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Re: calloc() more then 140MB under cygwin b19.1?
- To: dahms at ifk20 dot mach dot uni-karlsruhe dot de
- Subject: Re: calloc() more then 140MB under cygwin b19.1?
- From: Stipe Tolj <tolj at uni-duesseldorf dot de>
- Date: Wed, 09 Sep 1998 00:50:18 +0200
- CC: gnu-win32 at cygnus dot com
- Organization: Department of Economical Computer Science, University of Cologne, Germany
- References: <009CBE5F.6DB96720.15728@ifk20.mach.uni-karlsruhe.de>
> 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 <tolj@uni-duesseldorf.de>
Cygwin32 Porting Project
Department of Economical Computer Science
University of Cologne, Germany
http://www-public.rz.uni-duesseldorf.de/~tolj
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