> But with 32 bit addresses, a single process cannot use more than 4GB RAM.
I expect that BIOS and/or OS often don't even allow that (e.g., user-space
VM addresses are limited to 31 bits in Win32). I started working on 64-bit
machines in the late 70's, so it's hard to believe that people still think
that's a big deal. It's normal to me <wink -- although Crays at the time
had 24-bit address registers!>.
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