[gmx-users] 32 bit dual core or 64 bit single core?

[Beniamino Sciacca]

thanks for your answer... but in my post i made a mistake: "...or is 
better an AMD turion 64 (that is single core but work on 64 bit, and 
gromacs could works on "64" bit)?". so... is gromacs 64 bit on a  64 bit 
processor faster than gromacs 32 bit on 32 bit processor dual core (like 
centrino duo)?
thanks

Beniamino


Yang Ye wrote:

> First, running gromacs on laptop is a fast way to kill it. To keep a 
> laptop CPU running at 100% all time is a challenge even to a  
> energy-sensitive smart centrino or turion. They simply have no way to 
> escape. =)
> Second, because Gromacs' advantage is its assembly loops using 
> SSE/SSE2, which is not part of x86 instruction. Besides, AMD's 64bit 
> is fully compatible 32bit software.
>
> Dual core shall be better but you need benchmark for it.
>
> Yang Ye
>
> Beniamino Sciacca wrote:
>
>> Hi community!
>> I'm new on this mailing list, so excuse me if i make some mistakes.
>> I've to work with Gormacs for the analysis of the interaction of some 
>> molecules of DNA.
>> For this purpouse I must buy a notebook; obviously i need a very 
>> performant computer...I've not much time!
>> My question is:
>> is better an intel centrino duo (dual core, but unfortunately works 
>> only on 32 bit) or is better an AMD turion 64 (that is single core 
>> but work on 64 bit, and gromacs could works on 32 bit)?
>> which is more performant with the use of gromacs?
>> are there some differences?
>>
>> thanks very much
>> Beniamino (superbenji83 at yahoo.it)
>>
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>
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