thanks Andrew for the hat-tip (I'd tip mine if I had one)
On 28 December 2016 at 19:33, Andrew M.A. Cater amacater@galactic.demon.co.uk wrote:
On Fri, Dec 23, 2016 at 07:20:05AM +0000, Luke Kenneth Casson Leighton wrote:
crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
On Fri, Dec 23, 2016 at 7:02 AM, John Luke Gibson eaterjolly@gmail.com wrote:
Obviously it's been mentioned before, since it's on the <a href=http://rhombus-tech.net/adapteva/>wiki</a>. There isn't much information on the page however. The core doesn't work standalone, however it is completely open with an HDL and a schematic; it is in the direction that a puristic libre system would be if not "technically" all the way there. The board itself has both(I think?) an arm and a x86 on board, simply because adapteva is too new to have enough libraries ported for a full os (I think?). Now their boards are $99 which is a jump from $40, so my question would be was price differential the reason why it wasn't included or where there too many compatibility/tooling issues?
i believe i spoke to them (it may have been a different company), if i recall correctly (which i probably don't) their core PCB (which they haven't released) is 12-layer, which means "insanely expensive to produce".
mostly it's down to practicality of cost, and time. if people offer to *pay* for these boards to be made, i'll get them done, no problem.
Lovely board, lots of potential - but no community because it's hard to program the fast cores - lots of low level C programming to make best use of it, though someone did do a GNURadio port for Google Summer of Code a while back
I was a Kickstarter backer - but chickened out of the significant porting effort needed. The orignal Kickstarter board came without significant heatsinking so needed extra fan cooling. There was an Ubuntu port for it - and it would probably run Debian with no huge problem - armhf.
It's an ARM, FPGA and then however many Epiphany cores - Anders Olofssen (? spelling ?) built his ideal system for signal processing tasks because he couldn't find the necessary for his Ph.D - the paraphrase on lack of community is from his site.
Ericsson and others have, however, funded additional R&D so they've got to 1024 core boards. Really useful for a compact supercomputer / specialist 5G hardware but fairly tough for pretty much everybody else to get a toehold because the initial learning curve is non-trivial.
Andy C.
l.
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