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

Gleb Peregud <>
Tue Nov 24 16:39:36 CET 2009


> 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.


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