There have been other ideas in similar directions over the years. E.g. https://www.researchgate.net/publication/342759611_SCE-Comm_A_Real-Time_Inter-Core_Communication_Framework_for_Strictly_Partitioned_Multi-core_Processors about the concepts of ACs and CCs (communication cores).
On Sun, 5 Jan 2025, 01:49 Charles Forsyth, <charles.fors...@gmail.com> wrote: > i think brazil experimented with networking outside the kernel but it was > pushed back in > > On Sun, 5 Jan 2025 at 00:24, Thaddeus Woskowiak <tswoskow...@gmail.com> > wrote: > >> On Sat, Jan 4, 2025 at 1:03 PM Bakul Shah via 9fans <9fans@9fans.net> >> wrote: >> > >> > On Jan 4, 2025, at 9:35 AM, Stuart Morrow <morrow.stu...@gmail.com> >> wrote: >> > >> This has been a very interesting discussion, thanks all. My offer >> > >> remains: if anyone wants to revive NIX, I am happy to help. >> > > >> > > Am I the only one who sees that the Fastcall stuff would be good for >> > > bringing some devices out of the kernel (that are devs only for >> > > performance reasons)? >> > > >> > > And then, closer to what Fastcall was actually for (fossil and >> > > venti>disk), you also have ??fs>nusb/disk>disk, which could always do >> > > with a speedup. >> > >> > I've been meaning to ask... What is the typical *overhead* of a 9p >> > call to a user level driver compared to a kernel based driver? >> >> From what I know the only performance issue for 'user-space <-> >> kernel-space' 9P are context switches. IP is in-kernel to eliminate >> context switches for ether(3) <-> ip(3). > *9fans <https://9fans.topicbox.com/latest>* / 9fans / see discussions > <https://9fans.topicbox.com/groups/9fans> + participants > <https://9fans.topicbox.com/groups/9fans/members> + delivery options > <https://9fans.topicbox.com/groups/9fans/subscription> Permalink > <https://9fans.topicbox.com/groups/9fans/T7692a612f26c8ec5-Med712cc7fb24ad3c50592404> > ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T7692a612f26c8ec5-M339ed96afe5ddbf5b510c03b Delivery options: https://9fans.topicbox.com/groups/9fans/subscription
