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INTEL HT .. smp or no smp ..

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  #1 (permalink)  
Old 02-20-2008, 07:18 AM
matteo
 
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Default INTEL HT .. smp or no smp ..

hi all this is my first post so be clement with me, i got this terrible
question..
it's better to activate the SMP module or not on an Intel Pentium 4 2.8
Ghz HT ?

thanks folks

Matteo

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  #2 (permalink)  
Old 02-20-2008, 07:18 AM
Handover Phist
 
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Default Re: INTEL HT .. smp or no smp ..

matteo blithely blithered
> hi all this is my first post so be clement with me, i got this terrible
> question..
> it's better to activate the SMP module or not on an Intel Pentium 4 2.8
> Ghz HT ?
>
> thanks folks
>
> Matteo
>


How many of em do ya got?

--
My world is cold
and without hope.
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  #3 (permalink)  
Old 02-20-2008, 07:18 AM
Dominik L. Borkowski
 
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Default Re: INTEL HT .. smp or no smp ..

matteo wrote:

> hi all this is my first post so be clement with me, i got this terrible
> question..
> it's better to activate the SMP module or not on an Intel Pentium 4 2.8
> Ghz HT ?


depends on which kernel you run. with 2.4 you may or may not get benefits,
depending on the scenario [although in most of my cases i found that i got
roughly 20-30% performance increase]. with 2.6.x you have smt support in
addition to smp support, which handles HT a bit better than regular smp in
2.4.x
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  #4 (permalink)  
Old 02-20-2008, 07:18 AM
Mr. Boy
 
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Default Re: INTEL HT .. smp or no smp ..

matteo, get yourself a nice smp kernel, also if you can find one with
ACPI well compiled would be better...

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  #5 (permalink)  
Old 02-20-2008, 07:22 AM
matteo
 
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Default Re: INTEL HT .. smp or no smp ..


Mr. Boy wrote:
> matteo, get yourself a nice smp kernel, also if you can find one with
> ACPI well compiled would be better...


tnx for ur suggestion, i usually compile my own kernel, for the
previouse questions i got only 1 cpu.

i'll try out the 2.4 kernel with smp module enabled.

unfortunaly every time i tried to kompile 2.6 (without initrd) all i
can see is a damned panic on mounting reiser partitions .. even i put
the reiser module is added as include, not external module ..

very very sorry for my enGliSh

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