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michaelmastro
 
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2009-06-01 03:08:00

My iMac reports that all Boinc projects utilize up to 98% of each of the two processors. My Vista laptop reports never more than 50%. Is this the basic difference between mac and pc processors, or...?
noderaser
 
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2009-06-01 05:33:26

It sounds like you have different preferences set on each machine, or the preferences are interpreted differently... What kind of processor does either machine have?

IMHO, 50% on your laptop is probably right where you want it because of heat dissipation issues. I run 100% only on my desktops, and 50% on my laptop--killed one a few years ago when running at 100%. Melted some of the plastic, and killed some of the components near the CPU. It was a mess, and since then I don't trust all that heat in such a small space.
Gundolf Jahn
 
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2009-06-01 09:24:34

michaelmastro wrote:
My iMac reports that all Boinc projects utilize up to 98% of each of the two processors. My Vista laptop reports never more than 50%. Is this the basic difference between mac and pc processors, or...?

I don't have an iMac and no multi-core machine either, but I think it's only the point of view:
the iMac reports percentage per core, Windows per system. I.e. each core contributes 50% of the system power, which results in 100% :-)

Gruß,
Gundolf
Computer sind nicht alles im Leben. (Kleiner Scherz)
Rytis
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2009-06-02 14:09:48

If your host has two cores, and you look in the processes list in Windows task manager, 50% means that it is using a full core. Mac probably identifies usage as 100% == 1 full core.
michaelmastro
 
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2009-06-02 14:21:14

Rytis wrote:
If your host has two cores, and you look in the processes list in Windows task manager, 50% means that it is using a full core. Mac probably identifies usage as 100% == 1 full core.


Now that makes sense. Thanks to all for the input...
Guest

2009-06-02 15:46:10

Rytis wrote:
If your host has two cores, and you look in the processes list in Windows task manager, 50% means that it is using a full core. Mac probably identifies usage as 100% == 1 full core.


and on a slightly used V8-server you will see up to 192 hours on the idle-process each day.

windoze task-manager is core-orientated, not machine....
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