Le 29/04/2011 02:56, Nigel Cunningham a écrit :
Hi.
On 29/04/11 04:35, Martin Peres wrote:
Le 28/04/2011 20:29, Maxim Levitsky a écrit :
On Thu, 2011-04-28 at 20:24 +0200, Martin Peres wrote:
Le 28/04/2011 18:58, Maxim Levitsky a écrit :
Interesting fact is that GPU temperatures rise to very high levels
(~75C) even while doing CPU only work (like compiling kernel for
example).
Let me guess, you're on a laptop? The temperature of the case goes up
when the processor is working and so, it cools the GPU less ;)
Yes, but that doesn't happen while using nvidia to this extent.
I think that GPU has many units running in endless loop doing nothing
but consuming power (~5W) difference!
I really need to have a look at this. I have a power meter now (acpi
reports me funky power consumption figures because my battery is dead).
Just been reading through your posts from last night, and wanted to let
you know I'm interested and willing to test patches too.
I have an 8600GTS based laptop, and have seen the same range of power
usage (ie have seen 14W in the page - presumably when I was using the
blob -, but can only get it down to 23W at the moment using Nouveau).
Regards,
Nigel
9W! Well, you can try downclocking the card, but this won't get you down
to 14W. When fan management is done, I'll have a look at what the blob
does and try to find some magic there.
Martin
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