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Old 07-23-2009, 06:03 PM   #16
Xenakios
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Join Date: Feb 2007
Location: Oulu, Finland
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Quote:
Originally Posted by megablahblah View Post
So if I instll 64 bit Vista I can install 32 bit Reaper and use all my 32 bit plug-ins ... and take advantage of the extra RAM, or no?

I'm not clear if the extra RAM is dependent on the OS or the application too.
It's slightly complicated all in all, but under no circumstances a 32 bit app can use more than 4GB of memory.(*) If a 32 bit app can use even that depends on some factors, such as the application itself supporting it. Many legacy apps are limited to 2GB of RAM. And that goes for plugins too. So even if your main app, say Reaper, would support up to 4GB of RAM in 32 bit, there might be plugins that would get confused (ie, probably just crash) when they find themselves in a 32 bit process with 4GB of available RAM.

(*) Technically that might not be entirely true, but it's of no concern in this case. Audio apps would not want to use the OS supported mechanisms to access memory over the 32 bit limit, as it's slow and complicated.
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