[AccessD] Windows 7 64 bit

Exactly, and it's not going to be too long before there are going to be
apps that simply require that much memory.  

Drew

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of jwcolby
Sent: Thursday, January 21, 2010 6:58 AM
To: Access Developers discussion and problem solving
Subject: Re: [AccessD] Windows 7 64 bit

Gustav,

 > As I don't see any true reason to run 64-bit - it just happened to be
installed on the machine, 
and I have yet to see a 64-bit desktop application with a
difference...snip

The biggest "true reason" is memory.  It is trivial and cheap to have 8
gigs of ram on a machine 
now.  X32 can't effectively use this, but X64 can.

Even "4 gigs" of ram in an x32 environment ends up being somewhat less
than 4 gigs.  In some cases 
it can be a LOT less, particularly if you have a video card with a large
on-board ram.

I have seen Vista x32 machines with "4 gigs" which ended up with well
under three gigs.  X64 gives 
you back the memory you paid for.

I admit that most of use don't absolutely have to have even 4 gigs but
the power user may, and the 
video editor or photo editor or that kind of app absolutely should.

Additionally, Vista likes to load as much of itself in RAM as it can.
The more memory you have the 
more of Vista (or Win 7) can load.  Again, you only see the effects when
Vista needs to access those 
parts of itself but it is in fact somewhat faster to not have to wait
for Vista to page in the parts 
it needs.

And finally, in x32 Windows will only ever give 2 gigs of memory to an
application.  That is a hard 
coded max.  It does that in order to reserve 2 gigs for the OS, hardware
mapping and so forth.  All 
of that goes away with X64.

So there are in fact real reasons that X64 is a better OS.  While
Grandma may never notice the 
difference, I almost certainly will.

John W. Colby
www.ColbyConsulting.com

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