use Time::HiRes qw(time);
my $until = time + 0.00_001;
1 while time < $until;

[download]
perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

In reply to Re: How to sleep 1 microsecond? by tobyink
in thread How to sleep 1 microsecond? by sophate

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