[erlang-questions] Re: Fastest pseudo-random number-generator: erlang:statistics(io) ?

[Gleb Peregud]

> Someone else told me
> that erlang:now() blocks the scheduler shortly, so that is something I
> definitely want to avoid.

Yes, since erlang:now() is guaranteed to return ascending numbers on
each call regardless of number of cores VM is running one. It has to
do some synchronization to meet this requirement.