On 06/18/2017 09:39 PM, Luke Kenneth Casson Leighton wrote:
On Mon, Jun 19, 2017 at 2:06 AM, zap calmstorm@posteo.de wrote:
According to the lowrisc website though, you can make a 64 bit processor if you so choose though.
yes. the minioncores would be on the same bus, not requiring any kind of cache coherency with either each other or with the main 64-bit CPU(s), either doing DMA writes (on their own) or responding to bus memory reads/writes in order appear as memory-addressable peripherals.
I am sure you know this, but I just hope you understand that better possibilities exist. ;)
you may be misunderstanding that the purpose of 32-bit minion cores is *in addition* to there being one or more main processor(s) which are SMP or NUMA, which themselves have a bus width (32, 64, 128 bit) that has absolutely nothing whatsoever to do with the minion-cores being 32-bit.
I Wonder when they are going to crowdfund though...
i get the general impression that they're quite happy to focus on development as opposed to raising funds to create an actual processor. each task requires different skills, time and effort. if the team focussed on crowdfunding that would be a serious distraction from their development efforts.
this therefore is an opportunity to create a crowd-funded processor which utilises their expertise. the one main thing which i could really do with is a DDR or other high-speed memory interface that is proven... and compatible with the GPL.
I guess I misunderstood then on both counts. well this is odd. xD
l.
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