http://qs321.pair.com?node_id=11115128


in reply to Optimizing with Caching vs. Parallelizing (MCE::Map)

> Obviously calculating the sequences for numbers up to 1,000,000 without some optimization would be painfully or maybe unworkably slow

Interestingly, the difference is about 15%, see my blogpost about the same task.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]