On 12/16/2011 11:51 AM, Soham Chakraborty wrote:
Big virtual process address space is the immediate benefit that comes to my mind. In 32 bit systems, 4G is the limitation of process address space. For a new system. go 64 bit.
If you don't expect any process to need more than 4G, or you're expecting to be limited in the total amount of RAM, a PAE kernel may be sufficient. If RAM costs/space isn't an issue, you might as well go 64 bit and be done with it.
Right now, my eight-year-old mobo's maxed out at 1G, although the CPU could handle 2. I'm finally in a position to consider a hardware upgrade and expect to be migrating to 64 bit RSN.
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