[BALU] 64 bit systems
panzermkz at hotmail.com
Fri Jun 8 11:43:39 CDT 2007
yea. I don't see you yet needing what a 256terabyte database. and right
now current max memory on the average board you can buy is 32gig. average
being dual socket intel boards for workstation/server use.
10 second quickie not long enough for you? Try it for 24 hours. 24 Heures
>From: Jim Vines <jgoodguy at charter.net>
>Reply-To: members at lists.bham-lug.org
>To: members at lists.bham-lug.org
>Subject: Re: [BALU] 64 bit systems
>Date: Fri, 08 Jun 2007 11:30:38 -0500
>two hundred fifty six thousand gigabytes for the 48 bit.
>I think, sixteen gigas of gigabytes for the 64 bit.
>A gig is 10 to the 9th and 64 bit address space can handle 10 to the 18th.
>Mr. Panzer wrote:
>>ok so how much ram we talking about?
>>10 second quickie not long enough for you? Try it for 24 hours. 24 Heures
>>>From: Thomas Stover <thomas at wsinnovations.com>
>>>Reply-To: members at lists.bham-lug.org
>>>To: members at lists.bham-lug.org
>>>Subject: Re: [BALU] 64 bit systems
>>>Date: Fri, 08 Jun 2007 10:49:46 -0500
>>>The physical address space is 48 bits, so that limits the amount of real
>>>ram in the system. However from a process's point of view the "virtual"
>>>address space is 64 bits, and that could still be utilized with file
>>>mapping and /or NUMA machines.
>>>>Is not the address space only 48 bits, 256 terabytes
>>>><http://en.wikipedia.org/wiki/Tebibyte>. (I am looking foward to
>>>>buying 1 terabyte[1000 gigabytes] surplus memory). and the actual Ram
>>>>only 40 bit addressing or just 1 terabyte of RA.
>>>>But the registers and data width are 64 bits are they not.
>>>>I think the 40 and 48 restrictions are only for memory ops.
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