GMP used during 3 and a half years to solve MIT's LCS35

[Hans Åberg]

> On 3 May 2019, at 11:27, Torbjörn Granlund <tg at gmplib.org> wrote:
> 
>  Increasing the clock frequency increases the power consumption faster
>  than linear, though not fully as much as the square I am told.
> 
> While this is not the electronics-dicsuss mailing list, I cannot let
> this misunderstanding stand.  :-)
> 
> The power consumption of a circuit (let's approximate it with a
> capacitor!) is linear in the frequency.
> 
> The power consumption of a capacitor varies quadratically with the
> voltage.
> 
> (But for circuits, one may need to increase voltage to allow enough
> charge to flow as one increases the frequency.)

That is for passive circuits, for CPUs, the transition power increases more rapidly, perhaps because the voltage must be increased. There is a thread discussing this in detail:

https://web.archive.org/web/20150101190048/https://forums.anandtech.com/showthread.php?t=2195927