Interesting! Does mce_map_s return the elements in the corresponding order? As you can see, it's not needed here, so if there's a faster method that doesn't care about the order, we can also switch to that.

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

In reply to Re^3: Optimizing with Caching vs. Parallelizing (MCE::Map) by choroba
in thread Optimizing with Caching vs. Parallelizing (MCE::Map) by 1nickt

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