Bump again... -Joseph On Wed, Feb 16, 2011 at 6:54 PM, Joseph Pusdesris <[email protected]> wrote:
> Bump. > > Also, when using a mesh topology, why are a bunch of DMA_Controllers > needed? > -Joseph > > > On Fri, Feb 11, 2011 at 3:21 PM, Joseph Pusdesris <[email protected]> wrote: > >> Hi everyone, I have a few updated questions to ask. This is particularly >> aimed at Brad, but if anyone else knows, I would love some answers. >> >> >> >> Why are there n+1 switches rather than just one in the crossbar >> definition? >> >> That is to ask, why couldn't this snippet: >> >>> ext_links = [ExtLink(ext_node=n, int_node=i) >>> for (i, n) in enumerate(nodes)] >>> xbar = len(nodes) # node ID for crossbar switch >>> int_links = [IntLink(node_a=i, node_b=xbar) for i in range(len(nodes))] >>> return Crossbar(ext_links=ext_links, int_links=int_links, >>> num_int_nodes=len(nodes)+1) >> >> >> Instead be implemented as so?: >> >>> ext_links = [ExtLink(ext_node=n, int_node=0) >>> for (i, n) in enumerate(nodes)] >>> int_links = [] >>> return Crossbar(ext_links=ext_links, int_links=int_links, >>> num_int_nodes=1) >> >> >> >> What is the status of garnet? I haven't seen much discussion of it on >> either mailing list. >> >> Is a Bus interconnect possible using either of the ruby network models? >> From what I can tell it's not. The gems-users mailing list seemed to >> agree. >> >> -Joseph >> >> >
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