HotChips ended this week. As mentioned in the last post on this event:
https://firmwaresecurity.com/2015/08/16/risc-v-raven-processor-talk-at-hotchips/
not only is the Open Source ISA RISC-V there, but so was an Open Hardware GPU, MIAOW (Many-core Integrated Accelerator of Wisconsin):
https://github.com/VerticalResearchGroup/miaow
Rick Merritt of EE Times has written a new articles on both the RISC-V ISA and MIAOW GPU: