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Re: Intel Core2Duo (T7400)

On 06/11/2007 Basile STARYNKEVITCH wrote:
> Jonas Meurer wrote:
>> On 06/11/2007 Hartmut Manz wrote:
>>> The correct debian port for INTEL Core2Duo is amd64 or i386.
>>> If your system has not more than 2 GB of memory installed I would recommend
>>> to still use the 32bit Linux (i386), If you have more memory installed use
>>> the 64-bit Linux (amd64) 
>> Do you have any reasons for that suggestion? Which disadvantages does
>> the amd64 port have on system with up to 2GB of RAM?
> a 64 bits system consume more memory than a 32 bits system for each pointer 
> and long (going from 32 bits = 4 bytes to 64 bits = 8 bytes) and also have 
> higher alignment requirements.

Ok, the fact that pointers and long/double variables on 64bit systems do
take twice as much RAM as on ia32 systems sounds reasonable. Thanks for

> Rumors say that most processes consume about 30% more RAM
> Hence the hint (even if the 2Gb RAM threshold is arbitrary)

30% is quite a lot. Can you point me to postings/articles/etc. which
claim to have discovered this?


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