Lots of ram, windows xp 64 and 32bit emulation - Windows XP
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 Thread : Lots of ram, windows xp 64 and 32bit emulation
 
GenRabbit
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n°862624
06-07-2008 at 07:01:38 PM

Hi!
Do any off you know if windows xp64 loads in the upper parts of memory?
Considering buying 4GB more of memory if windows xp64 places itself above the 4GB mark. Hoping to get more memory freed for 32bit apps, as I guess these will have to stay in the first 0-4GB of memory

Anyone know?

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dengamle
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n°862628
06-08-2008 at 12:04:54 AM

Don't worry about any of that stuff. Applications live in an private virtual address space, and it can be located anywhere in physical memory.

GenRabbit
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n°862737
06-13-2008 at 08:14:38 AM

Wont the use of MMU to correct the addressing above 4GB slow down the app badly?

dengamle
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n°862739
06-13-2008 at 12:38:03 PM

No, that makes no difference.

Zoron
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n°862808
06-16-2008 at 06:52:27 PM

You could have 8GBs installed and it wouldn't make a difference in 32-bit apps. They can use any memory they want... it doesn't have to be below the first 2GB... it can be the last 2GB if that's where Windows decides to put it. If it slowed the app down badly, then there wouldn't be any point in allowing 32-bit programs to run on a 64-bit OS.


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Windows Vista Ultimate 64-bit; Intel Q6600 CPU; E-VGA 780i SLI motherboard; E-VGA E-GeForce 8800GT; OCZ Vista 4GB dual-channel kit; Ultra X2 750W power supply; 2 x Seagate Barracuda 7200.11 500GB in RAID 0.

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