This is the mail archive of the cygwin mailing list for the Cygwin project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Cygwin Memory Allocation and heap_chunk_in_mb

On Wed, 30 Jun 2004, Dan Hatton wrote:

> On Wed, 30 Jun 2004, Tim Prince wrote:
> > cygwin doesn't emulate a 64-bit OS.  Did you try setting up XP with /3GB to
> > see whether that would give another 1 GB, or check the archives for any
> > reports on such an attempt?
> I've now added " /3GB" to the end of the last line of my boot.ini, making
> the complete file:
> [boot loader]
> timeout=30
> default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
> [operating systems]
> multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /fastdetect /3GB
> Is that what I was supposed to do?  It's made no difference to the
> results either of max_memory, or of running my calculation.

That's only half of it.  You need to set the
IMAGE_FILE_LARGE_ADDRESS_AWARE flag in the executable's COFF header.


which is not yet in the Cygwin binutils release.

Brian Ford
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
the best safety device in any aircraft is a well-trained pilot...

Unsubscribe info:
Problem reports:

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]