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From:	"Charles Sandmann" <cwsdpmi AT earthlink DOT net>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Beta Test: CWSDPMI r7 - 4GB support
Date:	Sun, 10 Jan 2010 22:54:26 -0600
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To:	djgpp AT delorie DOT com
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I would like to announce the beta for CWSDPMI release 7.

The purpose of this release is to allow high performance access to large
amounts of physical memory (up to 4GB).  Memory above 32-bit address space
(common on machines over 3GB physical memory) will be mapped to fill the
address hole to provide a full 4GB memory.  4MB pages will be automatically
used for large memory requests.  Release 7 also includes the bug fixes 
included
in the release 5 2008 refresh, and improved 4MB page support included in the
never completed r6.

Current DJGPP releases support large memory allocation requests and with
CWSDPMI release 7 allow a contiguous memory block over 4091MB.  This
CWSDPMI release is dedicated to those few dozen people who want to prove
their 4GB+ computers can actually run 4GB 32-bit applications.

For those who need more than 4GB, I'll provide some code that allows you
to map 5GB+ memory (up to 64GB) into the address space on request.
The next release will probably be when I get several people bugging me that
64GB isn't enough under DOS :-)

Binary Distribution:  http://clio.rice.edu/djgpp/beta/csdpmi7b.zip
Source Distribution:  http://clio.rice.edu/djgpp/beta/csdpmi7s.zip

Please send me any comments or bug reports.
Have fun, and thanks for testing ! 

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