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Message-ID:	<51879E0D.7060808@xs4all.nl>
Date:	Mon, 06 May 2013 14:11:57 +0200
From:	Erwin Waterlander <waterlan AT xs4all DOT nl>
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To:	cygwin AT cygwin DOT com
Subject:	Re: How to let the Cygwin to use all memory in my computer?
References:	<5182063A DOT 3070001 AT gmail DOT com> <CAEhDDbBV+LhN47T6i_p2TmjP8f62xz__1jD+JpXCEvg8TcnnNQ AT mail DOT gmail DOT com>
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Csaba Raduly schreef, Op 2-5-2013 9:37:
> Hi Fengchao,
>
> On Thu, May 2, 2013 at 8:22 AM, Fengchao <fcyucn AT gmail DOT com> wrote:
>> Hi,
>>
>> I noticed that Cygwin can't use all memory in my computer that has 32G
>> available. It can only use little memory and throw a memory leak error. I
>> wonder if there is a way to let the Cygwin access all my computer's memory?
>>
>> By the way, my OS: windows 7 64 bit.
> Even if your OS is 64 bit, Cygwin itself is currently 32-bit and so
> all Cygwin programs are limited to 4GB of address space, half of which
> is normally used by the system so only 2GB is available to the program
> itself (may be increased to 3GB).
>
> 64-bit Cygwin is under development:
> http://cygwin.1069669.n5.nabble.com/HEADSUP-64-bit-Cygwin-is-coming-soon-td96743.html
>
> Csaba

And if your OS is Windows 7 Home Premium 64 bit, there is another limit.
Home Premium is limited to access only 16 GB, even if you have more RAM 
in your PC.
To access more memory you need a professional Windows version.

regards,

-- 
Erwin Waterlander
http://waterlan.home.xs4all.nl/


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