On Sun, Oct 18, 2009 at 6:06 AM, Roman Shaposhnik <shaposh...@gmail.com> wrote >> It is. But what's your proposal on code sharing? All those PC >> registers belonging to >> different cores have to point somewhere. Is that somewhere is not shared me= >> mory >> the code has to be put there for every single core, right? > > At the hardware level we do have message passing between a > processor and the memory controller -- this is exactly the > same as talking to a shared server and has the same issues of > scaling etc. If you have very few clients, a single shared > server is indeed a cost effective solution.
I guess I'm not following. My question to OP was strictly about code sharing. Basically were do the cores get instructions from if not from shared memory. Thanks, Roman.
