So from my understanding Nyuzi is for gpgpu while MIAOU is for actual rendering ? What kind of performance is reasonable to expect from this ? Would it reach something like the mali 400 mp2 ?
2017-02-17 19:03 GMT+02:00 Luke Kenneth Casson Leighton lkcl@lkcl.net:
On Fri, Feb 17, 2017 at 4:52 PM, Bill Kontos vkontogpls@gmail.com wrote:
Is that the master plan you with Allwinner you mentioned somewhere else ?
no it isn't.
I'm very interested with the idea. The mere idea that you managed to get
a
new SoC going on on a reasonable node despite the cost intrigues me a
lot.
i haven't - i'm putting in proposals and finding candidate people to work with.
So what about all the other ip blocks involved in the soc ?
Realistically if
such a small form factor wants to be successful it needs to have 3d.
Nyuzi and MIAOU. GPLGPU is out because... well... its designer unfortunately doesn't understand that you can't modify the GPL by adding a clause "this is GPL except if you want to use it for commercial purposes then, well, sorry, but you can't", that's *not* the GPL, it's a proprietary (closed source) license. whoops.
so, Nyuzi it is, along with MIAOU as a *separate* engine which will do OpenCL and will need to be made use of separately (in software). also great for parallel processing tasks as-is.
there will need to be a *lot* of software development - even for the hardware. the lowrisc designers aren't *actually* developing any peripherals: they're putting in what they call "minion cores" which basically do bit-banging of various GPIO pins under their control, in effect *becoming* peripherals. (if it's dedicated bit-banging, it's not really bit-banging, is it?) the nice thing is: you can literally implement any protocol you care to.
i want to have a word with them to make sure that there's some differential pairs connected to the minion cores, with variable power domains. that would make it *potentially* possible for people to either use them as an open high-speed inter-connect, or to implement various high-speed peripheral buses such as PCIe, LVDS, MIPI, eDP and HDMI - all depending on whether the minion cores can handle it and are set up to do DMA or not: just have to see.
so about the only thing that would need to be licensed (at this stage) would be DDR3 RAM interfaces. everything else is covered from opencores.org, including an LCD/VGA controller, USB2, and many others.
VP8 and VP9 are available from google with no royalties if you are going to production silicon. MP4 can easily be obtained.
l.
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