> $time xterm -e /bin/true
> real 0m0.359s
> user 0m0.032s
> sys 0m0.036s
Wow. I couldn't get it that slow even on a slowest Intel Atom netbook I could find. Was that the worst test of many?
Anyway, your samples confirm that running application remotely is slower than running it locally. That was obvious even without testing. :) If you wanted to say that applications should start faster under Wayland than under Xorg, you should test something like:
$ time xterm
$ time weston-terminal
But even that test does not necessary mean that X is faster than Wayland. It just means, that xterm starts faster. Both times are good enough. And X11 is not a bottleneck for faster program startup time. If you actually need faster startup over network right away you can try winswitch.org/xpra.
PS: When benchmarking some soft do multiple tests and select the best result. Also don't forget to switch cpufreq governor to "performance" otherwise you're benchmarking your governor, not your soft.