Re^2: Perl threads loss of performance with system call

I was yesterday on the #perl-help channel on irc.perl.org and 2-3 people tried and observed the same behaviour. When you run the first one (sleep 1), all the threads are spawned nearly instantaneously, while with the second (sleep 0.0001), you see considerable delay in the spawning.

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Re^3: Perl threads loss of performance with system call by bliako (Abbot) on Jul 12, 2021 at 12:41 UTC
and what OS did they run the code in?	[reply]