Re: Transitioning to 64bit, is it worth it, and how
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On 08/04/07 12:53, Andrew J. Barr wrote:
> On 8/4/07, Alan Chandler <alan@chandlerfamily.org.uk> wrote:
>> I have a Core2 Duo on which I am running a 686 kernel (from Debian
>> unstable). It has 1GB of memory
>>
>> I am wondering two things
>>
>> a) What are the pros and cons in switching to 64 bit mode?
>> - Is it faster?
>
> Yes. Unlike true 64-bit architectures like PowerPC, there is a penalty
> for executing 32 bit code on amd64/em64t processors.
Penalty? Absolutely fscking not!!!! The A64 processes 32 bit code
at a similar speed to "regular" Athlon CPUs.
> This is why the
> amd64 port of Debian has an all 64-bit user land, whereas other 64-bit
> ports of Linux and other operating systems generally have mostly a
> 32-bit user land and compile only applications that would benefit for
> 64-bit.
>
- --
Ron Johnson, Jr.
Jefferson LA USA
Give a man a fish, and he eats for a day.
Hit him with a fish, and he goes away for good!
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