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Date: Sun, 7 Jul 2013 13:30:54 -0700
From: Isaac <>
Subject: Re: Proposed roadmap to 1.0

On Thu, Jul 04, 2013 at 01:10:10PM -0500, Rob Landley wrote:
> On 06/30/2013 01:42:48 AM, Isaac wrote:
> >On Sun, Jun 30, 2013 at 01:34:09AM -0400, Rich Felker wrote:
> >> > m32r is live, but I'm not aware of much interest.
> >> > tilera and epiphany (the Parallela coprocessor) sound interesting,
> >> > but are likely to be limited in availability.
> >>
> >> Not familiar with them, but my guess would be they're
> >interesting. In
> >
> >Tilera Tile:
> >
> >In brief, it's a 64-bit processor that comes with up to 100 cores
> >per cpu
> >(last I checked), topping out around 1.6 GHz. Linux is the only OS.
> >
> >Epiphany:
> >
> >Used in this project:
> >
> >In short, a multicore 32-bit risc cpu currently only used as a
> >coprocessor.
> >Not really a candidate for a port, but if it ever does get a full
> >Linux,
> >it might be interesting.
> I'm still trying to fluff out
> and even if I don't
> describe half the Linux architectures I interrogated git to get a
> list of when each one was added. Might be useful.
> >> embedded, everything has niche uses. On the high-end server side, on
> >> the other hand, anything but x86_64 (for straight power) or ARM (for
> >> cutting the primary cost of a data center: electricity) is
> >madness. In
> >> other words, I think there's a lot more value in supporting
> >diversity
> >> on the embedded side than on the enterprise side.
> >
> >Power has a bit of the enterprise, too; it's got lower power usage (vs
> >x86, no comparisons with ARM I'm aware of), and currently holds the
> >highest clock speed of any stock cpu.
> Half the game consoles out there are Power. (Dunno about the current
> generation.) Back when Praystation 3 supported Linux built-in, it
> was the cheapest way to get a 64 bit PPC system with the Cell
> processor stuff. (Which alas never took off because it was way too

Last generation was entirely Power (XBox and PS3 were Cell, Nintendo was PPC,
I forget who else was relevant), but next generation XBox and PS4 are AMD 
(64bit x86).

Isaac Dunham

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