c# - DirectoryInfo.EnumerateFiles() Extreme Slow in Debug Mode -

c# - DirectoryInfo.EnumerateFiles() Extreme Slow in Debug Mode -

i've set code in class of project in vs2013 .net framework 4.0

static list<string> f = new directoryinfo(appdomain.currentdomain.basedirectory + "imgdir\\").enumeratefiles("*.*", searchoption.alldirectories).select(x=>x.fullname).tolist();

is very slow in debug mode (100'000 file > 3 minutes). if run without debug fast (<5 seconds).

the debug mode not optimize binary produces , generates additional info aid debugging. release mode enables optimizations , generates less (or no) debug data.

otherwise see nice article stackoverflow :-)

performance differences between debug , release builds

c# performance .net-4.0