> * The decision we want to taking here is whether we will support only > the simple hierarchy of a single Metlino *directly* connected to a > bunch of terminal child devices devices (Sayma, Kasli) or whether we > allow support for hierarchies deeper than a single level of DRTIO > links to be built without having to rewrite parts of the stack.
If I wanted a simple hierarchy I'd just use point-to-point BNC cables. Support of an arbitrary graph (not just hierarchical) is desired. Routing based on a static lookup table is fine. > * The slower response times would only affect channels that are deeper > in the DRTIO tree than the first level. It doesn't degrade performance > of existing channels. I.e. it affects channels that are on a Sayma > that's attached to a *satellite* Metlino. And the latency is > physically given by that hierarchy already. This latency also needs to > be viewed in comparison to the CPU latency which is µs. The utility of ARTIQ for future quantum information experiments is considerably hampered by reliance on CPUs with ~us latency. _______________________________________________ ARTIQ mailing list https://ssl.serverraum.org/lists/listinfo/artiq
