Re: Green Compiler ?

Peter Dassow <z80eu@arcor.de>
Sat, 29 Dec 2012 09:35:10 +0100

          From comp.compilers

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From: Peter Dassow <z80eu@arcor.de>
Newsgroups: comp.compilers
Date: Sat, 29 Dec 2012 09:35:10 +0100
Organization: Arcor
References: 12-12-010 12-12-012 12-12-022 12-12-028
Keywords: performance, architecture

On 28.12.2012 08:35, Hans-Peter Diettrich wrote:
>
> Please note that most CMOS processor power consumption results from
> switching (stray) capacities, and only a small percentage for leak
> currents. E.g. a register or gate consumes such power whenever a bit is
> changed, and almost nothing when it has reached an stable state.
>
So using extensively registers instead of "conventional" memory (e.g.
DDR-RAM, memory outside a CPU) will save energy (if equal functionality
is given) ?


Regards
    Peter



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