen
On Sep 13 13:45, Yoni Londner wrote: > Hi, > > >> Abstract: I prepared a patch that improves Cygwin Filesystem > >> performance by x4 on Cygwin 1.7.5 (1.7.5 vanilla 530ms --> 1.7.5 > >> patched 120ms). I ported the patch to 1.7.7, did tests, and found > >> out that 1.7.7 had a very serious 9x (!)