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To: Tenchusatsu who wrote (60476)10/26/2001 2:01:58 PM
From: dale_laroyRead Replies (1) | Respond to of 275872
 
>The advantage of 64-bit addressing is the flat memory model. Even if an OS is able to address terabytes of memory, a database application will still be hobbled by the 32-bit limit. The application itself must be able to address 64 bits before it becomes an advantage.<

This was not found to be the case with System370 and MVS. True, most of the advantage is gained when the applications are actually ported to the larger address space, but significant benefits are realized even with the use of the smaller individual application address space.