From: tolj@uni-duesseldorf.de (Stipe Tolj) Subject: Re: calloc() more then 140MB under cygwin b19.1? 9 Sep 1998 16:25:16 -0700 Message-ID: <35F5B4AA.357EC49.cygnus.gnu-win32@uni-duesseldorf.de> References: <009CBE5F.6DB96720.15728@ifk20.mach.uni-karlsruhe.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: dahms@ifk20.mach.uni-karlsruhe.de Cc: gnu-win32@cygnus.com > I finally was forced to test cygwin b19.1, because my prog runs for hours > under Interix (formerly OpenNT), whereas it's extremely fast under Linux, > using about 300 out of 512MB RAM. > > Under b19.1, I get NULL from calloc() after only about 140MB. > Isn't HEAP_CHUNK_SIZE eliminated? At least I got no such messages... > > BTW, while I'm typing this, I'm also testing UWIN 1.51 with egcs. > It's not yet finished and took already seven times the CPU of Linux! > Could it be a general NT4.0SP3 alloc/free performance problem? So, if your are working on that big memory allocs I would consider to use Linux anyway. But try at least b19.2 patch from Sergey at http://www.lexu.ru/sos. Regards, Stipe. -- Stipe Tolj Cygwin32 Porting Project Department of Economical Computer Science University of Cologne, Germany http://www-public.rz.uni-duesseldorf.de/~tolj - For help on using this list (especially unsubscribing), send a message to "gnu-win32-request@cygnus.com" with one line of text: "help".