[erlang-questions] writing a delay loop without now()
Sat Feb 21 17:48:23 CET 2009
> Right, this demonstrates the dependency of timer:sleep/1...
> And as we also established, this has nothing to do with Erlang -
Correct. I just provided the numbers for os:sleep(1) and os:sleep(16)
> I.e. on the order of one call every 3.9 microseconds => no now/0 bumping
> occurs (you need to have more than one call per microsecond *on average*
> for that to have an effect on the total).
I get this:
This is using a 64-bit version of Window Vista, "Erlang (BEAM)
emulator version 5.6.5 [smp:4] [async-threads:0]".
I originally noticed this on a MacBook running OS X 10.4 (which is
Tiger, not 10.5 Leopard), but I don't have timings yet. I also tried
disabling SMP on the Vista box, which gives:
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