Hello, On Thu, 25 Aug 2005, Corinna Vinschen wrote:
> On Aug 25 13:40, Raul Metsma wrote: > > Seems this is something related CPU-s or total Windows thread count > > I tested it on Windwos 2003, where are 2x2,4GHz Intel Xeon > > There occurs this issue on 800 threads > > You're right, when raising the number of threads, I see this test > gradually taking more CPU time the more threads it has, nearly 95% > with 800 threads. > > As long as one starts it from a cmd shell and no Cygwin application is > present, the CPU keeps low under 5%. As soon as a Cygwin process is > present... Here when the app is compiled with -mno-cygwin it takes 100% cpu when it allocates 400+ threads - both from Windows Command Prompt and Cygwin bash. After all the testcase consist almost entirely of Win32 calls. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
