use Tie::Array::Packed;

tie my @n, 'Tie::Array::Packed::Number';
push @n, rand for 1..30_000_000;
tied(@n)->sort;
for (0, 25, 50, 75, 100) {
  printf "%03d%%: %6.4f\n", $_, $n[$#n*$_/100];
}

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That runs in one minute in my computer

In reply to Re: Using Statistics::Descriptive for percentiles by salva
in thread Using Statistics::Descriptive for percentiles by Hena

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