> [EMAIL PROTECTED] (Niels Möller) writes: > > > I believe this class of "simple" rpc:s is what matters for > > performance. > > I'm not so sure of that. One critical cases are dir_lookup (which > makes transfers of ports both ways). But it's hard to say for sure > without some instrumentation.
It's clear that the overhead of io_read and io_write is more critical than that of dir_lookup, which always entails some overhead for transferring ports. I think that's the point Niels was making. _______________________________________________ Bug-hurd mailing list [EMAIL PROTECTED] http://mail.gnu.org/mailman/listinfo/bug-hurd