"The memory management is not done by Poser, Vue, Maya, Photoshop and whatever application.  Memory management is done by the Operational System (Windows, Linux, OSX, etc)
Nobody writes a memory management for a program..."

Photoshop > Edit > Preferances > Plugins & Scratch DIsks allows you set set up to 4 disks for Photoshop to use for Virtual Memory.  It's been this way for years.  I'll be surprissed to not find it in other applications soon!